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Rinse-cleaning laundry washing machine method

1. oxide C12 14 alkyl 1 0 hydroxyethyl dimethyl ammonium chloride Total linear surfactants 8 2 8 1 2 8 12 16 1 0 C12 15 alkyl 3 ethoxylate 0 3 C13 15 alkyl 8 ethoxylate 4 0 6 1 9 6 2 9 Total branched 4 0 6 1 9 9 2 9 0 surfactants Total soluble surfactants 12 2 14 2 12 7 14 9 16 1 0 C12 18 Fatty acid 2 6 2 6 1 9 0 5 Triethanolamine bis 1 9 C16 18 alkyl diester N N dimethyl methylsulfate Bis C16 18 alkyl 12 oxyethyl N N dimethyl ammonium chloride Citric acid 2 6 2 6 3 0 0 05 0 1 Enzymes 0 5 0 8 Buffers To pH To pH To pH TopH TopH To pH 8 0 8 0 8 0 8 0 5 5 3 0 Minors solvents To 100 stabilizers water US 2008 0178396 A1 Jul 31 2008 TABLE 1 continued Compositions 1A 1B and 1C are all examples of liquid detergent formulations useful in the methods of the present invention and deliver both good cleaning and acceptable low suds levels at the end of the wash Compositions 1D 1E and 1F are comparative examples of liquid detergent formulations which are unsuitable for use in the methods of the present invention as they do not deliver both good cleaning and low suds level at the end of the wash 1A 1B IG 1D 1E 1F Ingredients by weight Recommended DOSAGE 50 g 50g 50g 50 g 50g 50g g Wash volume liters 12 Grams liter soluble 0 51 0 59 0 53 0 62 0 67 0 surfactants TLS Grams liter total 0 34 0 3
2. 0027 The present invention further relates to such meth ods wherein the detergent composition is added into the drum of the domestic front loading laundry washing machine by 0028 a placing the detergent composition directly into the drum 0029 b bypassing a sensor of the laundry washing machine 0030 c first placing the detergent composition into a dis pensing device and then placing the dispensing device into the drum or 0031 d a combination thereof 0032 The present invention further relates to such meth ods wherein the detergent is added into the drum of the domestic front loading washing machine without use of a dispensing drawer incorporated into said washing machine 0033 The present invention further relates to such meth ods wherein the detergent is added into the laundry washing machine in a dispensing device 0034 The present invention further relates to such meth ods wherein the dispensing device is selected from dosing cups dosing balls scoops and combinations thereof 0035 The present invention further relates to such meth ods wherein the textiles are substantially comprised of cloth ing 0036 The present invention further relates to such meth ods wherein the clothing comprises body fitting garments 0037 The present invention further relates to a packaged product containing therein a laundry detergent composition wherein the packaged product includes instructions for use said instructi
3. Recommended DOSAGE g 30g 40g 50g 50g 50g Recommended wash water 12 liters liters US 2008 0178396 A1 10 TABLE 2 continued Examples of liquid detergent compositions useful in the methods of the present invention 2A 2B 26 2D 2E Ingredients by weight Grams liter soluble surfactants 1 05 0 36 0 72 0 51 0 21 TLS Grams liter total linear 1 05 0 36 0 62 0 34 0 21 Surfactants FA Grams liter fatty acids 0 40 0 22 0 11 0 11 0 11 TLS 2 5 FA 0 05 0 19 0 34 0 06 0 06 Grams liter silicone compound 0 02 Grams liter of polymers 0 12 0 03 0 12 0 12 0 21 chelants Grams liter enzymes raw 0 007 materials TABLE 3 Examples of liquid and gel detergent compositions useful in the methods of the present invention 3A 3B 3C 3D 3E 3F Ingredient by weight Alkylbenzene sulfonic acid 1 5 1 5 1 5 7 5 3 5 Sodium C12 14 alkyl ethoxy 6 8 8 8 12 5 6 8 2 3 sulfate C12 alkyl dimethyl amine 1 0 oxide C12 14 alkyl dimethyl 3 0 ammonium chloride s E Total linear surfactants 8 3 10 3 16 5 8 3 9 8 3 5 C13 15 alkyl 8 ethoxylate 40 40 40 1 5 2 5 Total soluble surfactants 12 3 14 3 14 7 12 3 11 3 6 0 C12 18 Fatty acid 235 2 5 25 2 5 Citric acid 2 5 25 3 0 2 5 2 5 7 0 Protease enzyme 0 05 Ethoxylated 0 7 1 0 0 7 Polyethyleneimine Ethoxylated 2 5 2 0 1 7 0 7 0 7 3 5 Polyethyleneimine quaternized sulphated Hydroxyethane diphosphonic 0 3 0 5 0 7 0
4. wherein the actuation of such rinse and spin program is not immediately preceded by a wash of said textiles and C removing the textiles from the washing machine US 2008 0178396 A1 2008 Sheet 1 of 7 Jul 31 Patent Application Publication I sty 5 fone RPG Jh9 4y I i D H_jo vawaez J9 00 Op jo d 40 Dopo ID AA j d Of pore D ABE Do Se opua 09 pu L do sieod bu 6 4119409479291 On SONI oor C o uoy uasabn Haya oF u A uS Hoo Rang Or 29496N 44u29 H O06 rise 09 uedwodM O02 C Do spwu00A uajgods 5 SZ I U9SSDAJ00A AU L SOM 3 U0q opu SDM9jIDU QUJOO T O UayaMuU SDM 9JJ M D odav 1S o 8Znoy CD one C O A In 0 UDy US 2008 0178396 A1 2008 Sheet 2 of 7 Jul 31 Patent Application Publication e 91 UOJ 2d j9ju X092O wnuJuju pos S24 2119P C O HL 30 sazznq uJDJp Y29420 juabsajap ss92x8 O Qr Ons Ob payooJo of 0 YSU J 99D3 09 JUD 3ND ujds IOU HH og EC oe sasuyd H 2t USDA UIDU H 00t en upip 002 S6 O asus ajosodas 1100F USDA 9 0 DOS syo 1109 _ 4S14141__ uojjooAjod L10091 USDA Ox ui SU9JJO0M UIdS IDU J inr mag 09 Qb VEA HERY 95uJJ osnid J JDA o HUS O U SDA 8Jd o pos C Do uos Cp C 40 0 UO US 2008 0178396 A1 2008 Sheet3 of 7 bd Jul 31 Patent Application Publication g sly HSVM3Uyd 31V2l1
5. a range of brand names including Candy Smeg Baumatic and others 0069 As used herein laundering textiles generally refers to a process of laundering domestic textiles which have been worn or otherwise used Laundering removes odors and at least some soil perspiration and the like At the same time depending on consumer desires laundering can be performed with detergents according to the invention which are particu larly adapted to these desires for example laundering can be performed with a free formulation which is free from per fumes a non bio formulation which is free from enzymes a color care formulation which includes for example dye transfer inhibitors or dye fixatives and the like Laundering textiles for the present purposes is not intended to include heated laundering in long wash programs such as the 60 degree cotton program as described in IEC 60456 Ed 4 0 0070 In laundering textiles methods as defined herein the user may choose to pretreat localized stains such as blood grass tomato sauce and the like using a commercially avail able stain pen wipe applicator or other pretreater Accord ingly products for use with the present methods can be kits which include a combination of a pretreater and a rinse cleaning detergent as defined and illustrated herein Surpris ingly it is possible to use such a kit to completely eliminate use of a mainwash detergent Alternately consumers may us
6. and others are especially useful Levels of enzyme in formulations are specified as levels of commercial detergent enzyme in percentages by weight unless otherwise specifically indicated Dosages can vary in accordance with known norms The present compositions also include enzyme free variations 0091 Other detergent compositions useful in the methods of the present invention also include ingredients having anti bacterial antifungal antiviral or other anti pathogenic effects Suitable examples of such active agents include per oxyacids such as peracetic acid or equilibrium peracid mix tures 4 chloro 3 5 dimethylphenol e g as defined by CAS 88 04 0 tosylchloramide sodium chlorhexidine cetrim ide o phenylphenol triclosan octyl decyl dimethylammo nium chloride dimethyl benzylammonium chloride or other antibacterially active quaternary ammonium salts sources of water soluble silver ions antipathogen active essential oils or components thereof and mixtures thereof It should be understood and appreciated that when laundering lightly soiled clothing using the method of the present invention the combination of soluble surfactant with antipathogen active agents is especially useful Measuring Device 0092 When placing the detergent composition in the drum ofthe washing machine the detergent composition can be poured or otherwise measured out of a dosing cap dosing ball dosing cup or the like onto the textiles or the me
