Soap Component Patents (Class 510/152)
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Patent number: 5891834Abstract: A personal cleansing composition comprisinga. at least about one wt % of soap, andb. a sufficient amount of a compound to provide at least about 0.03 wt. % of a free fatty carboxylic acid, said compound of the formula ##STR1## wherein R is hydrogen or CH.sub.2 COOH, R.sub.a is hydrogen or carboxyl, and R.sub.b is hydrogen or methyl provided that when R is hydrogen, then R.sub.a is carboxyl and when R is CH.sub.2 COOH then R.sub.a is hydrogen.Type: GrantFiled: September 18, 1996Date of Patent: April 6, 1999Assignee: Colgate Palmolive CompanyInventors: Suman Kumar Chopra, Thomas Gregory Polefka, Ravi Subramanyam
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Patent number: 5888952Abstract: A solid cleansing composition comprising a) soap, b) moisture, c) from about 0.5 to about 5 wt. % TSPP, and d) free fatty acid in a quantity such that a pH above about 9.5 is present when he pH of a 1 wt. % soap bar in water solution is measured.Type: GrantFiled: June 13, 1997Date of Patent: March 30, 1999Assignee: Colgate-Palmolive Co.Inventors: Ravi Subramanyam, Syed Abbas
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Patent number: 5874392Abstract: The invention provides a multi purpose soap bar which can be used for cleaning the human body and shampooing and conditioning the hair consisting of the following ingredients in the volume % as specified:______________________________________ Caproic Acid 0.10-0.26 Caprylic Acid 1.41-3.48 Capric Acid 1.00-2.48 Lauric Acid 7.0-17.4 Myristic Acid 2.47-6.7 Palmitic Acid 1.21-31.7 Stearic Acid 0.15-14.5 Oleic Acid 1.3-57.1 Linoleic Acid 0.31-19.2 Linolenic Acid 0.01-4.8 Alpha Linoleic Acid 0.0-0.7 Vitamin E 0.0-3.6 Water/Sodium Hydroxide Mixed 3:1 27.0-27.2 Honey 0.0-1.0 Citric Acid 0-0.4 Lecithin 0-0.2 Palmitoleic Acid 0-0.11 Erucic Acid 0-0.65 Arachidic Acid 0-.Type: GrantFiled: May 7, 1997Date of Patent: February 23, 1999Inventors: Raymond George Halvorson, Elaine Melody Halvorson
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Patent number: 5856283Abstract: A solid composition comprisinga. a cleansing effective amount of an anionic surfactant or mixture thereof,b. an alcohol ethoxycarboxylic acid of the formulaR--(OCH.sub.2 CH.sub.2).sub.n --O CH.sub.2 COOHwherein R is an alkyl of an average of about 8 to 20 carbon atoms inclusive and n is a number of 1 to about 20,c. a carbanilide antibacterial agent in antibacterial effective quantities wherein component b is in sufficient quantities to solubilize the carbanilide antibacterial agent.Type: GrantFiled: August 14, 1997Date of Patent: January 5, 1999Assignee: Colgate-Palmolive Co.Inventors: Syed Husain Abbas, Ben Gu, AnBen Hwang, Ravi Subramanyam
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Patent number: 5849679Abstract: A non-ionic surfactant represented by the general formula (1) or (2) shown below, an emulsified composition and a dispersion containing same are disclosed. Also disclosed is a method of preparing glycoside compound having nonionic surface active properties. The nonionic surfactant has good safety to human bodies and is excellent in producing foam with good feeling in touch.General formula ?1!:?Z(OH).sub.q-1 !--O?C.sub.3 H.sub.5 (OH)O!--R.sup.1 ?1!wherein ?Z(OH).sub.q-1 ! stands for a saccharide residue excluding the hydroxyl group connected to the carbon atom in anomeric position among q hydroxyl groups connected to the saccharide compound of the formula ?Z(OH).sub.q !, --O?C.sub.3 H.sub.5 (OH)O!-- for a glycerol residue excluding 2 hydrogen atoms from glycerol HO?C.sub.3 H.sub.5 (OH)O!--H, and R.sup.1 for an aliphatic group having 1-12 carbon atoms,General formula ?2!:?Z(OH).sub.q-1 !--O?C.sub.3 H.sub.5 (OH)O!.sub.x --R.sup.2 ?2!wherein ?Z(OH)!.sub.Type: GrantFiled: June 13, 1996Date of Patent: December 15, 1998Assignee: Lion CorporationInventors: Haruhiko Toda, Hiroshi Miyake, Kazuhiko Matsuda, Masahiro Sato
