Sulfur Containing Anionically Substituted Surfactant Patents (Class 510/414)
  • Patent number: 6162775
    Abstract: An anhydrous foaming cleansing composition for topical application to the man skin, comprising an anionic surfactant, glycerine, polyethylene glycol, and a water insoluble benefit agent.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: December 19, 2000
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventor: Suree Methmanus-Spaltro
  • Patent number: 6121214
    Abstract: This invention relates to the use of triclocarban (N-(4-chlorophenyl)-N'-(3,4-dichlorophenyl) urea; trichlocarbanilide) as an antibacterial active ingredient in liquid soaps.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: September 19, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Otto Exner, Manfred Hoffmann
  • Patent number: 6087321
    Abstract: 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: Grant
    Filed: June 8, 1998
    Date of Patent: July 11, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Rajan Keshav Panandiker, Dimitris Lappas, Robert W. Boswell
  • Patent number: 6066614
    Abstract: A cleaning composition is provided with effective cleaning performance and viscosity, said composition comprising a polycarboxylate polymer and a surfactant system containing a short chain surfactant and a long chain surfactant. The present invention further encompasses the use of a polycarboxylate polymer in a liquid cleaning composition.
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: May 23, 2000
    Assignee: The Proctor & Gamble Company
    Inventors: Laura Orlandini, Marco Petri, Giuseppe Sirianni
  • Patent number: 6013611
    Abstract: A light duty liquid detergent with desirable cleansing properties and mildness to the human skin comprising: a water soluble nonionic surfactant, an alkali metal or ammonium salt of a C.sub.8-18 ethoxylated alkyl ether sulfate anionic surfactant, a magnesium salt of a sulfonate surfactant, a betaine surfactant and water.
    Type: Grant
    Filed: July 2, 1997
    Date of Patent: January 11, 2000
    Assignee: Colgate Palmolive Company
    Inventors: Barbara Thomas, Gilbert Gomes, Julien Drapier, John Church
  • Patent number: 6008175
    Abstract: A method of cleaning carpets with a composition comprising a surfactant selected from amine oxides and acyl sarcosinates. The compositions are advantageous in that they do not leave a dulling film if not removed from the carpet after drying. Preferably, the compositions also contain a source of active oxygen for stain removal.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: December 28, 1999
    Assignee: The Proctor & Gamble Company
    Inventors: Stefano Scialla, Floriana Raso, Lorena Silvaggi
  • Patent number: 5972869
    Abstract: A mildly acidic laundry detergent composition is provided for the improved protection of fine fabrics during washing and enhanced removal of generated foam during rinsing in hand wash comprising:a) at least one anionic surfactant; and/orb) at least one nonionic surfactant;c) a rinse-active, pH-sensitive foam control agent comprising a fatty acid; whereby the fatty acid foam control agent remains substantially in acid form at the mildly acidic pH of the wash water so as to be essentially inoperative to suppress foam during washing, and whereby upon rinsing of the laundry with tap water having a pH of from about 7.5 to 8.5 at least of portion of said fatty acid is converted to a soap which functions to suppress foam during rinsing.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: October 26, 1999
    Assignee: Colgate-Palmolive Co
    Inventors: Hoai-Chau Cao, Marie-Christine Houben, Patricia Pagnoul
  • Patent number: 5962388
    Abstract: Compositions described herein are aqueous detergent compositions, preferably hard surface cleaning compositions, which contain alkyl aryl sulfonate surfactant, selected hydrophobic cleaning solvent, polycarboxylic acid, and aqueous solvent system in solution and/or a micellar phase, the pH being from about 2 to about 4. The have excellent soap scum removal and hard water deposit removal properties and are easy to rinse. Such compositions optionally contain additional anionic sulfate surfactant, cationic surfactant, peroxide and/or hydrophilic polymer for additional benefits.