7. carbon atoms in length Such lightly branched types include the mid chain branched types described in commonly assigned patents of Daniel S Connor Other soluble surfactants useful herein include the linear and singly methyl branched alkylbenzene sulfonates in the sodium potassium or alkanolammonium form Multiple branched alkylbenzenesulfonates such as ABS are less preferred owing to known problems with regard to biodegradation Other soluble surfactants useful herein may include nonionic surfactants such as C10 C18 alcohol poly ethoxylates and their propoxy butoxy or analog types comprising more than one source of alkoxylation as it is known that such nonionic surfactants exhibit cloud point behavior but are soluble below the cloud point In general the soluble surfactant does not include dual long chain cationic surfactants comprising more than about 20 carbon atoms such surfactants are substantially water insoluble at all wash temperatures used herein and are commonly used as fabric softeners 0078 Suitable low foaming detergent compositions use ful herein include those that incorporate ingredients such as silicones silicone silica suds suppressors fatty acids low foaming nonionic surfactants e g those derived from branched feedstocks or combinations thereof for limiting foam 0079 In one embodiment the detergent compositions used in the methods herein deliver good cleaning and a low suds level at the end of the m
8. drum of the Miele W986 0123 2 Textiles are added to the drum including 0124 a 1 men s blue colored size Medium city shirt in 10096 cotton 0125 b 1 women s dark colored size Medium T shirt in 10096 linen 0126 c 1 women s black size Medium skirt in a blend of 70 polyester 5 cotton 5 elasthane 0127 d 1 men s dark colored size Medium sport T shirt in a 10096 polyester breathable microfiber 0128 3 The door of the washing machine is then closed 0129 4 The washing machine is then manually actu ated by a human turning the right hand dial to the setting Rinse 0130 5 The Miele W986 then functions to operate the Rinse program 0131 6 Upon completion of the Rinse program the door of the washing machine is opened the textiles are removed and are allowed to dry 0132 Upon drying the textiles are found to have good odor EXAMPLE II Method According to the Invention 0133 Theprocedures of Example I are repeated except for using approximately 40 g of a detergent formulation found as Formula 2B in Table 2 below EXAMPLE III Method According to the Invention 0134 The procedures of Example I are repeated except for using approximately 50 g of Formula 2D from Table 2 EXAMPLE IV Method According to the Invention 0135 The procedures of Example I are repeated except for using approximately 30 g of Formula 2A from Table 2 EXAMPLE V Method According to the Invention 0136 The pro
9. even when such cycles are not identified and or designed for laun dering soiled clothes but rather have been provided by appli ance manufacturers for other purposes for example rinsing and spinning clothes which have already been washed by hand without use of the machine 0014 Accordingly in one aspect the present invention relates to a method of laundering textiles comprising the sequential steps of 0015 A adding into a domestic front loading laundry washing machine wherein said washing machine has at least one rinse and spin program at least 0016 i one or more textiles and 0017 ii a detergent composition 0018 B actuating the washing machine to perform at least one rinse and spin program wherein the actuation of such rinse and spin program is not preceded by a manual or machine wash of said textiles and 0019 C removing the textiles from the washing machine 0020 The present invention further relates to such meth ods wherein the actuating the washing machine to perform the rinse and spin program comprises a human intervention of pressing a button rotating a rotary dial to a preset position selecting on a touch screen or combinations thereof or oth erwise by one or more tactile or remote control communica tion steps interacting with the washing machine or a control panel thereof to initiate the program 0021 The present invention further relates to such meth ods wherein the rinse and spin progra
10. such as by having two rinses the detergent compo sition being added to the first rinse and acting as a washing portion of the program while the second rinse functions as a more typical rinse removal part of the overall program 0096 Although many front loading laundry washing machines have a dispensing drawer or cup integrated into the machine this can be used but may not be preferred for use in the method according to the present invention as in many cases these dispensers do not release the composition into the drum effectively without utilizing a sensor bypass Many front loading machines have two dispensing drawers one for laundry detergent and a second for fabric enhancing compo sitions Without being limited by theory if the detergent drawer is used in the methods of the present invention the detergent composition may not be released sufficiently and or early enough into the drum to provide enough cleaning in the beginning stages of the shorter rinse and spin program Further without being limited by theory ifthe fabric enhancer drawer is used in the methods of the present invention for dispensing the detergent composition it will not be released until the very end ofthe rinse and spin program and therefore will not provide enough cleaning and may also undesirably leave detergent residue If the machine has a sensor bypass capability it may be possible to use one of the dispensing drawers and override what may be an undesi
11. 30 NOTAN FLIHM 412042 AY DWHYGV 4 TV WHON NidS 9NO1 SININIVIYL WIDFdS NIJS ONY SFISNIY SINJW IV 34 1L TVI23dS NIJS LYOHS 31249 440 IGV4 31v20130 J 583 v2 113071008 S3SNIH HSVM3ud InOHIIA NldS LYOHS S34HM e HSVVMJjuUd H LIM TOS AAV 3H S3 LIHM Patent Application Publication Jul 31 2008 Sheet 4 of 7 US 2008 0178396 A1 Schematic of control panel of Indesit WIE 167 and symbol identifying the rinse and spin cycle FUNCTION Batons START RESET on START STOP button Control knob TEMPERATURE button DELAY TIMER button Detergent dispenser FIG 3 a Patent Application Publication Jul 31 2008 Sheet 5 of 7 US 2008 0178396 A1 PARTIAL PROGRAMMES lt gt Vna itu dr FIG 3 b Patent Application Publication Jul 31 2008 Sheet 6 of 7 US 2008 0178396 A1 Control panel for Baumatic BWD 12 WOOL DELICATES DEUCATE FABRIC ORY CYCLE SHORT SPIN SPECIAL TREATMENTS RINSES AND SPIN LONG SPIN ORMAL FABRIC ORY CYCLE FIG 4 a Patent Application Publication Jul 31 2008 Sheet 7 of 7 US 2008 0178396 A1 Portion of instructions for use of Baumatic BWD 12 o Rinse and Spin 3 amp 8 The rinse and spin programme can be selected for articles that have been hand washed The rinse and spin programme 3 on the dial is for normal fabrics 1200 rpm The rinse and spin 8 is for delicate fabrics 500 rpm o To uti
12. 4 0 12 0 50 0 67 0 linear surfactants FA Grams liter fatty 0 11 0 11 0 079 0 021 0 acids TLS 2 5 FA 0 065 0 065 0 12 0 30 0 62 0 Grams liter Cleaning performance good good good good good poor Residual suds level in the verylow verylow very low high high very low last rinse TABLE 2 Examples of liquid detergent compositions useful in the methods of the present invention 2A 2B 2C 2D 2E Ingredients by weight Alkylbenzene sulfonic acid 23 9 6 3 0 L5 1 5 Sodium C12 14 alkyl ethoxy 12 0 6 8 3 5 sulfate C12 14 alkyl 7 ethoxylate 19 12 Total linear surfactants 42 9 6 15 8 3 5 0 C13 15 alkyl 8 ethoxylate 4 0 4 0 Total branched surfactants 4 0 4 0 4 0 Total soluble surfactants 42 10 8 17 3 12 3 5 0 C12 18 Fatty acid 16 6 8 2 6 2 6 2 6 Citric acid 1 7 1 5 2 6 2 6 2 6 Protease enzyme 0 2 0 1 Amylase enzyme 0 05 Mannanase enzyme 0 05 Ethoxylated 0 5 Polyethyleneimine Ethoxylated 3 5 2 0 2 0 4 0 Polyethyleneimine quaternized sulfated Hexamethylene tetramine 0 9 1 0 1 0 1 0 pentaphosphonic acid Hydroxyethane diphosphonic 0 7 acid Total polymers chelants 4 7 0 9 3 0 3 0 5 0 Fluorescent Whitening Agent 0 2 0 08 Montmorillonite clay 3 3 Solvents 1 2 propandiol 13 7 0 2 0 2 0 2 0 ethanol stabilizers Boric acid 1 0 Perfume 1 7 0 7 1 0 1 0 1 0 Buffers sodium hydroxide TopH7 5 TopH7 5 TopH7 5 TopH 7 5 TopH7 5 Monoethanolamine Silicone suds suppressor Q2 0 5 3302 ex Dow Corning Water To 100