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Patent number: 5843876Abstract: A cleansing composition which comprises a cleansing effective amount of a long chain alkyl or alkenyl containing surfactant or mixtures thereof and a color stabilizing effective amount of a compound selected from the group consisting of ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are the same or different and are isopropyl or tertiary butyl, ##STR2## wherein R.sub.9 and R.sub.10 are the same or different and are isopropyl or tertiary butyl and n is about 8 to about 20, or ##STR3## wherein R.sub.11, R.sub.12, R.sub.13, R.sub.14, R.sub.15 and R.sub.16 are the same or different and are isopropyl or tertiary butyl.Type: GrantFiled: January 29, 1997Date of Patent: December 1, 1998Assignee: Colgate-Palmolive Co.Inventors: Richard Payne, AnBen Hwang, Ravi Subramanyam
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Patent number: 5840670Abstract: A cleansing composition which comprises a cleansing effective amount of one or a mixture of a surfactant and a color stabilizing effective amount of a compound of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are the same or different and are isopropyl or tertiary butyl.Type: GrantFiled: January 29, 1997Date of Patent: November 24, 1998Assignee: Colgate-Palmolive Co.Inventors: Richard Payne, AnBen Hwang, Ravi Subramanyam
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Patent number: 5795852Abstract: The present invention is directed to synthetic bar compositions wherein relatively small amounts of specified hydrophobically modified polyalkylene glycol nonionic polymer has been found to enhance mildness of bar compositions without sacrificing processability and lather property.Type: GrantFiled: April 24, 1996Date of Patent: August 18, 1998Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Mengtao He, Michael Fair, Michael Massaro
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Patent number: 5786312Abstract: The present invention is directed to mixed fatty acid soap based bar compositions, which may include synthetic surfactants as co-actives, wherein relatively small amounts of specified polyoxyethylene-polypropylene nonionic polymer has been found to enhance mildness and reduced mush of bar compositions without sacrificing the user properties and processability of the formulations.Type: GrantFiled: June 12, 1996Date of Patent: July 28, 1998Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Albert Joseph Post, Edward Van Gunst, Mengtao He, Michael Fair, Michael Massaro
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Patent number: 5786311Abstract: This invention relates to a monohydric alcohol free process for making transparent pour molded personal cleansing bars which exhibit good hardness characteristics. The process comprises: (I) making a molten mixture of from 18 parts to 35 parts soap, wherein said soap is at least 50% insoluble sodium soap; from 14 parts to 32 parts water; from 5 parts to 37 parts synthetic surfactant; and from 18 parts to 37 parts of a water soluble organic solvent, wherein the combined level of water and water soluble organic solvent within the molten mixture is at least 40 parts; and (II) transferring a unit amount of said molten mixture into a bar forming mold or tube and (III) allowing said molded unit to cool in acquiescent conditions into a mild, low smearing transparent personal cleansing bar.The preferred bars made by the process of the present invention are more weight stable than bars made with several parts of alcohol.Type: GrantFiled: August 26, 1997Date of Patent: July 28, 1998Assignee: The Procter & Gamble CompanyInventors: Alexandre Zyngier, Benjamin Carl Wiegand, Alejandro Figueroa, Michael August Brunsman
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Patent number: 5783536Abstract: An extruded toilet bar composition comprises mixtures of chips containing polyalkylene glycol, benefit agent and fumed silica, and chips containing a surfactant system.Type: GrantFiled: June 26, 1996Date of Patent: July 21, 1998Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Terence Farrell, Georgia Shafer, James Dalton
