Plural Sulfur-containing, Anionically Substituted Surfactants Patents (Class 510/352)
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Patent number: 6391844Abstract: A non-tower process for continuously preparing a granular detergent composition having a density of at least about 600 g/l is provided. The process comprises the steps of: (a) dispersing a surfactant, and coating the surfactant with fine powder having a diameter from 0.1 to 500 microns, while wetting the surfactant coated with the fine powder with finely atomized liquid, in a mixer, and (b) thoroughly mixing the agglomerates in a mixer. Step (b) can also be followed by further step (c), i.e., granulating the agglomerates from step (b) in one or more fluidizing apparatus, during which further coating can be used to prevent over-agglomeration.Type: GrantFiled: April 1, 1999Date of Patent: May 21, 2002Assignee: The Procter & Gamble CompanyInventors: Wayne Edward Beimesch, Manivannan Kandasamy
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Patent number: 6369015Abstract: A particulate laundry detergent is composed of at least two different granular components, one of which is an anionic surfactant granule having a bulk density of 300-600 g/l comprising linear alkylbenzene sulphonate on a particulate carrier material comprising of sodium carbonate and an optional finely-divided water-insoluble particulate material, preferably zeolite, which must be present if the average particle size of the sodium carbonate exceeds 40 &mgr;m. Also present is at least one other selected granular detergent component. The anionic surfactant granule may be prepared by in-situ neutralisation of alkylbenzene sulphonic acid with sodium carbonate in a fluidised bed.Type: GrantFiled: November 18, 1999Date of Patent: April 9, 2002Assignee: Unilever Home & Personal Care, USA division of Conopco, Inc.Inventors: Andreas Theodorus Johannes Groot, Marco Klaver
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Patent number: 6291418Abstract: An improvement is described in thickened all purpose liquid cleaning composition and microemulsion composition which are especially effective in the removal of oily and greasy soil and contains an anionic detergent, an ethoxylated/propoxylated nonionic surfactant, a short chain amphiphile or a water soluble cosurfactant, a polymeric thickener, a hydrocarbon ingredient, and water and optionally, an ethoxylated nonionic surfactant.Type: GrantFiled: June 7, 2000Date of Patent: September 18, 2001Assignee: Colgate Palmolive CompanyInventors: Baudouin Mertens, Claude Blanvalet, Myriam Mondin
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Patent number: 6274540Abstract: A cleaning composition comprising: a) about 0.1% to about 99.9% by weight of said composition of an alkylarylsulfonate surfactant system comprising from about 10% to about 100% by weight of said surfactant system of two or more crystallinity-disrupted alkylarylsulfonate surfactants of formula (B-Ar-D)a(Mq+)b(Defined herein after); and b) from about 0.00001% to about 99.9% by weight of said composition of cleaning composition adjunct ingredients, at least one of which is selected from the group consisting of: i) detersive enzymes; ii) organic detergent builders; iii) oxygen bleaching agent; iv) bleach activators; v) transition metal bleach catalysts; vi) oxygen transfer agents and precursors; vii) polymeric soil release agents; viii) water-soluble ethoxylated amines having clay soil removal and antiredeposition properties; ix) polymeric dispersing agents; x) polymeric dye transfer inhibiting agents; xi) alkoxylated polycarboxylates; and xii) mixtures thereof.Type: GrantFiled: January 7, 2000Date of Patent: August 14, 2001Assignee: The Procter & Gamble CompanyInventors: Jeffrey John Scheibel, Thomas Anthony Cripe, Kevin Lee Kott, Daniel Stedman Connor, James Charles Theophile Roger Burckett-St. Laurent, Phillip Kyle Vinson
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Patent number: 6251846Abstract: Detergent compositions and fabric conditioning compositions which utilize certain anionically modified, oxidized cyclic amine based polymers, oligomers or copolymer materials. These anionically modified, cyclic amine based polymers, oilgomers or copolymers materials can impart fabric appearance and integrity benefits to fabrics and textiles laundered in washing solutions which contain such materials.Type: GrantFiled: March 14, 2000Date of Patent: June 26, 2001Assignee: The Procter & Gamble CompanyInventors: Rajan Keshav Panandiker, Sherri Lynn Randall, Eugene Paul Gosselink, William Conrad Wertz, Soren Hildebrandt, Elisabeth Kappes, Dieter Boeckh