13. 42 The low foaming liquid detergent 1A of Table 1 is commercially available in unit dose form as for example ARIEL LIQUITABS which are pre packaged liquid laundry detergent inside of polyvinylalcohol sachets and have a weight of about 50 g In this example a sachet is cut with a knife the detergent is poured out into a plastic dosing cup of thetype sold with liquid laundry detergents and the detergent and cup are placed directly into the drum of the washing machine with the textiles 0143 Inall the foregoing examples the rinse cleaned tex tiles are found to be substantially clean good smelling in good condition and lacking visible detergent residues EXAMPLE FORMULATIONS 0144 TABLE 1 Compositions 1A 1B and 1C are all examples of liquid detergent formulations useful in the methods of the present invention and deliver both good cleaning and acceptable low suds levels at the end of the wash Compositions 1D 1E and 1F are comparative examples of liquid detergent formulations which are unsuitable for use in the methods of the present invention as they do not deliver both good cleaning and low suds level at the end of the wash 1A 1B 1C 1D 1E 1F Ingredients by weight Alkylbenzene sulfonic 1 2 7 8 10 6 acid Sodium C12 14 alkyl 6 8 0 2 1 4 0 3 ethoxy sulfate C12 14 alkyl 7 ethoxylate 0 2 0 3 13 8 C12 alkyl polyglucoside 2 0 C12 alkyl dimethyl amine 1 6
14. 5 acid Total polymers chelants 3 5 3 5 2 4 1 4 0 7 4 0 Fluorescent Whitening Agent 0 10 0 10 Cationic hydroxyethyl 0 5 0 2 0 2 0 3 cellulose Polydimethylsiloxane 20 000 3 0 5 0 cst Sucrose fatty acid esters 4 5 _ Lupasol Polyethyleneimine 0 3 ex BASF Solvents 1 2 propandiol 1 7 3 2 2 5 1 0 ethanol stabilizers Boric acid 2 0 1 0 Perfume 0 5 1 5 0 4 1 0 1 0 1 0 Perfume microcapsules 0 5 Silicone Suds suppressor 0 2 0 5 Buffers sodium hydroxide To pH 7 5 To pH 3 0 Monoethanolamine Water To 100 Recommended DOSAGE g 40g 40g 25g 30g 50g 40g Recommended wash water 12 liters liters Grams liter soluble 0 41 0 48 0 31 0 31 0 48 0 20 surfactants TLS Grams liter total linear 0 33 0 34 0 34 0 21 0 41 0 12 Surfactants FA Grams liter fatty acids 0 08 0 08 0 06 0 10 Jul 31 2008 US 2008 0178396 A1 Jul 31 2008 TABLE 3 continued Examples of liquid and gel detergent compositions useful in the methods of the present invention 3A 3B 3C 3D 3E 3F Ingredient 96 by weight TLS 2 5 FA 0 13 0 14 0 34 0 09 0 16 0 12 Grams liter silicone 0 10 compound Grams liter of polymers 0 12 0 12 0 05 0 03 0 03 0 13 chelants Grams liter enzymes raw 0 002 materials TABLE 4 TABLE 5 continued Example of Liquid Composition enclosed within a single dose water soluble pouch Liquid Unit Dose useful in the methods of the present inve
15. Miele W986 sold by Miele in the Netherlands and Belgium Switch on using the white button to the left Rotate the dial to Extra spoelen 0057 FIG 21is a schematic drawing of the control panel of a domestic front loading laundry washing machine model Miele W9891 WPS sold by Miele in the UK Switch on using the white button on the left Rotate the dial to Separate Rinse Jul 31 2008 0058 FIG 3 a is a schematic of drawing of the control panel of a domestic front loading laundry washing machine model Indesit WIE 167 sold by Indesit 0059 FIG 3 5 is a portion from the user manual of WIL 163 S and includes a symbol identifying the rinse and spin cycle The rinse and spin cycle is labeled Rinse and is identified as a partial program 0060 FIG 4 a is a schematic of drawing of the control panel of a domestic front loading laundry washing machine model Baumatic BWD 12 sold by Baumatic 0061 FIG 4 6 is a portion of instructions for use of Baumatic BWD 12 explaining how to implement two differ ent rinse and spin programs varying in spin speed Higher speeds are used for less delicate textiles while lower speeds are used for more delicate textiles 0062 Different programs can be selected by human actua tion DETAILED DESCRIPTION OF THE INVENTION 0063 Domestic laundry washing machines in general include those having top loading and front loading con figurations In the top loading configuratio
16. US 20080178396A1 a2 Patent Application Publication o Pub No US 2008 0178396 A1 as United States van der Linden et al 43 Pub Date Jul 31 2008 54 RINSE CLEANING LAUNDRY WASHING MACHINE METHOD Josephus Hendrikus Petrus van der Linden Beijing CN Alain Lievens Rumst BE Sabine Ursula Metzer Groom Tervuren BE Francesco de Buzzaccarini Breendonk BE James Charles Theophile Roger Burckett St Laurent Brussels BE 76 Inventors Correspondence Address THE PROCTER amp GAMBLE COMPANY INTELLECTUAL PROPERTY DIVISION WEST BLDG WINTON HILL BUSINESS CENTER BOX 412 6250 CENTER HILL AVENUE CINCINNATI OH 45224 21 Appl No 11 906 448 22 Filed Oct 2 2007 Related U S Application Data 60 Provisional application No 60 849 979 filed on Oct 6 2006 provisional application No 60 901 792 filed on Feb 16 2007 Publication Classification 51 Int CI DO6B 5 00 2006 01 CUD 3 37 2006 01 CUD 3 60 2006 01 DO6F 39 02 2006 01 D06M 15 70 2006 01 52 USM lea cease 8 137 510 347 510 276 8 159 57 ABSTRACT Methods of laundering textiles comprising the sequential steps of A adding into a drum of a domestic front loading laundry washing machine wherein said washing machine has at least one rinse and spin program at least i one or more textiles and ii a detergent composition B actuating the washing machine to perform at least one rinse and spin pro gram
17. actuating a rinse and spin program 12 A packaged product according to claim 11 wherein the instructions for use further comprise additional instructions for dosing the detergent composition into the dispensing drawer and actuating a standard laundry program Jul 31 2008 13 A method of marketing a laundry detergent composi tion wherein said method includes instructing consumers that the detergent composition can be used effectively to launder textiles by placing the detergent composition directly into the drum of a front loading laundry washing machine and actu ating the rinse and spin program 14 Use of a detergent composition in the rinse and spin program ofa front loading laundry washing machine wherein the composition and textiles are added directly to a drum of the front loading laundry washing machine and the rinse and spin program is actuated 15 Use according to claim 18 wherein the laundry com position is selected from low foaming liquid or gel laundry compositions 16 A method according to claim 1 wherein the detergent composition delivers a total amount of soluble surfactant dosed per rinse and spin program wash of from about 0 1 to 1 3 grams liter of wash water used 17 A detergent composition exhibiting at least one of the following characteristics a the total amount of linear surfactants TLS and the amount of Fatty Acids FA all expressed in grams liter of wash water used obeys the following r
18. asuring device and the detergent composition can simply be placed together with the textiles in the washing machine In one embodiment the appropriate dosage of detergent composi tion may be enclosed within a water soluble film pouch or envelope or multiples thereof and placed directly into the drum of the washing machine In another embodiment the appropriate dosage of detergent composition may be US 2008 0178396 A1 enclosed withina single dose package or two dual dose pack ages that are opened and the contents poured into the drum Adding into a Domestic Front Loading Washing Machine 0093 The methods of the present invention include the step of adding into a domestic front loading laundry washing machine having a rinse and spin program atleast one or more textiles in need of laundering and a detergent composition 0094 The detergent composition herein includes com mercially available detergent compositions and may take the form of a liquid paste gel mousse powder tablet sachet or the like 0095 In one embodiment the detergent composition is added directly into the drum or is added into the machine by means ofa sensor bypass Without being limited by theory by adding this detergent composition directly into the drum or by utilizing a sensor bypass it is possible to allow the detergent composition enough time to launder the textiles and still be removed by the later portion of the rinse and spin part of the program
19. by a full washing cycle 0114 In one embodiment the rinse and spin program comprises the washing machine operating to complete a rinse cycle at least once and no more than three times in succession 0115 In one embodiment when the identified rinse and spin program is actuated the machine responds to the actua tion by performing two or more consecutive rinse cycles In another embodiment when the identified rinse and spin pro gram is actuated the machine responds to the actuation by performing three consecutive rinse cycles and then ceases operation until further input 0116 Inoneembodiment the step of actuating the wash ing machine includes adjusting the mechanical action of the washing machine to the rinse and spin program In a standard home laundry situation such actuation of the washing machine is performed by a human 0117 In one embodiment the horizontal axis washing machines useful herein include an identified rinse and spin program having a corresponding push button touch screen selection knob dial or combination thereof that may be used to actuating the setting In one embodiment the step of actu ating the washing machine to perform the rinse and spin program includes human interaction with the washing machine by their pushing a button turning a knob turning a dial selecting on a screen or combinations thereof Removing the Textiles from the Drum of the Washing Machine 0118 Any means for removing the texti
20. cedures of Example I are repeated except for using approximately 25 g of Formula 3C from Table 3 EXAMPLE VI 0137 The procedures of Example 1 are repeated except replacing the Miele machine with a domestic front loading US 2008 0178396 A1 laundry washing machine provided by Indesit in the UK as model WIE 167 having an unheated rinse and spin program This includes 1 rinse 10 min drain 2 rinse 10 min final spin 4 min with a rinse and spin program total duration of 26 min 0138 The low foaming liquid detergent 2A of Table 2 is used at a weight of 50 g EXAMPLE VII 0139 The procedure of Example I is repeated except for replacing the Miele machine with a domestic front loading laundry washing machine provided by Baumatic in the UK as model BWD 12 and rinse and spin program 3 EXAMPLE VIII 0140 The procedure of Example I is repeated except for replacing the Miele machine with a domestic front loading laundry washing machine provided by Baumatic in the UK as model BWD 12 and rinse and spin program 8 EXAMPLE IX 0141 The procedures of Example I are repeated except replacing the Miele machine with a domestic front loading Jul 31 2008 laundry washing machine provided by Indesit in the UK as model WIE 167 having an unheated rinse and spin program and using Ariel Liquitabs This includes 1 rinse 10 min drain 2 rinse 10 min final spin 4 min with a rinse and spin program total duration of 26 min 01
21. detergent compositions for use with the present method comprise total soluble surfactant at levels suitable to provide concentrations of from about 0 1 gram per liter to about 1 3 grams per liter more suitably from 0 2 grams per liter to no more than 0 8 grams per liter in the wash water of a rinse and spin program As used herein total soluble surfactant is defined as including linear or branched types of soluble surfactant but not including fatty acids For purposes of illustration the total soluble surfactant can be selected from anionic soluble surfactants such as the C8 C18 alkyl sulfates AS C8 C18 methyl ester sulfonates MES C8 C18 alkylpoly ethoxy sulfates AES SLES any of which can be mixed and can be present as the acid form sodium potassium or C1 C4 alkanolammonium salt forms US 2008 0178396 A1 nonionic soluble surfactants such as the known C8 C18 alco hol poly alkoxylates e g the C8 C18 alcohol poly ethoxy lates alkylpolyglycosides APG single chain cationic soluble surfactants such as the C8 C18 alkyltrimethylammo nium halides more particularly dodecyltrimethylammonium chloride or analogs thereof wherein one or more hydroxy ethyl moieties replace one or more N methyl substituents or mixtures thereof Nonlinear soluble nonionic surfactants use ful herein include Lial Guerbet and or Dobanol types Linear soluble surfactants can include alicyclic types which prefer ably comprise no branch of more than three
22. e variations of the method of the invention by combining any known marketed pretreatment detergent or laundry additive in a pretreatment step with rinse cleaning methods involving short rinse and spin cycles as taught herein Jul 31 2008 0071 Additionally the methods set forth herein are car ried out without a normal washing program such as 30 C 60 C or 90 C programs for cotton or synthetics although the same item of laundry may experience different wash programs and or detergents after wearing and in previous to wearing laundering or subsequent launderings Without being limited by theory the methods set forth herein are intended to be either stand alone textile laundering methods or can include a stain pre treater or subsequent textile enhancer step in any event they avoid lengthy front loader washing machine standard laundering programs Textiles 0072 Asusedherein textiles refers to clothing such as for example shirts sweaters socks pants shorts hats gloves jackets coats and the like fabrics linens such as for example curtains sheets towels duvet covers blankets bedding pillowcases and the like In one embodiment the textiles are clothing i e articles of apparel for wearing on the body and do not include non body fitting items such as wash cloths handkerchiefs diapers or the like which typically require special laundering e g with strong sanitizers or boil washes as is w
23. e in European Patent EP 768371 5A Ingredient by weight Water To 100 Recommended DOSAGE g 25 grams Recommended wash water liters 12 Grams liter soluble surfactants 0 62 TLS Grams liter total linear surfactants 0 25 FA Grams liter fatty acids 0 31 TLS 2 5 FA 0 08 0145 All documents cited in the Detailed Description of the Invention are in relevant part incorporated herein by reference the citation of any document is not to be construed as an admission that it is prior art with respect to the present invention To the extent that any meaning or definition of a term in this written document conflicts with any meaning or definition of the term in a document incorporated by refer ence the meaning or definition assigned to the term in this written document shall govern 0146 While particular embodiments of the present inven tion have been illustrated and described it would be obvious to those skilled in the art that various other changes and modifications can be made without departing from the spirit and scope of the invention It is therefore intended to cover in the appended claims all such changes and modifications that are within the scope of this invention What is claimed is 1 A method of laundering textiles comprising the sequen tial steps of a adding into a domestic front loading laundry washing machine wherein said washing machine has at least one rinse and spin program at least i one or more te
24. eantime with respect to the existing base of installed appliances consumers remain frustrated with the generally long wash times provided by normal wash pro grams They wish to obtain better control of washing in their existing washing machines and to obtain rapid yet effective laundering of fabrics with minimum damage especially of preferred items of clothing 0012 Therefore in the existing base of washing machines in the EU a strong need exists to provide consumers with improved methods of use for their current European style domestic front loading and or horizontal axis laundry washing machines Likewise there exists a need for new laundry product systems and instructions for their use which can be conducive to promote such efficiency The societal benefits in terms of water and energy savings could be con siderable and consumers would benefit since their favorite garments could be frequently washed while retaining supe rior fabric care e g textile softness feel or handle elasticity retention antistatic benefits color retention benefits and a US 2008 0178396 A1 range of other benefits e g improved hygiene skin feel ben efits hedonic benefits and the like SUMMARY OF THE INVENTION 0013 It has now surprisingly been discovered that it is possible to launder soiled or lightly worn textiles by treating the textiles in rinse and spin programs ofthe installed base of domestic front loading laundry washing machines