    Type: Grant
    Filed: January 4, 1999
    Date of Patent: October 5, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Alan Edward Sherry, Jeffrey Lawrence Flora, Jason Michael Knight
  • Patent number: 5955408
    Abstract: A disinfectant hand wash includes triclosan and a reduced amount of surfactants in order to reduce skin irritation while maintaining improved activity against Gram negative and Gram positive organisms, including Serratia marcescens. The hand wash includes an effective amount of triclosan, preferrably 0.2-3.0% and a non-aqueous solvent. A mixture of hexylene glycol and isopropanol provide improved efficacy in killing skin-born microbes. The hand wash further includes 2-20% surfactant, preferrably at less than 10%. The hand wash further includes a chelating agent, a thickener, a buffering agent, and water.
    Type: Grant
    Filed: July 9, 1997
    Date of Patent: September 21, 1999
    Assignee: STERIS Inc.
    Inventors: Nancy E. Kaiser, Denise K. Pretzer
  • Patent number: 5929023
    Abstract: The present invention relates to a cleaning composition containing at least one first surfactant selected from the group consisting of nonionic surfactants, anionic surfactants, partially esterified ethoxylated glycerol surfactants, and alkyl polyglucoside surfactants and mixtures thereof and a second surfactant selected from the group consisting of sulfonamide, hydroxy sulfobetaine, betaines, amine oxides, glucoamides, N-C.sub.1-3 alkyl C.sub.8 -C.sub.16 alkyl glucoamide, and C.sub.5 -C.sub.12 N-alkyl aldoamide and mixtures thereof and water.
    Type: Grant
    Filed: May 8, 1997
    Date of Patent: July 27, 1999
    Assignee: Colgate Palmolive Company
    Inventors: Patrick Durbut, Guy Broze
  • Patent number: 5925603
    Abstract: Concentrated mixtures of three or more surfactants dissolved or dispersed in a stable form in water and which contain an acyl isethionate, an imidazoline surfactant, and at least one additional anionic surfactant are provided.
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: July 20, 1999
    Assignee: Rhodia Inc.
    Inventor: Paul F. D'Angelo
  • Patent number: 5925606
    Abstract: A liquid cleaning composition includes a carboxylic acid, surfactant and organic solvent. The composition is particularly effective for removing soap scum, limescale and hard water spots from tubs, tiles and showers.
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: July 20, 1999
    Assignee: Amway Corporation
    Inventor: Charles L. Stamm
  • Patent number: 5922670
    Abstract: 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: Grant
    Filed: October 1, 1997
    Date of Patent: July 13, 1999
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Georg Knuebel, Alfred Westfechtel, Gerhard Hermanns, Rainer Hoffmann, Hans-Christian Raths
  • Patent number: 5922662
    Abstract: A high foaming, light duty, liquid detergent with desirable cleansing properties and mildness to the human skin comprising: a water soluble nonionic surfactant at least one water soluble, foaming, anionic surfactant, a zwitterionic surfactant, an alkyl succinamate and the balance being water.
    Type: Grant
    Filed: August 1, 1997
    Date of Patent: July 13, 1999
    Assignee: Colgate Palmolive Company
    Inventor: Barbara Thomas
  • Patent number: 5910477
    Abstract: An aqueous viscous composition comprises: (a) from 0.5% to 1.2% of an ingredient comprising an amine, amine oxide or a mixture thereof; (b) between 4% and 7% of an ingredient comprising a secondary alkyl sulfate, secondary alkyl sulfonate, primary monobranched alkyl sulfate, primary monobranched alkyl sulfonate or mixture thereof, (c) between 2% and 4% hydrotrope; and (d) between 4% and 8% citric acid. The amount of component (b) is in excess of component (a), and the composition has a pH of from 3 to 4. A 1.2%, by weight, aqueous solution of the composition has an average rate of foam collapse of from 1.00 to 1.50 cm/min.
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: June 8, 1999
    Assignee: The Procter & Gamble Company
    Inventor: Neil James Gordon
  • Patent number: 5888956
    Abstract: 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 Lewis base, neutral polymer, and water.