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Patent number: 6248709Abstract: A process for continuously preparing a free flowing agglomerate having a reduced level of resulting undesirable oversized granules is provided. The process comprises the steps of (a) thoroughly mixing a crystalline anionic surfactant paste with a sufficient amount of fine powders of starting detergent materials to form a free flowing agglomerate, then (b) thoroughly mixing a product of the step (a) with a non-crystalline anionic surfactant paste so as to form a free flowing agglomerate.Type: GrantFiled: August 25, 1999Date of Patent: June 19, 2001Assignee: The Procter & Gamble CompanyInventors: Manivannan Kandasamy, Kenji Naemura
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Patent number: 6239087Abstract: Detergent compositions containing certain acetals or ketals which hydrolyze upon exposure of surfaces washed in solution of said compositions to a reduction in pH, thereby releasing a fragrance which is characteristic of one or more of the hydrolysis products. The acetals and ketals themselves also form part of the invention; they have a molecular weight of at least about 350; a ClogP of about 4, and a half-life of less than 60 minutes when measured at pH=0 by the pro-fragrant hydrolysis test.Type: GrantFiled: September 22, 1998Date of Patent: May 29, 2001Assignee: The Procter & Gamble CompanyInventors: Hsiang Kuen Mao, Joseph Paul Morelli, Henry Cheng Na, Robert Ya-Lin Pan, Mark Robert Sivik
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Patent number: 6239093Abstract: This invention relates to a liquid cleaning composition or shampoo comprising a surfactant system containing a dianionic or alkoxylated dianionic surfactant having a structural skeleton of at least five carbon atoms to which two anionic substituent groups spaced at least three atoms apart are attached, wherein one anionic substituent group is a sulfate group or an alkoxy-linked sulfate group and the other anionic substituent is selected from sulfate and sulfonate optionally alkoxy-linked, in combination with one or more other co-surfactants.Type: GrantFiled: December 22, 1998Date of Patent: May 29, 2001Assignee: The Procter & Gamble CompanyInventors: Peter Robert Foley, Jean-Luc Philippe Bettiol, John Michael Gardlik, Curtis Bobby Motley, Stephen Wayne Heinzman, Barry Thomas Ingram, Alison Lesley Main
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Patent number: 6228828Abstract: Detergent compositions and fabric conditioning compositions which utilize certain anionically modified, oxidized cyclic amine based polymers, oligomers or copolymer materials. These anionically modified, cyclic amine based polymers, oilgomers or copolymers materials can impart fabric appearance and integrity benefits to fabrics and textiles laundered in washing solutions which contain such materials.Type: GrantFiled: March 14, 2000Date of Patent: May 8, 2001Assignee: The Procter & Gamble CompanyInventors: Rajan Keshav Panandiker, Sherri Lynn Randall, Eugene Paul Gosselink, William Conrad Wertz, Soren Hildebrandt, Elisabeth Kappes, Dieter Boeckh
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Patent number: 6207633Abstract: A granular detergent composition which includes a surfactant system containing linear alkylbenzene sulfonate, acyclic quaternary ammonium salt, alkyl sulfate and alkyl ethoxy sulfate surfactants in selected molar ratios is provided. The composition has improved performance in cold temperature (i.e., 5° C. to 30° C.) laundering operations.Type: GrantFiled: December 16, 1999Date of Patent: March 27, 2001Assignee: The Procter & Gamble CompanyInventors: Darla Bonar Kettenacker, Eugene Joseph Pancheri, Jacqueline Westfield, Rose Marie Weitzel
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Patent number: 6169060Abstract: A body and hair cleanser composition that is non irritating to the skin and eyes is disclosed. The cleanser composition contains a) a sulfosuccinate anionic surfactant, b) a polyoxyethylene-alkylsulfate anionic surfactant; c) at least one amphoteric surfactant; and d) a polyoxyethylene-sorbitan nonionic surfactant. The weight ratio of sulfosuccinate anionic surfactant to polyoxyethylene-alkylsulfate anionic surfactant is about 1:0.25 to about 1:2, and the weight ratio of sulfosuccinate anionic surfactant to total amount of amphoteric surfactant is about 1:0.25 to about 1:2.Type: GrantFiled: December 3, 1999Date of Patent: January 2, 2001Assignee: Johnson & Johnson Kabushiki KaishaInventor: Shinji Taniuchi
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Patent number: 6165972Abstract: A solid surfactant mixture, comprising one or more fatty acid polyhydroxyamides of the formula IRCONR.sup.1 Z (1)in which R is C.sub.7 -C.sub.31 -alkyl or C.sub.7 -C.sub.31 -alkenyl, Z is a polyhydroxyhydrocarbon group having at least two hydroxyl groups, which may also be alkoxylated, and R.sup.1 is C.sub.1 -C.sub.8 -alkyl or a group of the formula --(CH.sub.2).sub.x NR.sup.2 R.sup.3 or R.sup.4 O(CH.sub.2).sub.n --, R.sup.2 and R.sup.3 are C.sub.1 -C.sub.4 -alkyl or C.sub.2 -C.sub.4 -hydroxyalkyl, R.sup.4 is C.sub.1 -C.sub.4 -alkyl and x is a number from 1 to 10 and n is a number from 2 to 4, one or more other nonionic surfactants and/or one or more anionic surfactants.Type: GrantFiled: September 2, 1999Date of Patent: December 26, 2000Assignee: Clariant GmbHInventors: Frank Weinelt, Helmut Keck
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Patent number: 6165961Abstract: A water-free surfactant composition containing: (a) a fatty alcohol sulfate corresponding to the formula R.sup.1 O--SO.sub.3 X, where R.sup.1 is a linear alkyl chain, and X is an alkali metal, alkaline earth metal, ammonium, alkyl ammonium, alkanolammonium or glucammonium; and (b) an alkyl benzenesulfonate corresponding to the formula R.sup.2 --Ph--SO.sub.3 X where R.sup.2 is an alkyl chain containing 10 to 14 carbon atoms, Ph is a phenyl group and X is alkali metal, alkaline earth metal, ammonium, alkyl ammonium, alkanolammonium or glucammonium. The fatty alcohol sulfate and alkyl benzenesulfonate are present in the surfactant composition in a weight ratio of 50:50 to 90:10. The water-free surfactant composition provides a reduced potential for irritation, good flow behavior and solubility in cold water. The surfactant composition is useful in laundry detergents, dishwashing detergents and cleaners.Type: GrantFiled: May 20, 1999Date of Patent: December 26, 2000Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Karl-Heinz Schmid, Ditmar Kischkel, Thomas Krohnen, Andreas Syldath
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Patent number: 6165967Abstract: Laundry granular detergent compositions useful for hand wash and machine-assisted hand wash laundry operations. The composition contains 5% to 40% of a surfactant, the surfactant containing: 1) 60% to 95% primary anionic surfactant selected from alkylbenzene sulfonate, alkyl sulfate, and mixtures thereof; and 2) 2.5% to 18% alkyl ethoxy ether sulfate (AES) surfactant having an average of from about 1 to about 9 moles ethoxy per mole surfactant, the ratio of alkylbenzene sulfate and alkyl sulfate surfactant to alkyl ethoxy ether sulfate surfactant being within the range of from about 30:1 to about 4:1. The composition also preferably contains 2.0% to 5.5% hydroxyalkyl quaternary ammonium cationic surfactant, the ratio of alkylbenzene sulfonate and alkyl sulfate surfactant to such cationic surfactant being from 40:1 to 16:1.Type: GrantFiled: February 26, 1999Date of Patent: December 26, 2000Assignee: The Procter & Gamble CompanyInventors: Ricardo Alfredo Prada-Silvy, Francisco Ramon Figueroa, Ricardo Alberto Icaza-Franceschi, Ricardo Leal-Macias, Edgar Manuel Marin-Carrillo
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Patent number: 6162781Abstract: Foam control granules, for use in particulate laundry detergent compositions, comprise a mobile hydrophobic foam control agent, preferably silicone oil in admixture with hydrophobic silica, optionally combined with a mixture of a hydrocarbon such as petroleum jelly and an alkylphosphoric acid salt, sorbed onto a porous absorbent inorganic carrier comprising or consisting of anhydrous sodium carbonate, preferably light soda ash. When such granules are prepared by mixing and granulating in a high shear mixer/granulator, the addition of from 1 to 10 wt % water after mixing and granulation results in granules having improved flow properties.Type: GrantFiled: August 12, 1999Date of Patent: December 19, 2000Assignee: Lever Brothers Company, div. of Conopco Inc.Inventors: Marinela Buscan, Francois Delwel, Angela Di-Pietro
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Patent number: 6159921Abstract: A detergent composition comprising: (a) an alkali component selected from the group consisting of sodium hydroxide, sodium carbonate, monoethanolamine, diethanolamine, triethanolamine, and mixtures thereof; and (b) a dye transfer inhibition additive selected from the group consisting of: (i) a sugar surfactant selected from the group consisting of an alkyl polyglycoside having general formula (I)R.sub.1 O(Z).sub.a Iwherein R.sub.1 is a monovalent organic radical having from about 6 to about 30 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; a is a number having a value from 1 to about 6, an alkyl glucose ester, an aldobionamide, a gluconamide, a glyceramide, a glyceroglycolipid, a polyhydroxy fatty acid amide and mixtures thereof; (ii) an alkyl sulfate; (iii) an aminocarboxylic acid amphoteric surfactant; and (iv) mixtures of (i), (ii), and (iii).Type: GrantFiled: February 28, 1997Date of Patent: December 12, 2000Assignee: Henkel CorporationInventors: Sureshchandra G. Desai, Michael Hansberry, George A. Smith, Charles B. Allen, J. Frederick Hessel
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Patent number: 6156721Abstract: The present invention relates to the use of anionic gemini tensides of the formula (I) ##STR1## in which R.sup.1 and R.sup.3 are, mutually independently, a hydrocarbon radical with 1 to 22 carbon atoms, R.sup.2 is a spacer containing 0 to 100 alkoxy groups, and X and Y, mutually independently, are functional groups and the degree of substitution Z=1 to 10, in washing, cleaning and body care agents in which the proportion of said tensides amounts to at least 0.1%.Type: GrantFiled: October 23, 1998Date of Patent: December 5, 2000Assignee: RWE-DEA Aktiengesellschaft fuer Mineraloel und ChemieInventors: Klaus Kwetkat, Michael Brock, Herbert Koch
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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: 6117832Abstract: The aqueous cleaning solution of the present invention comprises triethanolamine dodecylbenzene sulfonate, nonylphenoxy poly(ethyleneoxy)ethanol, triethanolamine lauryl sulfate, dinonylphenoxy poly(ethyleneoxy)ethanol, and sodium xylene sulfonate. The instant aqueous cleaning solution preferably comprises 1.6.+-.0.16 pounds per gallon of triethanolamine dodecylbenzene sulfonate, 0.5.+-.0.05 pounds per gallon of nonylphenoxy poly(ethyleneoxy)ethanol 0.5.+-.0.05 pounds per gallon of triethanolamine lauryl sulfate. 0.6.+-.0.06 pounds per gallon of dinonylphenoxy poly(ethyleneoxy)ethanol, and 0.4.+-.0.04 pounds per gallon of sodium xylene sulfonate.Type: GrantFiled: October 13, 1999Date of Patent: September 12, 2000Assignee: AJ Prospect Laboratories, Inc.Inventor: Andrew Chweh
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Patent number: 6114297Abstract: The detergent composition for clothes washing includes (I) surfactant components including:A) one or more sulfonate-type anionic surfactants; and B) at least one of nonionic surfactants and sulfate-type anionic surfactants, wherein a weight ratio of Component B to Component A is B/A=1/10 to 2/1; and(II) components including:C) one or more alkali metal silicates; and D) one or more metal ion capturing agents other than component C), wherein a weight ratio of Component C to Component D is C/D=1/15 to 5/1. Here, a total amount of the components (I) is from 20 to 50% by weight, and a total amount of the components (II) is from 30 to 80% by weight, and the detergent composition has a bulk density of 0.6 g/cc or more.Type: GrantFiled: September 9, 1998Date of Patent: September 5, 2000Assignee: Kao CorporationInventors: Shu Yamaguchi, Hitoshi Tanimoto, Masaki Tsumadori
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Patent number: 6087314Abstract: The present invention relates to detergent compositions having a pH of at least 8.0 in a 0.5% by weight aqueous solution containing a mixture of AS and LAS surfactants and cationic surfactants of the formula: R.sup.1 R.sup.2 R.sup.3 R.sup.4 N+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 -C.sub.4 alkyl or alkenyl; R.sup.4 is one or mixtures of more than one of C.sub.5-11 alkyl or alkenyl; and X.sup.- is a counterion which does not substantially exchange with a hydroxide ion at 20.degree. C. in a 0.5% by weight solution of the detergent composition.Type: GrantFiled: April 19, 1999Date of Patent: July 11, 2000Assignee: The Procter & Gamble CompanyInventors: Stephen Wayne Heinzman, Robin Gibson Hall, Peter Gerard Gray
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Patent number: 6087321Abstract: Liquid detergent compositions are presented which comprise at least 5%, by weight, anionic surfactants selected from the group of alkyl alkoxy sulfates and alkyl sulfates wherein at least 25%, by weight of the anionic surfactant, is alkyl sulfates; and from about 0.1% to about 5% of an amine cosurfactant of the formula: ##STR1## wherein R.sub.1 is a C.sub.8 -C.sub.12 alkyl group; n is from about 2 to about 4, X is an optional bridging group which is selected from NH, CONH, COO, or O; and R.sub.3 and R.sub.4 are individually selected from H, C.sub.1 -C.sub.4 alkyl, or (CH.sub.2 --CH.sub.2 --O(R.sub.5)) wherein R.sub.5 is H or methyl.Type: GrantFiled: June 8, 1998Date of Patent: July 11, 2000Assignee: The Procter & Gamble CompanyInventors: Rajan Keshav Panandiker, Dimitris Lappas, Robert W. Boswell
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Patent number: 6046148Abstract: A light duty liquid detergent with desirable cleansing properties to the human skin comprising a C.sub.8-18 ethoxylated alkyl ether sulfate anionic surfactant, a sulfonate anionic surfactant, an organic acid and water.Type: GrantFiled: October 1, 1999Date of Patent: April 4, 2000Assignee: Colgate-Palmolive Co.Inventors: Christine Toussaint, Jean Massaux, Isabelle Leonard, Claude Blanvalet
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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: 6017874Abstract: The present disclosure relates to a liquid detergent composition comprising a surfactant system which is free of linear alkyl benzene sulfonate. The detergent composition comprises a selected quaternary ammonium surfactant, and an anionic surfactant selected from the group consisting of alkyl alkoxy sulfates and alkyl sulfates.Type: GrantFiled: March 27, 1998Date of Patent: January 25, 2000Assignee: The Procter & Gamble CompanyInventors: Dimitris Lappas, Rajan Keshav Panandiker, Thomas Wilhelm Horner
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Patent number: 6017873Abstract: Two processes for producing agglomerated high density detergent compositions are provided. On process comprises blending secondary (2,3) alkyl sulfate with a detergency builder to form a homogeneous powder mixture which is agglomerated with a surfactant paste mixture comprising C.sub.10-20 linear alkylbenzene sulfonates, C.sub.10-20 alkyl sulfates, C.sub.10-18 alkyl ethoxy sulfates having from about 1 to about 7 ethoxy groups, alcohol ethoxylates and polyethylene glycol and drying the agglomerates. Another process comprises blending secondary (2,3) alkyl sulfate with a detergency builder to form a homogeneous powder mixture which is agglomerated with a liquid acid precursor of C.sub.10-20 linear alkylbenzene sulfonate so as to form an agglomerated detergent composition which has a density of at least about 650 g/l.Type: GrantFiled: February 24, 1999Date of Patent: January 25, 2000Assignee: The Procter & Gamble CompnayInventors: Stephen William Sikra, James Bert Royston
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Patent number: 5994285Abstract: A stable structured liquid laundry detergent composition is provided which is particularly effective for removing oily soils from fabrics. The detergent composition comprises, by weight:(a) from about 10% to about 20% of a linear alkyl benzene sulfonate anionic surfactant;(b) from about 0% to about 10% of an alkyl ether sulfate anionic surfactant;(c) from about 5% to about 30% of an alkali metal phosphorous-containing builder;(d) from about 2% to about 15% of sodium carbonate; the total amount of components (c) plus (d) in the detergent composition being at least about 10%;(e) from about 0.1% to about 5% of an ethoxylated amine quaternary cationic surfactant having the following structural formula: ##STR1## wherein R.sub.1 represents a linear branched or substituted C.sub.8 -C.sub.18 alkyl, alkaryl, aryl, alkenyl or ether moiety; R.sub.Type: GrantFiled: June 14, 1999Date of Patent: November 30, 1999Assignee: Colgate-Palmolive Co.Inventors: Amit Sachdev, Suzanne M. Jogun
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Patent number: 5994283Abstract: All purpose cleaning or microemulsion compositions more environmentally friendly, which is especially effective in the removal of a mixture of oil and kaolin soil, contains a negatively charged complex, a hydrocarbon ingredient, a Lewis base, neutral polymer, a cosurfactant, and water.Type: GrantFiled: December 1, 1998Date of Patent: November 30, 1999Assignee: Colgate Palmolive CompanyInventors: Patrick Durbut, Anne-Marie Misselyn, Guy Broze
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Patent number: 5962395Abstract: The present invention relates to a method of enhancing low temperature stability of lamellar structured liquid cleansing compositions comprising 5% to 50% of a surfactant system comprising (a) anionic or mixture of anionics and (b) an amphoteric and/or zwifterionic surfactant, wherein said method comprises selecting component (b) such that alkalimetal alkylamphoacetate comprises greater than 25% to 90% of said component (b).Type: GrantFiled: September 16, 1997Date of Patent: October 5, 1999Assignee: Lever Brothers CompanyInventors: Sudhakar Puvvada, Richard Kolodziej, May Shana'a
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Patent number: 5958858Abstract: Detergent compositions comprising: a) a dianionic cleaning agent comprising a structural skeleton of at least five carbon atoms to which two anionic substituent groups spaced at least three atoms apart are attached, wherein one anionic substituent group is a sulfate group and the other anionic substituent is selected from sulfate and sulfonate; b) a nonionc surfactant (preferably alkyl ethoxylates, especially alkyl ethoxylates having an average of at least 3 ethoxylates); c) in total, less than about 20% by weight anionic surfactants; d) optionally, co-surfactants selected from the group consisting of amphoteric surfactants, zwitterionic surfactants, cationic surfactants, and mixtures thereof; and e) detergent composition adjunct ingredients; and wherein the weight ratio of anionic surfactant to nonionic surfactant plus any optional co-surfactant d) is with the range of from about 1:1 to about 1:10.Type: GrantFiled: June 25, 1997Date of Patent: September 28, 1999Assignee: The Procter & Gamble CompanyInventors: Jean-Luc Philippe Bettiol, Peter Robert Foley, Stephen Wayne Heinzman, Barry Thomas Ingram, Alison Lesley Main
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Patent number: 5952285Abstract: A liquid detergent composition containing water; surfactant in a concentration which would in the absence of electrolyte form a pourable hexagonal, or cubic phase at 20.degree. C.; and sufficient dissolved electrolyte to form a substantially Newtonian or optically isotropic liquid.Type: GrantFiled: May 30, 1997Date of Patent: September 14, 1999Assignee: Albright & Wilson LimitedInventor: John Hawkins
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Patent number: 5945394Abstract: Disclosed are detergent compositions comprising:(a) an .alpha.-sulfonated alkyl ester of a fatty acid having an average of about 12-14 carbon atoms;(b) an anionic surfactant; and(c) a nonionic surfactant, and methods for preparing such compositions.Type: GrantFiled: July 31, 1997Date of Patent: August 31, 1999Assignee: Stepan CompanyInventors: Branko Sajic, Irma Ryklin, Arshad Malik
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Patent number: 5942485Abstract: Concentrated heavy duty liquid laundry detergent compositions containing an anionic surfactant component, polyhydroxy fatty acid amide surfactant and a water-soluble salt of toluene sulfonic acid, and containing no more than about 50% water. The concentration of all surfactants in the detergent compositions is greater than about 10% by weight of the composition. The anionic surfactant component comprises between about 50% and 100% alkyl polyethoxylate sulfates. The compositions are substantially clear and isotropic when prepared and remain stable after extended periods of time and under extreme conditions. Toluene sulfonate salts, although known hydrotropes, provides improved phase stability to the compositions unlike other standard hydrotropes and solvents.Type: GrantFiled: February 5, 1996Date of Patent: August 24, 1999Assignee: The Procter & Gamble CompanyInventor: Kenneth M. Kemen
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Patent number: 5929022Abstract: Laundry detergent compositions containing amine detersive surfactants and specifically selected perfume components which reduce the malodor of the amine are provided.Type: GrantFiled: February 5, 1998Date of Patent: July 27, 1999Assignee: The Procter & Gamble CompanyInventor: Jose Maria Velazquez
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Patent number: 5922664Abstract: Aqueous detergent concentrates containing a mixture of two or more surfactants having a differing resistance to electrolytic salting out in the form of micellar solutions and having pourable viscosities are converted into lamellar solutions upon dilution with water where the dispersion contains a viscosity promoting electrolyte present at a narrow range of concentration. Transformation from the micellar phase to the lamellar phase produces an increase in viscosity such that the diluted concentrate has a viscosity equal to or higher than the viscosity of the original concentrate.Type: GrantFiled: May 6, 1997Date of Patent: July 13, 1999Assignee: Colgate-Palmolive Co.Inventors: Hoai-Chau Cao, Patricia Pagnoul
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Patent number: 5922670Abstract: Dimer alcohol bis-sulfates, trimer alcohol tris-sulfates and ether sulfates thereof are prepared by reacting dimer alcohols, trimer alcohols, or alkylene oxide adducts thereof with a sulfating agent, and then neutralizing the reaction product with an aqueous base material.Type: GrantFiled: October 1, 1997Date of Patent: July 13, 1999Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Georg Knuebel, Alfred Westfechtel, Gerhard Hermanns, Rainer Hoffmann, Hans-Christian Raths
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Patent number: 5912221Abstract: The present invention relates to laundry detergent compositions which are suitable for use in inhibiting the re-deposition of fugitive dyes onto fabric during the course of the laundry process, said compositions comprising:a) 0.01% to 3% by weight, of a substantially water-insoluble polymeric dye transfer inhibiting agent, said agent consisting of a substantially water-insoluble cross linked polymer selected from the group consisting of polyamine N-oxide polymers; copolymers of N-vinylpyrrolidone and N-vinylimidazole; polyvinylpyrrolidones; polyvinyloxazolidones; polyvinylimidazoles; and mixtures thereof; wherein said agents have a particle size less than 50 microns;b) from 0.2% to 25% by weight of a surfactant system, said surfactant system comprising one or more detersive surfactants selected from the group consisting of anionic, nonionic, cationic, zwitterionic, ampholytic surfactants, and mixtures thereof; andc) the balance carriers and adjunct ingredients.Type: GrantFiled: June 20, 1997Date of Patent: June 15, 1999Assignee: Procter & Gamble CompanyInventors: Petrus Johannes Van Leeuwen, Andre Christian Convents, Alfred Busch, Thierry Laurent Cachet, Conny Erna Alice Joos
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Patent number: 5866524Abstract: The invention relates to a foam composition for cleaning textiles comprising detergent active components, including a surfactant system. The surfactant system consists of anionic surfactant and, optionally, nonionic surfactant, at a level of at least 18% by weight. Preferably both anionic and nonionic surfactants are present in the surfactant system of the foam. The invention also relates to a method of cleaning textiles using foamed compositions, and also to a packaged product for delivering the foamed compositions.Type: GrantFiled: September 27, 1996Date of Patent: February 2, 1999Assignee: Procter & Gamble CompanyInventor: Jean Wevers
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Patent number: 5866531Abstract: A process for producing detergent tablets containing more than 10% by weight of anionic surfactant wherein the detergent tablets contain detergent components which are at least partly in hydrated form and the anionic surfactant is present in the form of one or more compounds containing up to 95% by weight of surfactants, by exposing a mixture of the detergent components and the anionic surfactant to microwaves in the frequency range from 3 to 300,000 MHz.Type: GrantFiled: March 26, 1997Date of Patent: February 2, 1999Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Georg Assmann, Hans-Friedrich Kruse, Jochen Jacobs, Volker Bauer, Guenther Vogt, Heinz-Manfred Wilsberg, Sandra Witt
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Patent number: 5863878Abstract: This invention provides a liquid laundry detergent product with high detergency and freeze/thaw and high/low temperature stability. The detergent product is an aqueous medium having a content of sodium carbonate detergent builder, and a surfactant blend of specific amounts of two anionic salt compounds and two nonionic compounds of specific chemical structure, and an amphoteric compound.Type: GrantFiled: August 5, 1997Date of Patent: January 26, 1999Assignee: Church & Dwight Co., Inc.Inventors: Charles D. Carr, John Ip
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Patent number: 5858950Abstract: Liquid detergent compositions containing a branched anionic surfactant. These compositions are low sudsing and have improved hydrophobic greasy soil removal performance.Type: GrantFiled: April 4, 1996Date of Patent: January 12, 1999Assignee: The Procter & Gamble CompanyInventors: Athanasios Surutzidis, Andrew Albon Fisk, Jean-Pol Boutique, Roger Jeffery Jones
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Patent number: 5858951Abstract: This invention provides a liquid laundry detergent product with freeze/thaw and high/low temperature stability. The detergent product is an aqueous medium having a content of sodium carbonate detergent builder, and a surfactant blend of specific amounts of two anionic salt compounds and two nonionic compounds of specific chemical structure.Type: GrantFiled: May 5, 1997Date of Patent: January 12, 1999Assignee: Church & Dwight Co., Inc.Inventors: John Ip, Charles D. Carr, Francis R. Cala, Anthony J. Falotico
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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
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Patent number: 5824633Abstract: Heterogenous surfactant granules consisting of an inner core containinga) alkyl sulfates corresponding to formula (I):R.sup.1 O--SO.sub.3 X (I)in which R.sup.1 is an alkyl radical containing 16 to 18 carbon atoms and X is an alkali metal or alkaline earth metal, ammonium, alkylammonium, alkanolammonium or glucammonium, andb1) alkyl sulfates corresponding to formula (II):R.sup.2 O--SO.sub.3 X (II)in which R.sup.2 is an alkyl radical containing 12 to 14 carbon atoms and X is as defined above, orb2) alkyl ether sulfates corresponding to formula (III):R.sup.3 O(CH.sub.2 CH.sub.2).sub.n SO.sub.3 X (III)in which R.sup.3 is an alkyl radical containing 16 to 18 carbon atoms, n is a number of 1 to 3 and X is as defined above,and a coating over the inner core consisting of alkyl sulfates corresponding to formula (II), with the provisos that the ratio by weight of component a) to component b) in the inner core is 100:0 to 30:70, and the ratio by weight of the inner core to the coating is 99.5:0.5 to 90:10.Type: GrantFiled: January 31, 1997Date of Patent: October 20, 1998Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Ditmar Kischkel, Karl Schmid, Andreas Syldath, Thomas Krohnen
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Patent number: 5804544Abstract: A granular detergent composition is provided containing (a) from 3% to 30% by weight of the composition of a surfactant system containing from 30% to 100% by weight of the surfactant system of high-sudsing surfactant selected from alkyl sulfate, alkyl ethoxysulfate, polyhydroxy fatty acid amide surfactant, and mixtures thereof; (b) from 0.05% to 20% of the composition of a suds suppressing system comprising in combination(i) a spray on component, comprising antifoam compound and a carrier fluid wherein said spray-on component is incorporated into said granular detergent composition by being sprayed on to one or more of the granular components of the composition(ii) a particulate component, comprising in combination an antifoam compound and a water-soluble or water-dispersible carrier material, wherein said granular detergent composition is free from alkyl benzene sulfonate surfactant.Type: GrantFiled: July 5, 1996Date of Patent: September 8, 1998Assignee: Procter & Gamble CompanyInventors: Suzanne Powell, Christiaan Arthur Thoen
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Patent number: 5798329Abstract: Liquid laundry detergent compositions provide good detergency for the cleaning of garments and textiles, as well as further providing a germicidal action to textile fabrics in a domestic laundering process.Type: GrantFiled: June 20, 1996Date of Patent: August 25, 1998Assignee: Reckitt & Colman Inc.Inventors: Timothy J. Taylor, Alan F. Richter
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Patent number: 5783548Abstract: The present invention relates to inhibiting dye transfer compositions comprising:(A) from 0.01% to 5% of a polyamine N-oxide polymer,(B) from 0.01% to 1% of a brightener, and(C) from 5% to 30% of a non-aromatic anionic surfactant.Type: GrantFiled: December 31, 1996Date of Patent: July 21, 1998Assignee: The Procter & Gamble CompanyInventors: Abdennaceur Fredj, Patrick Willy M. Goethals
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Patent number: 5783543Abstract: A carpet cleaning composition comprising: (a) a powder-form solid adsorbent; (b) rollable particles of porous material, each particle having a length greater than 1 mm, and a diameter equal to at least 10% of the length of the particle; and (c) water.Type: GrantFiled: October 30, 1996Date of Patent: July 21, 1998Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Theo Fleckenstein, Alexander Ditze, Franz Kresse, Thomas Hahn
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Patent number: 5759982Abstract: The subject invention involves laundry compositions comprising:(a) from about 10% to about 35%, anionic surfactant,(b) at least about 0.5% polyethylene glycol,(c) at least about 5% water, and(d) at least about 5% phosphate builder; the composition being in the form of a bar; and processes for making such bars.Type: GrantFiled: June 24, 1997Date of Patent: June 2, 1998Assignee: The Procter & Gamble CompanyInventors: Rodney Mahlon Wise, Ricky Beasley
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Patent number: 5756444Abstract: The invention provides a granular laundry detergent composition. The composition comprises: (a) from about 1% to about 20% by weight of a surfactant; (b) from about 60% to about 90% by weight of a mixture of carbonate and sulfate, the mixture having a ratio of carbonate to sulfate of from about 4:1 to about 1:4; (c) from about 0.1% to about 15% by weight of a silicate; (d) from about 0.1% to about 5% by weight of a polycarboxylate; and (e) from about 0.1% to about 2.5% by weight of polyethylene glycol. The detergent is further characterized in that it is substantially free of aluminosilicates and phosphates.Type: GrantFiled: November 1, 1996Date of Patent: May 26, 1998Assignee: The Procter & Gamble CompanyInventors: Scott Alan Walters, Matthew Israel Wasserman