25. elation ship TLS 2 5xF4 lt 0 20 grams liter and or b the composition delivers between 0 01 and 0 2 grams liter of a polydimethylsiloxane or derivative thereof wherein the detergent composition is in association with a set of instructions to consumers for the use of the detergent composition in the rinse and spin program of a front loading laundry washing machine 18 A detergent composition according to claim 17 wherein the detergent composition further comprises from about 0 05 to about 0 30 grams liter of wash water of detergent chelants polymers and mixtures thereof 19 A detergent composition according to claim 18 wherein the detergent composition comprises less than 0 01 grams liter wash water of detergent enzymes 20 Useofa detergent composition comprising a surfactant and exhibiting at least one of the following characteristics a the total amount of linear surfactants TLS and the amount of Fatty Acids FA all expressed in grams liter of wash water used obeys the following relation ship TLS 2 5xFA 0 20 grams liter and or c the composition delivers between 0 01 and 0 2 grams liter of a polydimethylsiloxane or derivative thereof for washing textiles in a rinse and spin cycle of a domestic front loading laundry washing machine
26. ell known In another embodiment the cloth ing is comprised at least in part of wool fibers silk fibers or combinations thereof Detergent Composition 0073 In one embodiment detergent compositions useful herein include those that are in any liquid gel paste or rapidly soluble solid form are low foaming are capable of evenly dispersing or dissolving in cold water are capable of reducing surface tension and at least to some extent operate to suspend dirt in the wash Liquids and gels are preferred 0074 Single units of liquid or gel form laundry detergent composition packaged within water soluble or water in soluble pouches commonly referred to as liquid unit dose detergents may also be used in the methods set forth herein 0075 Liquid unit dose type detergents may be provided in a single dose water soluble pouch In one embodiment the pouch is made of a film comprising a water soluble polyvi nylalcohol PVA copolymer such as the one described in patent application US 2006 0035042 Other commercially available water soluble films such as MONOSOL 8630 may be used to form such pouches 0076 Suitable detergent compositions for use herein gen erally comprise anionic and or nonionic surfactants and are not substantially in the form of vesicular dispersions of cat ionic softeners the latter being characteristic of laundry prod ucts sold as fabric conditioners rather than as cleaners 0077 Preferred rinse cleaning
27. erein the at least one outer package comprises instructions for consumer use further wherein said instructions provide written or visual cues to the consumer indicating that the detergent composition may be used in the rinse cycle of a horizontal axis washing machine to provide textile benefits 0052 The present invention further relates to use of a detergent composition comprising a surfactant and exhibiting at least one of the following characteristics 0053 a the total amount of linear surfactants TLS and the amount of Fatty Acids FA all expressed in grams liter of wash water used obeys the following relationship TLS 2 5xFA lt 0 20 grams liter and or 0054 b the composition delivers between 0 01 and 0 2 grams liter of a polydimethylsiloxane or derivative thereof for washing textiles in a rinse and spin cycle of a domestic front loading laundry washing machine 0055 The present invention further relates to a kit com prising a laundry pretreater and a rinse cleaning laundry detergent for washing textiles in a rinse and spin cycle of a domestic front loading laundry washing machine The present invention further relates to such a kit for washing textiles in a domestic front loading laundry washing machine without reliance on any mainwash laundry detergent BRIEF DESCRIPTION OF THE DRAWINGS 0056 FIG 1 is a schematic drawing of the control panel of a domestic front loading laundry washing machine model
28. ethod Such compositions may contain soluble surfactants and optionally fatty acids or poly dimethylsiloxane These soluble surfactants may include lin ear or branched alkyl groups Such compositions may also exhibit the following characteristics 0080 Total Soluble Surfactant Dosed 0081 The detergent compositions herein may deliver a total amount of soluble surfactant dosed per rinse and spin program wash from about 0 1 to about 1 3 grams liter of wash water used In one embodiment the total amount of soluble surfactant dosed per rinse and spin program wash is from about 0 2 to about 0 8 grams liter 0082 Delivered Ingredients 0083 The detergent compositions useful in the methods herein may also exhibit at least one of the following charac teristics 0084 1 The total amount of linear surfactants TLS and the amount of Fatty Acids FA all expressed in grams liter of wash water used obeys the following relationship TLS 2 5xFA lt 0 20 grams liter and or 0085 2 The composition delivers between 0 01 and 0 2 grams liter of a polydimethylsiloxane or derivative thereof 0086 In alternate terms and without being limited by theory the inventive methods set forth herein encompass a system wherein the total surfactant used is a combination of Jul 31 2008 linear only soluble surfactants combined with a suds suppres sion or foam control system selected from polydimethylsi loxanes For the present purp
29. gram comprises the washing machine operating to complete a rinse drain and spin at least once and wherein no more than two rinses occur during the program 6 A method according to claim 1 which bypasses one or more sensors of said washing machine 7 A method according to claim 1 wherein the detergent composition is added into the drum of the domestic front loading laundry washing machine by a placing the detergent composition directly into the drum b bypassing a sensor of the laundry washing machine c first placing the detergent composition into a dispensing device and then placing the dispensing device into the drum or d a combination thereof 8 A method according to claim 1 wherein the detergent is added into the drum of the domestic front loading washing machine without use of a dispensing drawer incorporated into said washing machine 9 A method according to claim 9 wherein the detergent is added into the laundry washing machine in a dispensing device selected from dosing cups dosing balls scoops and combinations thereof 10 A method according to claim 1 wherein the textiles are substantially comprised of clothing comprising body fitting garments 11 A packaged product containing therein a laundry deter gent composition wherein the packaged product includes instructions for use said instructions for use comprising instructions for dosing the detergent composition into the drum of a laundry washing machine and
30. hes dryer although some integrated washer dryers are known Although rarer there is also a vari ant of domestic horizontal axis laundry washing machine that is loaded from the top through a small door in the circumfer ence of the drum These washing machines usually have a shorter cylinder and are therefore smaller Such laundry washing machines are included in the term front loading or horizontal axis for the present purposes since the wash mechanism is substantially identical 0067 As used herein the term domestic front loading laundry washing machine in general refers to laundry wash ing machines sized for domestic use i e having load ratings of up to about 10 kg more typically up to about 6 kg dry laundry and having the most common configuration offered for sale in Western Europe in the period 1985 2005 Such washing machines are other than those having a vertical axis and capable of completely immersing a fabric bundle in a wash bath Method of Laundering Textiles 0068 The methods of laundering textiles set forth herein are useful in European style domestic front loading laun dry washing machines from Western Europe but also includ ing North American High Efficiency HE appliances Domestic front loading laundry washing machines in the established base of appliances in western Europe include models manufactured by Miele Bosch Siemens Indesit Dyson Zanussi and many others and are available under
31. include those that are identified by manufacturers on the washer control panel as Quick Wash or Super Quick programs However these new machines do not fully address the consumer identifiable problems First consumers typi cally dislike too much appliance complexity in program options and secondly such programs are only quick com pared to the normal over an hour programs used in Western Europe Most take 30 minutes or more to run One exception is that Bosch has recently introduced a Super Quick pro gram said to be able to launder 2 kg of lightly soiled clothing in 15 minutes During these new programs water is typically routed to a detergent dispenser drawer of the washing machine as in the case of normal full wash programs Heating is used even if the wash temperatures may be only 30 to 60 0010 However no matter the solutions offered by newly manufactured machines it will take years to achieve the mar ket penetration needed to accomplish these purposes by an appliance replacement approach Consumers do not always wish to rid themselves of adequately functioning washing machines even if they are older machines since they are increasingly aware of the problem of appliance waste and indeed may in Europe be required to pay taxes on such waste or may be prevented from treating used appliances as waste see European directive 2002 96 EC on Waste Electrical and Electronic Equipment WEEE 0011 Inthe m
32. ing machines generally use less water and energy than top loading types but the full laundering programs of front loading machines generally are quite lengthy compared to top loading machines Front loading machines typically take well over 100 minutes and may take up to two hours or more to run a standard full laundering program Even low heat programs such as wool or delicate programs can take well over 30 minutes to run n additional downside to front loading laun Jul 31 2008 dry washing machines is that such long washes tend to dam age textiles more than short washes due to the additional physical stress of longer agitation 0008 It is well established that consumers would like to be able to quickly efficiently and safely from the standpoint of fabric damage wash their clothes especially favorite items In many cases there is a need to rapidly wash a few favorite items which are not necessarily heavily stained but rather have merely been worn for a few hours and have developed an undesirable odor or tactile feel e g consumer believes there is a need for refreshing before wearing again For these lightly used items the lengthy standard program seems especially wasteful to consumers 0009 In order to solve some ofthe problems with lengthy laundering programs appliance manufacturers are slowly introducing domestic laundry washing machines which offer a wider range of washing programs Such programs may
33. les from the drum of the washing machine after the rinse cycle may be used in the methods of the present invention Such removal may be completed without any additional laundering steps such as post rinse post treatment a main laundry cycle or combina tions thereof etc Allowing the Textiles to Dry 0119 Any means for drying the textiles may be used in the methods of the present invention Such means for drying may include machine drying air drying such as line drying and combinations thereof Jul 31 2008 0120 In the methods of the present invention it is intended that the textiles be subjected to no further cleaning processes until after further use or wearing However it is well within the methods of the present invention to use such post refreshing treatments as spray starch perfumes fabric softeners stain pens for treating spot stains and combina tions thereof EXAMPLEI Method According to the Invention 0121 Using a domestic front loading washing machine commercially available from Miele with the manufacturer s model number of W986 having multiple programs selectable by a user including settings for Rinse and other settings the following steps are taken 0122 1 Approximately 50 grams measured either by weight or by volume equivalent of one of the soluble low foaming liquid laundry detergent selected from compositions 1A through 1C having the formulas given in Table 1 are dispensed directly into the
34. lise this function simply turn the knob to either 3 or 8 and press in the ON OFF button FIG 4 b US 2008 0178396 A1 RINSE CLEANING LAUNDRY WASHING MACHINE METHOD CROSS REFERENCE TO RELATED APPLICATIONS 0001 This application claims the benefit of U S Provi sional Application Ser No 60 849 979 filed Oct 6 2006 P amp G Case 10592P and U S Provisional Application Ser No 60 901 792 filed Feb 16 2007 P amp G Case 10592P2 FIELD OF THE INVENTION 0002 The present invention relates to methods of using domestic front loading laundry washing machines to clean textiles especially soiled clothing and to laundry cleaning compositions for use therewith BACKGROUND OF THE INVENTION 0003 In the European Union as of 2004 there existed an installed base of more than 100 million domestic laundry washing machines These are used for cleaning consumer textiles e g clothing garments linens curtains and other fabrics By far the majority of these laundry washing machines are front loading as distinct from the top load ing or vertical axis configuration which has until recently been more common in North America and Asia The term horizontal axis has often been used interchangeably to refer to front loading laundry washing machines 0004 The replacement rate of laundry washing machines is very slow in most EU countries in particular in France and Germany A majority of these laundry
35. m is provided by an appliance manufacturer in a washing machine for purposes other than for laundering textiles with a detergent and wherein said washing machine forms part of an installed base of domestic washing machines 0022 The present invention further relates to such meth ods wherein the rinse and spin program is provided by an appliance manufacturer as a detergentless program for pur poses other than laundering said purposes being selected from rinsing and spinning clothes which have already been hand washed for purposes of allergy control or for other purposes not encompassing laundering soiled fabrics 0023 The present invention further relates to such meth ods wherein the rinse and spin program comprises the wash ing machine operating to complete a rinse drain and spin at least once and wherein no more than four rinses occur during execution of the program 0024 The present invention further relates to such meth ods wherein the rinse and spin program comprises the wash ing machine operating to complete a rinse drain and spin at least once and wherein no more than two rinses occur during the program 0025 The present invention further relates to such meth ods which bypasses one or more sensors of said washing machine Jul 31 2008 0026 The present invention further relates to such meth ods followed by a step of completing textile drying by machine drying in a tumble dryer line drying or combination thereof
36. n still widely available in North America and parts of Asia clothes are placed in a vertically mounted cylinder where they are agi tated in wash water using a propeller like agitator or impeller 0064 Top loading laundries washing machines have some advantages over front loading laundry washing machines in that they complete washing much faster are easier to load without bending down cost less and allow clothes to be removed more easily at intermediate stages of the program e g if the user desires to remove delicate clothes before they are spun On the other hand they use more water and tend to be energy inefficient 0065 The front loading configuration is predominant in Europe and the Middle East and was developed for various reasons in particular so as to use less water than top loaders so as to better exploit enzymes and so as to reduce energy usage Industry reports of experts advising on washing machine design for example Washing Machines Long Term Efficiency Targets by Van Holsteijn and Kemna Delft May 1995 appear to be consistent with a trend toward the introduction of longer and longer washing programs in domestic front loading laundry washing machines in Western Europe until about 2004 based on perceptions that 1 this was the right way to save water and energy and ii consumers would accept the long wash times provided that limits of e g more than two hours were not exceeded However consum ers were n
37. n program wash is from about 0 2 to about 0 8 grams liter of wash water used US 2008 0178396 A1 0043 The present invention also relates to a detergent composition exhibiting at least one of the following charac teristics 0044 a the total amount of linear surfactants TLS and the amount of Fatty Acids FA all expressed in grams liter of wash water used obeys the following relationship TLS 2 5xFA lt 0 20 grams liter and or 0045 b the composition delivers between 0 01 and 0 2 grams liter of a polydimethylsiloxane or derivative thereof wherein the detergent composition is in association with a set of instructions to consumers for the use of the detergent composition in the rinse and spin program of a front loading laundry washing machine 0046 The present invention further relates to such meth ods wherein the detergent composition further comprises from about 0 05 to about 0 30 grams liter of wash water of detergent chelants polymers and mixtures thereof 0047 The present invention further relates to such meth ods wherein the detergent composition comprises less than 0 01 grams liter wash water of detergent enzymes 0048 The present invention further relates to a textile laundering kit comprising 0049 a at least one inner package 0050 b at least one outer package 0051 wherein the at least one inner package comprises a detergent composition according to those set forth above and wh
38. ntion 4A of Liquid Ingredient composition Alkylbenzene sulfonic acid 18 C12 14 alkyl 7 ethoxylate 22 _ Total soluble surfactants 40 Total linear surfactants 40 C12 18 Fatty acid 15 Citric acid 1 5 Hexamethylene tetramine pentaphosphonic acid 0 5 Fluorescent Whitening Agent 0 08 Polydimethylsiloxane 20 000 cst 4 0 Solvents 1 2 propandiol ethanol stabilizers 17 Perfume 1 5 Buffers sodium hydroxide Monoethanolamine 11 to pH 7 5 Water To 100 Recommended DOSAGE g 25 grams Recommended wash water liters 12 Grams liter soluble surfactants 0 83 TLS Grams liter total linear surfactants 0 83 FA Grams liter fatty acids 0 31 TLS 2 5 FA 0 06 Grams liter silicone compound 0 08 TABLE 5 Example of a foam detergent composition suitable for packaging in an aerosol can as described for instance in European Patent EP 768371 5A Ingredient 96 by weight C12 14 alkyl 7 ethoxylate 6 0 Alkenebenzene sulfonic acid 6 0 Total linear surfactants 12 C13 15 Alkyl 3 ethoxy sulfate 18 Total soluble surfactants 30 C12 18 Fatty acid 15 Citric acid 1 5 Hexamethylene tetramine pentaphosphonic acid 0 5 Ethoxylated Polyethyleneimine quaternized sulphated 3 0 Fluorescent Whitening Agent 0 08 Solvents 1 2 propandiol ethanol stabilizers 25 Perfume 1 3 Buffers sodium hydroxide Monoethanolamine To pH 8 0 Example of a foam detergent composition suitable for packaging in an aerosol can as described for instanc
39. ons for use comprising instructions for dosing the detergent composition into the drum ofa laundry washing machine and actuating a rinse and spin program 0038 The present invention further relates to such pack aged products wherein the instructions for use further com prise additional instructions for dosing the detergent compo sition into the dispensing drawer and actuating a standard laundry program 0039 The present invention further relates to methods of marketing a laundry detergent composition wherein said method includes instructing consumers that the detergent composition can be used effectively to launder textiles by placing the detergent composition directly into the drum of a front loading laundry washing machine and actuating the rinse and spin program 0040 The present invention further relates to use of a detergent composition in the rinse and spin program of a front loading laundry washing machine wherein the compo sition and textiles are added directly to a drum of the front loading laundry washing machine and the rinse and spin program is actuated 0041 The present invention further relates to such meth ods wherein the detergent composition delivers a total amount of soluble surfactant dosed per rinse and spin pro gram wash of from about 0 1 to 1 3 grams liter of wash water used 0042 The present invention further relates to such meth ods wherein the total amount of soluble surfactant dosed per rinse and spi
40. oses polydimethylsiloxane can be selected from fabric softening polydimethylsiloxanes polydimethylsiloxanes in compounded form such as silicone silica compounded mixtures and any variations thereof 0087 In one embodiment the compositions further con tain from about 0 05 to about 0 30 grams liter of rinse and spin program wash water of detergent chelants polymers and mixtures thereof In one embodiment the compositions contain less than 0 01 grams liter wash water of detergent enzymes 0088 The amount of detergent composition used in the methods of the present invention can vary widely depending on its dilution and can for example be from about 20 ml to about 200 ml The detergent composition can be weighed or measured by volume 0089 Optional Ingredients 0090 The detergent compositions useful in the methods of the present invention may also contain fabric care ingredients such as softening through the wash ingredients antistatic agents anti wrinkling agents dye transfer inhibitors color fixatives anti abrasion agents bleach scavengers fabric de pilling agents deposition aids for fabric care actives deposi tion aids for perfume ingredients perfume microcapsules pro perfumes visual additives such as pearlescence dyes etc and similar traditional detergent additives Moreover enzymes can be used in the present compositions in which case commercial enzyme preparations sold by Novozymes Genencor Danisco
41. ot happy with this trend 0066 In domestic front loading laundry washing machines a cylinder also often called a drum 1s used and it is placed horizontally In practice horizontal can include variations of many degrees off horizontal The terms horizontal axis or front loading in common usage in reality identify washing machines which are other than agi tator impeller or nutator types and which typically do not involve substantially immersing all the laundry in a bath Loading is through a door at the front of the machine Agita tion during the wash is provided by continuous or more typically back and forth rotation of the drum and by gravity The clothes are lifted up by paddles or vanes attached to the inside of the inner drum and are then dropped or allowed to fall back under force of gravity when the lifting motion of the vanes ceases intermittently This motion flexes the weave of the fabric and forces water and detergent solution through the US 2008 0178396 A1 clothes load Such front loaders typically do not in general immerse a complete bundle of textiles rather textiles such as bundles of clothes lie at most partially immersed in the drum Often there is so little water that the clothes do not appear to be immersed at all After one or more rinses the laundry is spun at high speed to dewater it helping save heater energy in the drying step The drying step is typically carried out in a domestic clot
42. rable dispensing timing thus effectively dispensing the detergent at the begin ning ofthe rinse and spin program 0097 The method includes an embodiment wherein the detergent composition is introduced into the laundry washing machine other than by means of a dispensing drawer of said washing machine and an embodiment wherein the detergent composition is directly introduced into the laundry washing machine in a dispensing device Without being limited by theory this embodiment may be easier for consumers to implement with their existing laundry washing machine 0098 Suitable dispensing devices include dosing cups dosing balls scoops and the like depending on the form of the detergent composition Dosing cups dosing balls and dosing caps which can be fitted to the cap of a liquid detergent container are preferred 0099 In one embodiment a fabric softening composition commonly referred to as fabric enhancer composition is further added to the machine through the fabric enhancer dispensing drawer In this embodiment a first rinse can serve to launder while a second or additional rinse can serve to separately soften fabrics Jul 31 2008 0100 Washing Machine 0101 Domestic horizontal axis or front loading laundry washing machines useful herein are those meeting appliance industry standards e g of the International Elec trotechnical Commission such as those commercially avail able from many manufac
43. rum suited according to IEC 60456 Ed 4 0 for rated capacities of from 2 to 10 kg dry cotton laundry for example the inner drum may have a volume of 65 litres and other features such as lifting vanes and drum con struction e g perforation according to the reference wash ing machine described in Annex A of IEC 60456 Ed 4 0 0105 Such domestic front loading laundry washing machines herein also include means for actuating the washing machine so as to conduct a rinse and spin program indepen dently from another wash program 0106 As used herein rinse and spin program refers to the action performed by a washing machine resulting in the at least partial filling of the drum agitating e g at least par tially lifting the laundry either periodically or continuously by means of vanes fitted to the drum draining of the drum spinning in one embodiment at speeds of at least 200 rpm in another embodiment above 800 rpm so as at least partially remove water and cycling through these steps at least one additional time 0107 The rinse and spin programs used in the present invention have a maximum duration from actuation until the washing machine halts assuming no further actuation or action is taken by the operator of from about 5 to about 40 minutes in one embodiment from 7 to less than 30 minutes In one embodiment the duration is from about 7 to about 17 minutes alternatively is about 15 minutes 0108 Suitable tempera
44. turers including Bosch Indesit Hot point Whirlpool Kenmore LG Frigidaire Miele and Maytag The domestic laundry washing machines suitable herein are those also referred to as European Style washing machines or in the US High Efficiency washers As used herein horizontal axis means an axis within 45 of the horizontal plane 0102 Domestic front loading laundry washing machines herein are those in which the textiles are placed in a horizontal or inclined drum and partially immersed in the washing water the mechanical action being produced by rotation ofthe drum about its axis the movement being continuous or periodically reversed and the machine having lifting vanes or similar protrusions to lift the laundry as well as means for centrifug ing or spin extracting the laundry after washing at speeds of 400 rpm or above more typically 800 rpm to 1400 rpm or higher e g 2000 rpm Such washing machines can addition ally incorporate a tumble dryer in which case they are domestic front loading washer dryers 0103 Domestic front loading washing machines herein are accordingly clearly distinguishable from agitator washing machines impeller washing machines and nutator washing machines as described in IEC 60456 Ed 4 0 which all employ substantially differing mechanisms 0104 The washing machines useful herein include an inner drum when used without qualification the term drum herein refers to the inner d
45. tures for the wash and spin cycle are from about 5 C to about 28 C Inany event therinse and spin program may be unheated 0109 The rinse and spin program can be variously iden tified on the control panel of the washing machine as a rinse gt lt lt and spin rinse and the like provided that the rinse and US 2008 0178396 A1 spin program can be actuated independently from other pro grams which is commonly the case 0110 In one embodiment of the invention the method involves sensor bypass Certain washing machines comprise one or more sensors e g for foam levels detergent dispens ing turbidity measurement during rinses and the like The invention includes methods which bypass one or more such sensors 0111 In one embodiment of the invention the detergent manufacturer and appliance manufacturer collaborate to inform consumers that such a program is available on a par ticular washing machine and that a particular detergent is suitable for use 0112 Inone embodiment ofthe invention the utility ofthe method is communicated to consumers by non retail means such as by service technicians employed by appliance manu facturers or their representatives Actuating the Washing Machine to Perform the Rinse and Spin Program 0113 Inthe methods ofthe present invention the washing machine is actuated to perform the rinse and spin program such that such rinse and spin program is not immediately preceded
46. washing machines are replaced only once every ten to fifteen years 0005 Domestic laundry washing machines are generally provided with a series of programs A program typically includes at least two steps with respect to basic operations of the machine such as opening or closing valves to fill or to drain water from the appliance switching a heater on or off and the like Washing programs can for example include filling ofthe machine drum with water agitating the contents of the drum draining the aqueous content of the drum and spinning the drum to remove additional aqueous content The term cycle is sometimes also used in general a cycle can be considered the result achieved by completing a program comprising multiple steps such as filling agitating draining spinning and the like 0006 A full laundering program for soiled textiles such as a 60 degree cotton program conducted in a front loading domestic laundry washing machine generally includes at minimum a washing stage of filling and agitating multiple rinses and spinning Often a pre wash program is provided which can be user selectable as a stand alone program or which can be selectable for additional agitation preceding a separately selected main program The weight of clothing laundered is typically at least half of the rated load of the washing machine and is often a full load e g about 5 kg 0007 Domestic front loading laundry wash
47. xtiles and ii a detergent composition b actuating the washing machine to perform at least one rinse and spin program wherein the actuation of such rinse and spin program is not preceded by a manual or machine wash of said textiles and c removing the textiles from the washing machine 2 A method according to claim 1 wherein actuating the washing machine to perform the rinse and spin program com prises a human intervention of pressing a button rotating a rotary dial to a preset position selecting on a touch screen or combinations thereof or otherwise by one or more tactile or US 2008 0178396 A1 remote control communication steps interacting with the washing machine or a control panel thereof to initiate the program 3 A method according to claim 2 wherein said rinse and spin program is provided by an appliance manufacturer in a washing machine for purposes other than for laundering tex tiles with a detergent and wherein said washing machine forms part ofan installed base of domestic washing machines 4 A method according to claim 3 wherein the rinse and spin program is provided by an appliance manufacturer as a detergentless program for purposes other than laundering said purposes being selected from rinsing and spinning clothes which have already been hand washed for purposes of allergy control or for other purposes not encompassing laundering soiled fabrics 5 A method according to claim 1 wherein the rinse and spin pro

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