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Patent number: 5780405Abstract: The present invention is directed to synthetic bar compositions wherein relatively small amounts of specified polyoxyethylene-polypropylene nonionic polymer has been found to enhance mildness of bar compositions.Type: GrantFiled: March 18, 1996Date of Patent: July 14, 1998Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Mengtao He, Michael Fair, Michael Massaro
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Patent number: 5767059Abstract: The present invention provides a cleanser composition which is free from any thickener, contains surfactant(s) at such a concentration as not to irritate the skin or mucosa, can impart an appropriate consistency to the cleanser, exhibits excellent foaming, can be easily taken out from a container in use and gives a good feel in use.The cleanser composition comprises the following components (A), (B) and (C):(A) an alkali metal salt of a secondary amide-type N-acylamino acid represented by formula (1):R.sup.1 CONH(CH.sub.2).sub.n COOH (1)wherein R.sup.1 CO represents a linear acyl group having 10 to 16 carbon atoms; and n is a number of 1 or 2;(B) an alkali metal salt of a higher fatty acid; and(C) an amphoteric surfactant; and the mixing ratio by weight of (A+B)/C ranges from 2.5/1 to 1/2.Type: GrantFiled: August 27, 1996Date of Patent: June 16, 1998Assignee: Kao CorporationInventors: Isao Umemoto, Yasushi Kajihara
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Patent number: 5750481Abstract: A mild, foaming soap produced by saponifying C12:0 fatty acids obtained from a plant having integrated into its genome a DNA sequence encoding C12:0 preferring acyl-ACP thioesterase.Type: GrantFiled: January 17, 1996Date of Patent: May 12, 1998Assignee: Calgene, Inc.Inventors: Anthony J. Del Vecchio, Eric Jungermann, Hemendra N. Basu
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Patent number: 5728663Abstract: The present invention relates to a clear colorless soap bar with superior mildness, lathering and discoloration resistance. The clear colorless soap consists of a blend of C12-C18 fatty acids neutralized with sodium hydroxide (NaOH) and triethanolamine (TEA). Excess TEA acts as a co-solvent and is responsible for clarity of the soap bar. The bar also contains a branched chain acid such as isostearic acid to break up crystallinity and add to product clarity. Low color and color stability are obtained by removing unsaturated fatty acids, and by the use of antioxidants (BHT and Vitamin E). Low levels of C6 to C10 fatty acids provide exceptional mildness.Type: GrantFiled: July 2, 1996Date of Patent: March 17, 1998Assignee: Johnson & Johnson Consumer Products, Inc.Inventor: Danilo L. Lambino
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Patent number: 5723420Abstract: Personal cleansing bar compositions which contain a fragrance-releasing complex and a bar carrier. The fragrance-releasing complex contains a hydrophilic inorganic porous fragrance carrier and a fragrance impregnated within the fragrance carrier. The ratio of the fragrance:fragrance carrier ranges from about 5:1 to about 1:10.Type: GrantFiled: March 4, 1996Date of Patent: March 3, 1998Assignee: The Procter & Gamble CompanyInventors: Karl Shiqing Wei, Louis Fay Wong, Deborah Adamo Koehler, Mark Richard Sine
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Patent number: 5712235Abstract: New toilet soaps contain: (a1) 4 to 7% by weight alkyl and/or alkenyl oligoglycosides and/or (a2) 2 to 7% by weight fatty acid N-allcylpolyhydroxyalkylamide; (b) 45 to 95% by weight soap and (c) 0 to 10% by weight anionic surfactants selected from the group of alkyl sulphates, isethionates, taurides, sarcosinates, mono- and dialkylsulfosuccinates, ether carboxylic acids, sulphotriglycerides and alkyloligoglucoside sulphates. These new soaps are characterized among others by an improved creaminess, a high foaming power, remarkable cosmetic compatibility with the skin and mechanical firmness.Type: GrantFiled: March 15, 1996Date of Patent: January 27, 1998Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Claus Nieendick, Gerhard Wollmann, Bernd Richter, Karl-Heinz Schmid, Andreas Syldath, Bernd Fabry
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Patent number: 5705462Abstract: A bar soap comprising:A) from about 70 to about 85% by weight of at least one fatty acid salt,B) from about 0.5 to about 10% by weight of at least one fatty acid,C) from about 1 to about 10% by weight of at least one alkyl ether sulfate, andD) from about 0.1 to about 1% by weight of at least one of an alkyl oligoglycoside and an alkenyl oligoglycoside.Type: GrantFiled: April 26, 1996Date of Patent: January 6, 1998Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Marlene Hormes, Werner Schneider, Wolfhard Scholz, Udo Hennen
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Patent number: 5703026Abstract: The subject invention relates to skin cleansing bar soap compositions comprising:(a) from about 40% to about 95% surfactant component comprising fatty acid soap and/or synthetic surfactant, such that the composition comprises:(1) from 0% to about 95% fatty acid soap;(2) from 0% to about 50% synthetic surfactant;(b) particles of absorbent gellant material, the amount of absorbent gellant material, dry weight basis, in the composition being from about 0.02% to about 5%, the absorbent gellant material having an extractable polymer content of less than about 25%;(c) from about 5% to about 35% water;(d) from 0% to about 25% moisturizer;(e) from 0% to about 15% other ingredients comprising one or more of polymeric skin feel and mildness aid, perfume, solvent, colorant, antibacterial agent, and preservative.Type: GrantFiled: June 1, 1995Date of Patent: December 30, 1997Assignee: The Procter & Gamble CompanyInventors: Drew Douglas Setser, George Endel Deckner
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Patent number: 5703025Abstract: This invention relates to a monohydric alcohol free process for making transparent pour molded personal cleansing bars which exhibit good hardness characteristics. The process comprises: (I) making a molten mixture of from 18 parts to 35 parts soap, wherein said soap is at least 50% insoluble sodium soap; from 14 parts to 32 parts water; from 5 parts to 37 parts synthetic surfactant; and from 18 parts to 37 parts of a water soluble organic solvent, wherein the combined level of water and water soluble organic solvent within the molten mixture is at least 40 parts; and (II) transferring a unit amount of said molten mixture into a bar forming mold or tube and (III) allowing said molded unit to cool in acquiescent conditions into a mild, low smearing transparent personal cleansing bar.The preferred bars made by the process of the present invention are more weight stable than bars made with several parts of alcohol.Type: GrantFiled: July 21, 1995Date of Patent: December 30, 1997Assignee: The Procter & Gamble CompanyInventors: Alexandre Zyngier, Benjamin Carl Wiegand, Alejandro Figueroa, Michael August Brunsman
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Patent number: 5683970Abstract: A composition comprising a compound of the formulaROCH.sub.2 CH.sub.2 SO.sub.3.sup.- X.sup.+wherein R is alkyl or alkenyl of eight to twenty two carbon atoms, inclusive or a mixture thereof and X is an alkali metal, alkaline earth metal, ammonium or substituted ammonium in combination with a soap or additional surfactant and moisture.Type: GrantFiled: February 7, 1997Date of Patent: November 4, 1997Assignee: Colgate-Palmolive CompanyInventors: Ravi Subramanyam, Ben Gu
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Patent number: 5683973Abstract: The present invention relates to bar compositions comprising a mixture of higher melting point and lower molecular weight (100 to about 1400) lower melting point polyalkylene glycol(s) in which use of the lower molecular weight polyalkylene glycol or glycols allows enhanced rates of extrusion from the plodder.Type: GrantFiled: February 15, 1996Date of Patent: November 4, 1997Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Albert Joseph Post, