With Soil Release Or Antisoiling Component Patents (Class 510/299)
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Patent number: 6475246Abstract: An additive for introduction into a dry cleaning solvent, and a method of use thereof, which reduces static electricity, minimizes linting, fights acidity to reduce corrosion, deodorizes the solvent, and does not adversely affect the filtering operation. The additive contains sodium bicarbonate and an anti-static agent; preferably in the presence of an odorant.Type: GrantFiled: May 22, 2000Date of Patent: November 5, 2002Assignee: Pariser IndustriesInventors: Albert A. Pariser, Joel Speer
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Patent number: 6462013Abstract: An isotropic liquid detergent composition comprising at least one surfactant and from about 0.1 to about 75 weight percent, based on the total weight of the liquid detergent composition, of a water-soluble or water-dispersible polymer having pendant acid functionality and a terminal fragment of a chain transfer agent, wherein the polymer is the polymerization product of a ethylenically unsaturated acid monomer and a C1 to C24 chain transfer agent. Unexpectedly, these polymers are compatible in isotropic liquid detergent formulations. When these polymers are used in a laundering process, they remove soil from textiles, inhibit soil redeposition onto textiles, and function as cobuilders by complexing metal ions present in hard water such as calcium and magnesium which otherwise may complex with the surfactants of a liquid detergent rendering the surfactants water-insoluble.Type: GrantFiled: March 4, 1999Date of Patent: October 8, 2002Assignee: National Starch and Chemical Investment Holding CorporationInventors: Winborn C. Cooke, Jr., Klein A. Rodrigues
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Patent number: 6444633Abstract: The present invention relates to laundry detergent compositions which provide enhance hydrophilic soil cleaning benefits, said compositions comprising: a) from about 0.01% by weight, of a zwitterionic hexamethylene diamine; b) from about 0.01% by weight, of a surfactant system comprising one or more surfactants selected from the group consisting of nonionic, anionic, cationic, zwitterionic, ampholytic surfactants, and mixtures thereof; and c) the balance carriers and adjunct ingredients. The preferred embodiment of the present includes laundry detergent compositions in the form of a water soluble or dispersible tablet.Type: GrantFiled: February 21, 2001Date of Patent: September 3, 2002Assignee: The Procter & Gamble CompanyInventor: Kenneth Nathan Price
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Patent number: 6436893Abstract: Solid block alkaline detergent compositions are disclosed comprising a source of alkalinity, and other detergent additives including sequestrants. The solid block detergents of the invention used a mixed inorganic and organic sequestrant composition that successfully softens service water used in manufacturing aqueous detergents from the composition, but also obtains substantially improved organic soil removal on dishware or flatware. The solid block detergents of the invention comprise large masses of the chemical ingredients having a weight of greater than about 500 grams in a solid block product format that is typically dispensed using a spray on water dispenser that creates an aqueous concentrate that is used in a washing machine.Type: GrantFiled: October 18, 2000Date of Patent: August 20, 2002Assignee: Ecolab Inc.Inventors: Steven E. Lentsch, Keith E. Olson, Victor F. Man
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Patent number: 6410500Abstract: Shaped bodies containing builders, alkali sources, bleaching agents, enzymes and surfactants. Particularly high-performance detersive shaped bodies with high stability in storage, a good perfume profile and a defined solubility profile are obtained if more than 80% by weight of the total content of an active substance (1) containing a constituent from the group of soil-release compounds is present in a region which makes up no more than 40% by volume of the shaped body.Type: GrantFiled: December 22, 1999Date of Patent: June 25, 2002Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Juergen Haerer, Thomas Mueller-Kirschbaum, Christian Nitsch, Thomas Moeller, Hans-Josef Beaujean, Bernd Richter
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Patent number: 6384008Abstract: Non-aqueous, particulate-containing heavy duty liquid laundry detergent compositions that are in the form of a stable suspension of particulate material, essentially including from about 0.1% to about 10%, by weight of the detergent composition of an ethoxylated quaternized amine clay material. These compositions preferably include a peroxygen bleaching agent and an organic detergent builder, dispersed in a liquid phase preferably structured with a surfactant. Such compositions provide especially desirable cleaning and bleaching of fabrics laundered therewith and also exhibit especially desirable aesthetics.Type: GrantFiled: June 6, 2000Date of Patent: May 7, 2002Assignee: The Procter & Gamble CompanyInventor: Diane Parry
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Patent number: 6358914Abstract: Compositions are disclosed comprising a conventional surfactant, a cationic or amphoteric gemini surfactant and a polymeric soil release agent. The conventional surfactant comprises a hydrophilic group and a hydrophobic group. The gemini surfactant comprises two surfactant moieties attached to each other by a spacer moiety. Each surfactant moiety having at least one hydrophilic group and at least one hydrophobic group. Novel trimeric and tetrameric cationic gemini surfactants are also disclosed along with their use in combination with soil release polymer compositions that exhibit superior cleaning efficacies when incorporated in laundry and other cleaning detergent systems. Novel surfactant/soil release polymer compositions are also disclosed employing known cationic gemini surfactants. The polymeric soil release agent can be any conventional polymeric soil release agent, but preferably comprising PET—POET copolymer.Type: GrantFiled: June 17, 1999Date of Patent: March 19, 2002Inventors: Gladys S. Gabriel, Robert Gabriel, Manilal S. Dahanayake, Paul-Joel Derian
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Patent number: 6310025Abstract: The present invention relates to a process for pretreating soiled fabrics with a liquid composition comprising a peroxygen bleach and a soil dispersing agent selected from the group consisting of an ethoxylated monoamine, an ethoxylated diamine, and ethoxylated polyamine, an ethoxylated amine polymer and mixtures thereof. This invention also discloses liquid compositions suitable for pretreating fabrics, comprising a peroxygen bleach, a surfactant, and a soil dispersing agent selected from the group consisting of an ethoxylated monoamine, an ethoxylated diamine, an ethoxylated polyamine, an ethoxylated amine polymer and mixtures thereof, said composition being formulated either as an emulsion or a microemulsion.Type: GrantFiled: September 4, 1998Date of Patent: October 30, 2001Assignee: The Procter & Gamble CompanyInventors: Valerio Del Duca, Valentina Masotti, Stefano Scialla
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Patent number: 6291415Abstract: The present invention relates to A water-soluble or dispersible, modified polyamine compound comprising a polyamine backbone corresponding to the formula: wherein R is linking unit having the formula: —(R1O)xR3(OR1)x— wherein R1 and R3 are each independently C2-C12 linear or branched alkylene, the index x is from 0 to 4, E is hydrogen, benzyl, methyl, or —(R1O)tB; wherein B is selected from the group consisting of hydrogen, —(CH2)qSO3M, —(CH2)qCH(SO3M)CH2SO3M, and mixtures thereof; t is from 1 to 100; q is 0 or 1; m has the value of 0 to 4; M is sodium.Type: GrantFiled: August 3, 2000Date of Patent: September 18, 2001Assignee: The Procter & Gamble CompanyInventors: Randall Alan Watson, Eugene Paul Gosselink, Kenneth Nathan Price
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Publication number: 20010014656Abstract: A blood removing cleaning composition which may take the form of a detergent builder, detergent additive, or detergent pre-spotter, generally including an amount of amine compound effective to remove blood from fabric; and, optionally, an effective soil degrading amount of enzyme, wherein the composition is generally free of any neutral salt. In other preferred forms, the compositions disclosed herein may comprise surfactants, sources of alkalinity, and sequestrants, among other adjuvants.Type: ApplicationFiled: May 15, 1998Publication date: August 16, 2001Applicant: ECOLABInventors: KIM R. SMITH, LYNNE ANN OLSON
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Patent number: 6251849Abstract: Cationic polymers comprising at least 40 mole percent monomer units of the formula (I): wherein n is 2 to 4, R1 is hydrogen or methyl, and R2, R3 and R4 independently are hydrogen, C1-4 alkyl or C1-4 alkenyl, and X− is an anion selected from the group consisting of halide anions and monoalkyl anions of sulfuric acid semiester are used as soil-release compounds in hard surface cleaners.Type: GrantFiled: December 18, 1998Date of Patent: June 26, 2001Assignee: Henkel Kommanditgesellschaft Auf AktienInventors: Rainer Jeschke, Ludwig Schieferstein, Katica Bocarac, Paul Birnbrich, Herbert Fischer, Rainer Kade, Eva Kiewert, Dieter Nickel, Horst-Dieter Speckmann, Juan-Carlos Wuhrmann
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Patent number: 6251144Abstract: During the desizing and enzymatic stonewashing of denim fabric and/or garments, redeposition of blue color often occurs back onto the surfaces of the denim. The invention relates to a redepositing or backstain inhibiting composition and a method requiring the inclusion of an added protease prior to, during or subsequent to the stonewashing process which reduces the redeposition of the blue dye and hence improves the stonewashing process when using redepositing or backstaining cellulases to give an appearance closer to that when using stones alone or nonredepositing cellulases in the stonewashing process.Type: GrantFiled: February 10, 1995Date of Patent: June 26, 2001Assignee: Genencor International, Inc.Inventors: Kathleen A. Clarkson, Pushkaraj J. Lad, M. M. Mullins, Curran M. Simpson, Geoffrey L. Weiss, Lindsay Jacobs
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Patent number: 6242404Abstract: An improved soil release polymer composition comprising a soil release polymer and a long chain nonionic alkoxylate surfactant and/or amphoteric that is able to generate very low critical micelle concentration values in water. Preferably, the soil release composition is incorporated in a detergent system such as a commercial laundry detergent which comprises a second anionic, nonionic or cationic surfactant and mixtures thereof. By lowering the cmc values of the detergent wash water to very low levels, the surfactant greatly enhances the performance of the soil release polymer.Type: GrantFiled: August 25, 1997Date of Patent: June 5, 2001Assignee: Rhodia Inc.Inventors: Manilal S. Dahanayake, Gladys S. Gabriel, Ronald Brady Bell, Paul Joel Derian, Robert Gabriel
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Patent number: 6221831Abstract: A free-flowing built particulate laundry detergent composition comprises: (i) at least 27% by weight of non-soap organic detergent surfactant, (ii) one or more detergency builders, but not more than 7% by weight of alkali metal aluminosilicate, the weight ratio of surfactant to builder being at least 1.2:1.Type: GrantFiled: May 26, 1998Date of Patent: April 24, 2001Assignee: Lever Brothers Company, division of Conopco, Inc.Inventors: William Derek Emery, Andreas Theodorus Groot, Terry Instone, Seeng Djiang Liem, Kenneth Metcalfe, Richard George Smith, Gilbert Martin Verschelling
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Patent number: 6211136Abstract: A process for the production of pourable and free-flowing granular detergent composition components containing an active substance at least partly liquid at room temperature and a fine-particle carrier material for that active substance wherein the carrier material has a mean particle size of 3 &mgr;m to 0.5 mm by dropping the carrier material onto a rotating disk where it is radially accelerated by vanes arranged on the upper surface of said disk, and applying the liquid active substance to a stream of the carrier particles through an annular die formed by the outer edge of the rotating disk and a stator surrounding the disk.Type: GrantFiled: February 24, 1999Date of Patent: April 3, 2001Assignee: Henkel Kommanditgesellschaft Auf AktienInventors: Bernd Richter, Hans-Josef Beujean, Wolfgang Seiter
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Patent number: 6191093Abstract: Cotton soil release polymers comprising water soluble and/or dispersible, modified polyamines having functionalized backbone moieties and improved stability toward bleach. Also, laundry detergent compositions comprising these cotton soil release polymers.Type: GrantFiled: February 18, 2000Date of Patent: February 20, 2001Assignee: The Procter & Gamble CompanyInventors: Randall Alan Watson, Eugene Paul Gosselink
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Patent number: 6172027Abstract: The use of water-soluble copolymers which comprise (a) 5-20 mol % of N-vinylimidazole or 4-vinylpyridine N-oxide units, (b) 95-50 mol % of N-vinylpyrrolidone, N-vinyloxazolidone, methyl-N-vinylimidazole units or mixtures thereof and (c) 0-30 mol % of other monoethylenically unsaturated monomer units, and have an average molecular weight Mw of more than 50,000 as color transfer inhibitors in detergents.Type: GrantFiled: November 23, 1998Date of Patent: January 9, 2001Assignee: BASF AktiengesellschaftInventors: Dieter Boeckh, Stefan Stein, Angelika Funhoff, J{umlaut over (u)}rgen Alfred Lux, Hans-Ulrich J{umlaut over (a)}ger
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Patent number: 6150324Abstract: Solid block alkaline detergent compositions are disclosed comprising a source of alkalinity, and other detergent additives including sequestrants. The solid block detergents of the invention used a mixed inorganic and organic sequestrant composition that successfully softens service water used in manufacturing aqueous detergents from the composition, but also obtains substantially improved organic soil removal on dishware or flatware. The solid block detergents of the invention comprise large masses of the chemical ingredients having a weight of greater than about 500 grams in a solid block product format that is typically dispensed using a spray on water dispenser that creates an aqueous concentrate that is used in a washing machine.Type: GrantFiled: January 13, 1997Date of Patent: November 21, 2000Assignee: Ecolab, Inc.Inventors: Steven E. Lentsch, Keith E. Olson
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Patent number: 6140292Abstract: Detergent compositions and fabric laundering and treating methods utilize certain polyamide-polyamines as fabric treatment agents that can impart fabric appearance benefits to fabric laundered or treated in washing or soaking solutions which contain such agents. Such polyamide-polyamine fabric treatment agents include adipic acid-diethylenetriamine-epichlorohydrin adducts.Type: GrantFiled: June 30, 1999Date of Patent: October 31, 2000Assignee: The Procter & Gamble CompanyInventors: Sherri Lynn Randall, Rajan Keshav Panandiker
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Patent number: 6127331Abstract: The present invention relates to laundry detergent compositions which comprise an alkoxylated polyalkyleneimine soil dispersant having the formula: ##STR1## wherein R is C.sub.2 -C.sub.6 linear alkylene, C.sub.3 -C.sub.6 branched alkylene, and mixtures thereof; B is a continuation by branching; E is an alkyleneoxy unit having the formula:--(R.sup.1 O).sub.m (R.sup.2 O).sub.n R.sup.3wherein R.sup.1 is 1,2-propylene, 1,2-butylene, and mixtures thereof; R.sup.2 is ethylene; R.sup.3 is hydrogen, C.sub.1 -C.sub.4 alkyl, and mixtures thereof; m is from about 1 to about 10; n is from about 10 to about 40; w, x, and y are each independently from about 4 to about 200; provided at least one --(R.sup.1 O) unit is attached to the backbone prior to attachment of an --(R.sup.2 O) unit and further provided m+n is at least 12, said dispersants are compatible with bleach. The disclosed alkoxylated polyalkyleneimines are also suitable for use as soil dispersant in bleach-containing laundry pre-soaks and bleaching agents.Type: GrantFiled: June 23, 1998Date of Patent: October 3, 2000Assignee: The Procter & Gamble CompanyInventors: James Albert Cleary, Shulin Zhang, Eugene Paul Gosselink
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Patent number: 6127329Abstract: The present invention relates to detergent compositions or components thereof containing a detersive enzyme and one or more cationic surfactants of the formula:R.sup.1 R.sup.2 R.sup.3 R.sup.4 N.sup.+ X.sup.-in which R.sup.1 is a hydroxyalkyl group having no greater than 6 carbon atoms; each of R.sup.2 and R.sup.3 is independently selected from C.sub.1-4 alkyl or alkenyl; R.sup.4 is a C.sub.5-11 alkyl or alkenyl; and X.sup.- is a counterion.Type: GrantFiled: April 13, 1999Date of Patent: October 3, 2000Assignee: The Procter & Gamble CompanyInventors: Gerard Marcel Baillely, Robin Gibson Hall, Barry Thomas Ingram, Michael Alan John Moss
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Patent number: 6121226Abstract: Cotton soil release polymers comprising water soluble and/or dispersible, modified polyamines having functionalized backbone moieties and improved stability toward bleach. Also, laundry detergent compositions comprising these cotton soil release polymers having enhanced hydrophilic soil removal benefits in combination with a protease enzyme system are provided.Type: GrantFiled: July 16, 1999Date of Patent: September 19, 2000Assignee: The Procter & Gamble CompanyInventors: Eugene Paul Gosselink, Kenneth Nathan Price, Chanchal Kumar Ghosh
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Patent number: 6103678Abstract: The present invention relates to a fabric treatment composition comprising a hydrophilic perfume and an amino-functional polymer, whereby effective perfume substantivity on the treated fabrics is obtained.Type: GrantFiled: May 7, 1999Date of Patent: August 15, 2000Assignee: The Procter & Gamble CompanyInventors: Axel Masschelein, Christiaan Arthur Jacques Kamiel Thoen
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Patent number: 6093690Abstract: A process for producing an agglomerated detergent composition comprises premixing an acid precursor of a detersive surfactant and a water-soluble or dispersible, modified polyamine in a mixer to form a premix, inputting the premix and dry detergent materials such as builders into a high speed mixer/densifier and neutralizing the acid precursor to form agglomerates and further agglomerating in a moderate speed mixer/densifier to form a detergent composition having a bulk density of at least 650 g/l.Type: GrantFiled: February 26, 1999Date of Patent: July 25, 2000Assignee: The Procter & Gamble CompanyInventor: Benjamin Edgar Chapman
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Patent number: 6090372Abstract: An aqueous liquid detergent composition is substantially transparent in the absence of opacifier contains a sunscreen together less than 5 wt. % of detergency builder and/or comprises a water-miscible polar organic solvent. The solvent and fluorescer or ultraviolet absorbing agent are mixed together as a premix prior to incorporation in the composition as a whole.Type: GrantFiled: July 1, 1998Date of Patent: July 18, 2000Assignee: Lever Brothers Company, division of Conopco, Inc.Inventors: Timothy David Finch, Philippus Cornelis van der Hoeven, David Alan Reed, Helena Maria de Roo, Jonathan Frank Warr
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Patent number: 6087316Abstract: Cotton soil release polymers comprising water soluble and/or dispersible, modified polyamines having functionalized backbone moieties and improved stability toward bleach. Also, laundry detergent compositions comprising these cotton soil release polymers.Type: GrantFiled: November 3, 1998Date of Patent: July 11, 2000Assignee: The Procter & Gamble CompanyInventors: Randall Alan Watson, Eugene Paul Gosselink, Sanjeev Krishnadas Manohar
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Patent number: 6075000Abstract: The present invention relates to laundry detergent compositions which comprise bleach compatible hydrophobic soil dispersants. The dispersants are polyalkyleneimines having a backbone molecular weight of from about 2000 to about 5000 daltons and having most of the N--H unit hydrogens, preferably all N--H unit hydrogens substituted with from about 20 to about 50, alkyleneoxy units.Type: GrantFiled: June 23, 1998Date of Patent: June 13, 2000Assignee: The Procter & Gamble CompanyInventors: Robert Henry Rohrbaugh, James Albert Cleary, Shulin Zhang, Eugene Paul Gosselink
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Patent number: 6071869Abstract: This invention relates to aqueous cleaning formulations useful in the cleaning of textile fabrics such as carpets and upholstery. The cleaning formulations comprise a) detergent, b) fluorochemical soil-resist agent, c) stain-resist agent, and d) a stable aqueous dispersion of inorganic particulate matter selected from the group consisting of clay, colloidal silica, colloidal alumina, titanium dioxide, and mixtures thereof. The detergent, the fluorochemical soil-resist agent, the stain-resist agent and the inorganic particulate matter each have a flash point that is at least 100.degree. C.Type: GrantFiled: February 18, 1999Date of Patent: June 6, 2000Assignee: E. I. du Pont de Nemours and CompanyInventors: Joyce Monson Materniak, Charles Leonard Strickler
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Patent number: 6066612Abstract: The present invention encompasses detergent compositions comprising polymeric polycarboxylates and polyamine soil release agents. The composition has improved soil dispersancy properties, especially for polar soils.Type: GrantFiled: November 3, 1998Date of Patent: May 23, 2000Assignee: The Procter & Gamble CompanyInventors: Susumu Murata, Kenji Shindo, Ayako Muramatsu
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Patent number: 6057278Abstract: Cotton soil release polymers comprising water soluble and/or dispersible, modified polyamines having functionalized backbone moieties and improved stability toward bleach. Also, laundry detergent compositions comprising these cotton soil release polymers having enhanced hydrophilic soil removal benefits.Type: GrantFiled: September 7, 1999Date of Patent: May 2, 2000Assignee: The Procter & Gamble CompanyInventors: Eugene Paul Gosselink, Kenneth Nathan Price
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Patent number: 6046153Abstract: A process is provided in which selected modified polyamines are incorporated into fully formulated detergent compositions in a manner that unexpectedly results in enhanced cleaning performance. The process involves premixing the modified polyamine with a detersive surfactant or acid precursor thereof, and thereafter, adding adjunct ingredients such as builders and water. The entire mixture is then spray dried to form spray-dried granular detergent composition.Type: GrantFiled: July 9, 1999Date of Patent: April 4, 2000Assignee: The Procter & Gamble CompanyInventors: Benjamin Edgar Chapman, James Robert Lickiss, Randall Alan Watson
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Patent number: 6043209Abstract: There is provided an aqueous composition for cleaning fabrics and carpets and inhibiting the resoiling of fabric and carpets. The composition includes a water miscible organic solvent, a peroxygen compound, a surfactant, a polymeric or copolymeric soil resist, and a fluorinated hydrocarbon soil resist. The solvent is selected from isopropanol, propylene glycol methyl ether, dipropylene glycol methyl ether, or mixtures of two or more thereof. Compositions formed with these solvents and both soil resists are particularly stable and non-turbid.Type: GrantFiled: January 6, 1998Date of Patent: March 28, 2000Assignee: Playtex Products, Inc.Inventors: Robert P Micciche, Ann Marie Lynch, Uma Tripathi
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Patent number: 6025317Abstract: Porous polymers which are in powder form and contain N-vinylimidazole units and which are obtainable by free-radical precipitation polymerization ofa) 5-100% by weight of at least one N-vinylimidazole of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are identical or different and are H, C.sub.1 -C.sub.4 -alkyl, N-vinylaxazolidone, N-vinyltriazole, 4-vinylpyridine N-oxide or mixtures of said monomers,b) 0-95% by weight of other copolymerizable monoethylenically unsaturated monomers andc) 0-50% by weight of at least one monomer with at least two non-conjugated ethylenic double bonds in aqueous solution which contains 0.5-30% by weight of at least one electrolyte and, based on the monomers employed, 0.5-80% by weight of at least one surfactant, a process of the preparation thereof, and the use of the porous polymers.Type: GrantFiled: March 3, 1998Date of Patent: February 15, 2000Assignee: BASF AktiengesellschaftInventors: Stefan Stein, Dieter Boeckh, Christian Schade, Gerhard Rossler
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Patent number: 6010539Abstract: This invention relates to aqueous cleaning formulations particularly useful in the hot water extraction cleaning of textile fabrics such as rugs, carpets and upholstery. The cleaning formulations are essentially free of organic solvents and comprise 0.1 to 50 grams of an inorganic or organic builder per gallon of cleaning formulation, 0.1 to 100 grams of a mixed alkyl ethoxylate (C.sub.10 -C.sub.16) nonionic surfactant, with a hydrophile-lipophile balance value in the range of 10.5 to 15, per gallon of cleaning formulation, and 0.1 to 100 grams of a fluorosurfactant per gallon of cleaning formulation.Type: GrantFiled: October 6, 1997Date of Patent: January 4, 2000Assignee: E. I. Du Pont de Nemours and CompanyInventor: Thomas Wayne Del Pesco
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Patent number: 6008182Abstract: A process for preventing dye redeposition during the washing of a dyed fabric or garment made from natural fibers, which process incorporates as a dye redeposition inhibiting agent, a water-soluble or water-dispersible polyester resin composition comprising a reaction product of 20%-50% by weight of terephthalate polymer or waste terephthalate polymer, 10-40% by weight of at least one glycol and 5-25% by weight of at least one oxyalkylated polyol.Type: GrantFiled: June 22, 1998Date of Patent: December 28, 1999Assignee: Seydel Research, Inc.Inventors: Robert Keith Salsman, Brian J. Clark
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Patent number: 5998360Abstract: Soluble alkali metal silicates combined with antiredeposition agents can actually have a beneficial effect on bleach stabilisation if said antiredeposition agents are intimately mixed with an alkali metal silicate solution, the resulting product being then dried (spray drying, turbo drying, etc . . . ) into granules.Type: GrantFiled: April 13, 1998Date of Patent: December 7, 1999Assignee: Crosfield LimitedInventors: Keith R Cockett, Theo J Osinga
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Patent number: 5998357Abstract: A non-spray-dried particulate detergent composition or component having a bulk density of at least 600 g/liter, prepared by mixing and granulating liquid and solid ingredients in a high-speed mixer/granulator, contains a builder polymer and/or a soil-release polymer. The polymer is incorporated during the mixing and granulation process in the form of a non-aqueous premix with a non-aqueous diluent.Type: GrantFiled: August 29, 1996Date of Patent: December 7, 1999Assignee: Lever Brothers CompanyInventors: Peter Willem Appel, Francois Delwel, Johan Christiaan Klein-Velderman
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Patent number: 5977047Abstract: A laundry detergent composition in which the solids content comprises an active surfactant, at least about 60 wt. %, based on the weight of the solids of a soluble alkaline carbonate builder, and a minor amount of a carboxylic polymer which is a copolymer of about 70 to about 95 wt. % of acrylic acid and about 5 to about 30 wt. % of maleic acid based on the weight of the polymer, such copolymer having a number average molecular weight of about 1500 to about 2500. Preferably the composition also contains a minor amount of a protease enzyme.Type: GrantFiled: May 28, 1998Date of Patent: November 2, 1999Assignee: Church & Dwight Co., Inc.Inventor: Charles D. Carr
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Patent number: 5977275Abstract: The present invention relates to a water-soluble or water-dispersible polymer having pendant polysaccharide moieties. The invention also provides a method for cleaning an article and a method of providing soil resistance to an article using the polymers having pendant polysaccharide moieties. The polymers are useful in cleaning compositions such as laundry detergents, dishwashing detergents, prespotters, fabric softeners, and hard surface cleaners.Type: GrantFiled: February 17, 1998Date of Patent: November 2, 1999Assignee: National Starch and Chemical Investment Holding CorporationInventors: Klein A. Rodrigues, Allen M. Carrier, James B. Furr
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Patent number: 5955413Abstract: Organic solvent free carpet cleaning compositions maintain the stainblocking properties of factory applied treatments. The compositions contain a methacrylic acid polymer component, a sequestering agent, an anionic surfactant, and optionally water.Type: GrantFiled: October 24, 1997Date of Patent: September 21, 1999Assignee: 3M Innovative Properties CompanyInventors: Jason A. Campagna, Richard S. Smith
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Patent number: 5955414Abstract: An aerosol foam cleaning composition for carpets and other soft-furnishings is provided. It has a volatile hydrocarbon propellant, a surfactant, a foam stabilizer polymer, a stain repellent fluorocarbon, an amine oxide foam booster, and water. The foam does not release hydrocarbon propellant at such a rate so as to create flammability problems, yet provides adequate residual stain repellent.Type: GrantFiled: August 4, 1997Date of Patent: September 21, 1999Assignee: S. C. Johnson & Son, Inc.Inventors: Colin W. Brown, Gerald L. Hart, David F. Holmes
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Patent number: 5948744Abstract: Detergent compositions comprise, by weight, from 0.01% to 10% of a nonionic polysaccharide ether having a degree of polymerization of at least 100, and from 0.01% to 5% of a soil release agent. The soil release agent comprises at least one oxyalkylene unit and at least one terephthalate or substituted terephthalate unit and has a molecular weight of less than 10,000. The detergent composition comprises the polysaccharide ether and the soil release agent in a weight ratio of from 0.1:1 to 20:1.Type: GrantFiled: May 29, 1997Date of Patent: September 7, 1999Inventors: Gerard Marcel Baillely, Nour-Eddine Guedira, Robin Gibson Hall
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Patent number: 5925608Abstract: A detergent product comprising: (i) a foaming composition which includes: a surfactant, a detergent builder and less than 25%, by weight, of water; (ii) a propellant gas; and a (iii) a container. The viscosity of the foaming composition, measured at 20.degree. C. and 1 atmosphere, using a Brookfield viscometer, No. 2 Spindle at 60 rpm, is less than 700 mPa.multidot.s.Type: GrantFiled: January 13, 1998Date of Patent: July 20, 1999Assignee: The Procter & Gamble CompanyInventors: Michael Felix Spruyt, Eddy Vos
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Patent number: 5922663Abstract: A composition comprising a conventional surfactant, a gemini surfactant and a polymeric soil release agent. The conventional surfactant comprises a hydrophilic group and a hydrophobic group. The gemini surfactant comprises two surfactant moieties attached to each other by a spacer moiety; each surfactant moiety having at least one hydrophilic group and at least one hydrophobic group. The polymeric soil release agent can be any conventional polymeric soil release agent, but preferably comprising PET-POET copolymer. The compositions are useful as surfactant additive packages, detergents and fabric softeners.Type: GrantFiled: October 4, 1996Date of Patent: July 13, 1999Assignee: Rhodia Inc.Inventors: Robert Gabriel, Gladys Saliba Gabriel, Mark David Einziger
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Patent number: 5919271Abstract: The invention relates to a detergent composition which comprises a nonionic polysaccharide ether, a surfactant, a dye transfer inhibition agent, a cellulase enzyme and a chelating agents. In addition the invention further relates to a method of treating fabrics with the detergent composition.Type: GrantFiled: June 30, 1997Date of Patent: July 6, 1999Assignee: Procter & Gamble CompanyInventors: Gerard Marcel Baillely, Robin Gibson Hall, Nour-Eddine Guedira
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Patent number: 5876462Abstract: A dryer dry cleaning and freshening system is provided with a containment bag, a dispenser means formed of an absorbent polymeric material usually impregnated with liquid cleaning composition, and optionally means for absorbing loose particles and excess cleaning composition. A process for cleaning a garment is also provided. The system and process may be used in a home clothes dryer for dry cleaning.Type: GrantFiled: June 18, 1996Date of Patent: March 2, 1999Assignee: Reckitt & Colman Inc.Inventors: Jeanne Marie Weller, Elizabeth C. Mason, Robert William Bogart, Frank Anthony Lucia, III, Tracy Ann Ryan
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Patent number: 5851235Abstract: The present invention relates to a detergent composition comprising an amylase enzyme in combination with a nonionic polysaccharide ether for improved stain removal performance.Type: GrantFiled: July 16, 1997Date of Patent: December 22, 1998Assignee: The Procter & Gamble CompanyInventors: Gerard Marcel Baillely, Nour-Eddine Guedira, Robin Gibson Hall
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Patent number: 5843878Abstract: Detergent compositions comprising anionic ethoxylated or propoxylated hydroxy ethane and propane sulfonate, NaO.sub.3 SCH.sub.2 CH.sub.2 CH.sub.2 --O(CH.sub.2 CH.sub.2 O).sub.n -- end-capped esters useful as soil release agents. The esters further contain terephthalate units, oxy-1,2-alkyleneoxy units (oxyethyleneoxy units preferred), and sulfoisophthalate units.Type: GrantFiled: February 7, 1996Date of Patent: December 1, 1998Assignee: Procter & Gamble CompanyInventors: Eugene Paul Gosselink, Robert Ya-Lin Pan, Robin Gibson Hall
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Patent number: 5843192Abstract: The present invention provides a composition useful in a washing process containing at least one vinyl amide polymer. The vinyl amide polymer contains from 5 to 100 weight percent of at least one vinyl amide monomer, and from 0 to 95 weight percent of one or more vinyl ester monomers. The present invention also provides a method of cleaning an article and a method of providing soil resistance to an article using the vinyl amide polymer.Type: GrantFiled: July 9, 1996Date of Patent: December 1, 1998Assignee: Rohm and Haas CompanyInventors: Thomas Cleveland Kirk, Curtis Schwartz, Richard James Tallent, Thomas Lawrence Pytlewski
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Patent number: 5837666Abstract: Detergent compositions comprise from 0.05 to 2 percent by weight of methyl cellulose ether having a solution viscosity measured at a temperature of 20.degree. C. as a 2 wt % aqueous solution of from 80 to 120 centipoise and an average degree of methyl substitution per anhydroglucose of from about 1.6 to about 2.3, from 25 to 65 percent by weight of detergent surfactant, from 0 to 20 percent by weight of bleaching component, and from 30 to 70 percent by weight of builder and alkaline material. The compositions may be used in a method of washing polyester fabric in cold water.Type: GrantFiled: December 16, 1996Date of Patent: November 17, 1998Assignee: The Procter & Gamble CompanyInventors: Susumu Murata, David Johnathan Kitko, Kiyomi Shimamura, Allen David Clauss