    Type: Grant
    Filed: September 26, 1997
    Date of Patent: March 30, 1999
    Assignee: Colgate Palmolive Company
    Inventors: Patrick Durbut, Anne-Marie Misselyn, Guy Broze
  • Patent number: 5888957
    Abstract: 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 an analephotropic negatively charged complex, a hydrocarbon ingredient, a cosurfactant, and water.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: March 30, 1999
    Assignee: Colgate Palmolive Company
    Inventors: Patrick Durbut, Guy Broze
  • Patent number: 5883059
    Abstract: A mild antibacterial liquid personal cleanser compositions. (More specifically, a mild, lathering compositions, especially those that are useful for application to the body, face and hands.) comprising:(a) from about 0.1 parts to about 20 parts, preferably 1 part to 15 parts, especially 3 to 12 parts by weight of anionic surfactant,(b) from about 0.1 parts to about 20 parts, preferably 1 part to 15 parts, especially 3 to 12 parts by weight of amphoteric surfactant,(c) from about 0.5 parts to about 25 parts, preferably 0.5 parts to 15 parts, especially 3 parts to about 10 parts by weight of an oily skin moisturizer, preferably an adduct prepared from vegetable oils containing non-conjugated polyunsaturated fatty acid esters which are conjugated and elaidinized and then modified via Diels-Alder addition with a member of the group consisting of acrylic acid, fumaric acid and maleic anhydride,(d) from about 0.1 parts to about 2.
    Type: Grant
    Filed: October 2, 1996
    Date of Patent: March 16, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Christopher Allen Furman, Michel Joseph Giret, James Charles Dunbar, Jon Joseph Damiano
  • Patent number: 5872092
    Abstract: Disclosed are nonaqueous, bleach-containing liquid laundry detergent compositions which are in the form of a suspension of particulate material, including peroxygen bleaching agent and an alkyl sulfate anionic surfactant, dispersed in a liquid phase containing an alcohol ethoxylate nonionic surfactant and a nonaqueous, low-polarity organic solvent. Such compositions provide especially desirable cleaning and bleaching of fabrics laundered therewith and also exhibit especially desirable chemical and phase stability.
    Type: Grant
    Filed: June 18, 1997
    Date of Patent: February 16, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Josephine L. Kong-Chan, Kathleen B. Hunter
  • Patent number: 5869439
    Abstract: A high foaming, light duty, liquid detergent with desirable cleansing properties and mildness to the human skin comprising: a water soluble nonionic surfactant at least one water soluble, foaming, anionic surfactant, a zwitterionic surfactant, an alkyl succinamate and the balance being water.
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: February 9, 1999
    Assignee: Colgate Palmolive Company
    Inventors: Barbara Thomas, Gilbert Gomes
  • Patent number: 5851974
    Abstract: A light duty liquid detergent with desirable cleansing properties and mildness to the human skin comprising: two different sulfonate surfactants, an alkali metal or ammonium salt of a C.sub.8-18 ethoxylated alkyl ether sulfate anionic surfactant, an alkyl polyglucoside surfactant, an alkanol amide or amine oxide and an antibacterial system comprising trichlorohydroxydiphenyl ether, a C.sub.1 -C.sub.3 alkanol and an alkali metal halide, and water.
    Type: Grant
    Filed: October 28, 1997
    Date of Patent: December 22, 1998
    Assignee: Colgate Palmolive Company
    Inventor: Sukhvinder Sandhu
  • Patent number: 5840671
    Abstract: A cleaning solution for cleaning a contact lens, which includes at least one first component each consisting of a tertiary amine oxide which is represented by the formula given in the specification and at least one second component each consisting of an anionic surface active agent in the form of a triethanolamine salt, a total content of the at least one first component and the at least one second component being within a range of 0.1-20% by weight, a ratio of a total content of the at least one first component to a total content of the at least one second component being within a range from 1/4 to 30/1.
    Type: Grant
    Filed: December 8, 1995
    Date of Patent: November 24, 1998
    Assignee: Tomey Technology Corporation
    Inventors: Atumi Fujimura, Kaoru Kamiya, Shinji Tanaka
  • Patent number: 5834417
    Abstract: A light duty liquid detergent with desirable cleansing properties and mildness to the human skin comprising: a sulfonate surfactant, an alkali metal or ammonium salt of a C.sub.8-18 ethoxylated alkyl ether sulfate anionic surfactant, an amine oxide surfactant, an ethoxylated monoalkanol amide, a monoalkanol amide, an alkyl polyglucoside surfactant, and water.
    Type: Grant
    Filed: June 13, 1996
    Date of Patent: November 10, 1998
    Assignee: Colgate Palmolive Co.
    Inventors: Len Zyzyck, Elizabeth McCandlish
  • Patent number: 5824629
    Abstract: The invention relates to a hair cleansing and care agent in tablet form, wherein the tablet comprises a base compound which, upon contact with water, sets free a physiologically harmless gas, preferably CO.sub.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: October 20, 1998
    Inventor: Erich Petritsch
  • Patent number: 5773395
    Abstract: An improvement is described in the microemulsion compositions which is especially effective in the removal of oily and greasy soil contains an anionic detergent, a saturated fatty acid, an unsaturated fatty acid, a solubilizing agent, a perfume having a pine like odor, an alkali metal hydroxide and water.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: June 30, 1998
    Assignee: Colgate-Palmolive Co.
    Inventors: Maria Jose Charlez, Abraham Cazes
  • Patent number: 5767051
    Abstract: A light duty liquid detergent with desirable cleansing properties and mildness to the human skin comprising: a nonionic surfactant, an alkali metal or ammonium salt of a C.sub.8-18 ethoxylated alkyl ether sulfate anionic surfactant, an amine oxide surfactant, a zwitterionic surfactant, an alkyl polyglucoside surfactant, and water.
    Type: Grant
    Filed: February 13, 1997
    Date of Patent: June 16, 1998
    Assignee: Colgate Palmolive Company
    Inventors: Julien Drapier, Maria Galvez, Nicole Kerzmann, Gary Jakubicki
  • Patent number: 5756441
    Abstract: A high foaming, light duty, liquid detergent with desirable cleansing properties and mildness to the human skin comprising: a water soluble nonionic surfactant at least one water soluble, foaming, anionic surfactant, a zwitterionic surfactant, an alkyl succinate and the balance being water.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: May 26, 1998
    Assignee: Colgate Palmolive Company
    Inventors: Barbara Thomas, Gilbert Gomes
  • Patent number: 5747435
    Abstract: Composition useful as 2-in-1 cleansing products are disclosed that are extremely mild to skin and hair, which use neutralized, essentially chargeless, ionic complexes of fatty amines and fatty acids to deliver various levels of conditioning; neutralized, essentially chargeless, ionic complexes of a detersive surfactant comprising a water soluble cationic surfactant and/or polymer complexed with one or more anionic surfactants; or an amphoteric surfactant complexed with one or more anionic surfactants; or a water soluble cationic surfactant and/or polymer complexed with one or more amphoteric surfactants; or a water soluble cationic surfactant and/or polymer complexed with one or more anionic surfactants and an amphoteric surfactant; detersive surfactant-soluble but water-insoluble silicones or derivatives thereof; and water. These products exhibit true 2-in- conditioning properties, and are lower in cost than current 2 in 1 products. Clear or opacified products can be formulated.
    Type: Grant
    Filed: July 17, 1996
    Date of Patent: May 5, 1998
    Assignee: Colgate-Palmolive Company
    Inventor: Amrit M. Patel
  • Patent number: 5739099
    Abstract: An improved rinse aid composition comprising a blend of nonionic, cationic, anionic, zwitterionic and amphoteric surfactants, hydrotropes, and copolymers of alkylene oxide adducts of allyl alcohol and acrylic acid useful in reducing spotting and filming of dishware.
    Type: Grant
    Filed: December 6, 1995
    Date of Patent: April 14, 1998
    Assignee: BASF Corporation
    Inventors: Michael C. Welch, Kenneth L. Zack, Glenis Roberts
  • Patent number: 5736496
    Abstract: 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 an analephotropic negatively charged complex, a hydrocarbon ingredient, a Lewis base, neutral polymer, a cosurfactant, and water.
    Type: Grant
    Filed: July 9, 1996
    Date of Patent: April 7, 1998
    Assignee: Colgate-Palmolive Co.
    Inventors: Patrick Durbut, Anne-Marie Misselyn, Guy Broze
  • Patent number: 5733341
    Abstract: A process is described for inhibiting the re-absorption of migrating dyes in the wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150, preferably from 1.5 to 75, especially from 7.5 to 40 mg, per liter of wash liquor, of one or more compounds having the formula (1), (2), (3), (4), (5), (6), (7), (8), (9), (10), (11), (12), (13) or (14) as defined in the specification. The compounds of formula (1), (2), (3), (4), (5), (6), (8), (9) (10), (11), (12), (13) or (14) are new compounds. The compounds used do not exhaust at all on to cotton, polyamide or polyester fibers, so that the compounds cannot lead to fiber discoloration problems.
    Type: Grant
    Filed: December 14, 1995
    Date of Patent: March 31, 1998
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Claude Eckhardt, Dieter Reinehr, Georges Metzger
  • Patent number: 5728664
    Abstract: A non-aqueous negative photoresist stripping composition which consists essentially of about 40 to 80% by weight of an alkylnaphthalene solvent, about 5 to 20% by weight of an alkyl phenol which provides a corrosion inhibitory effect, about 5 to 20% by weight of a linear monoalkylbenzene sulfonic acid which is a surfactant and about 1 to 10% by weight of a dialkylbenzene sulfonic acid. There is further provided a process for removing coatings from a photoresist with the compositions of the invention.
    Type: Grant
    Filed: April 15, 1996
    Date of Patent: March 17, 1998
    Assignee: Ashland, Inc.
    Inventor: Francis W. Michelotti
  • Patent number: 5712241
    Abstract: A light duty liquid detergent with desirable cleansing properties and mildness to the human skin comprising: a beta-hydroxy paraffin sulfonate surfactant, an alkali metal or ammonium salt of a C.sub.8-18 ethoxylated alkyl ether sulfate anionic surfactant, an amine oxide, an alkyl polyglucoside surfactant, an alkyl C.sub.12 -C.sub.14 monoalkanol amide, an ethoxylated C.sub.12 -C.sub.14 monoalkanol amide and water.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: January 27, 1998
    Assignee: Colgate-Palmolive Co.
    Inventors: Philip Gorlin, Gary Jakubicki
  • Patent number: 5712238
    Abstract: A multipurpose cleaning agent containing 6.5-8% sodium alkyl sulfate, 2.7-4% fatty acid coconut diethanolamide, 0.38-0.42% citric acid, 0.38-0.42% ethylene diamine tetraacetic acid, 0.42-0.48% sodium citrate, 2.88-3.2% water, 1.88-2.5% sodium polyoxyethylene alkyl ether sulfate, 0.5-1% sodium carboxy methyl cellulose, 0.2-0.4% sodium percarbonate, 2-5% sodium tripoly phosphate, 40.38-35.89% low density sodium carbonate, 40.38-35.89% Na.sub.2 SO.sub.4.H.sub.2 O, 0.4-0.8%, savinase 40T, and 1-2% celluzyme 0.7T.
    Type: Grant
    Filed: August 2, 1996
    Date of Patent: January 27, 1998
    Inventor: Wu Hsiung Chan
  • Patent number: 5700773
    Abstract: A light duty liquid detergent with desirable cleansing properties and mildness to the human skin comprising: two different sulfonate surfactant, an alkali metal or ammonium salt of a C.sub.8-18 ethoxylated alkyl ether sulfate anionic surfactant, an amine oxide, an alkyl polyglucoside surfactant, and optionally an alkyl C.sub.12 -C.sub.14 monoalkanol amide and/or an ethoxylated C.sub.12 -C.sub.14 monoalkanol amide and water.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: December 23, 1997
    Assignee: Colgate-Palmolive Co.
    Inventors: Gary Jakubicki, Elizabeth McCandish, Len Zyzyck, Julien Drapier
  • Patent number: 5696073
    Abstract: A light duty liquid detergent with desirable cleansing properties and mildness to the human skin comprising: at least one sulfonate surfactant, an alkali metal or ammonium salt of a C.sub.8-18 ethoxylated alkyl ether sulfate anionic surfactant, a betaine surfactant, an alkyl polyglucoside surfactant, an ethoxylated alkyl C.sub.12 -C.sub.14 monoalkanol amide, optionally, C.sub.12 -C.sub.14 monoalkanol amide and water.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: December 9, 1997
    Assignee: Colgate-Palmolive Co.
    Inventors: Gary Jakubicki, Elizabeth McCandish, Len Zyzyck
  • Patent number: 5670469
    Abstract: Improved compositions containing a visible coloring agent, such as a pigment or dye, together with a polymer or hydroxylated aliphate alcohol, and an active ingredient defined as a surfactant, a therapeutic agent or biocide, are disclosed. The detectable agent is readily visible under normal white light, and provides a technique for monitoring disturbed and undisturbed areas on a surface. Such is useful in the described methods for cleaning and/or decontaminating a surface, such as in the decontamination of equipment and clothing used during hazardous spill response. The compositions are adherent to a variety of different materials, including Teflon.RTM.. This makes the preparations particularly useful in the cleaning and decontamination of non-flat and curved surfaces, such as on protective garments.
    Type: Grant
    Filed: January 6, 1995
    Date of Patent: September 23, 1997
    Assignee: Texas Research Institute
    Inventors: Michael L. Dingus, Walter P. Zoch, Thomas R. Mayfield, Alan Bray, Rock A. Rushing
  • Patent number: 5643864
    Abstract: According to the invention, an improved class of anionic surfactants having improved surfactant properties characterized as mild and environmentally safe have been provided comprising compounds of the formula: ##STR1## The anionic surfactants of the invention have at least two hydrophobic chains and at least two hydrophilic groups per molecule and are useful as emulsifiers, detergents, dispersant and solubilizing agents.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: July 1, 1997
    Assignee: Rhone-Poulenc, Inc.
    Inventors: Ji Li, Manilal Dahanayake, Robert Lee Reierson, David James Tracy
  • Patent number: 5607913
    Abstract: Detergent compositions comprising a surfactant system that is either (1) a mixture of zwitterionic detergent surfactant and/or amphoteric (non-zwitterionic) detergent surfactant with nonionic detergent surfactant; or (2) short chain nonionic detergent surfactant; a suds reducing amount of a suds controlling alkoxylated material of the formula: C.sub.n (PO).sub.x (EO).sub.y (PO).sub.z in which C.sub.n is a hydrocarbon group containing n carbon atoms, n is a number from about 6 to about 12, x is a number from about 1 to about 6, y is a number from about 4 to about 15, and z is a number from about 4 to about 25; optional, but preferred, hydrophobic cleaning solvent; and polycarboxylate, especially dicarboxylate, detergent builder, provide superior cleaning of all of the soils commonly found in the bathroom while maintaining a desirable low suds profile and good rinsing properties. The compositions have a pH of from about 1 to about 5.5, preferably from about 2 to about 4 when the dicarboxylate builder is used.
    Type: Grant
    Filed: November 21, 1994
    Date of Patent: March 4, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Ricky A. Woo, James E. Gray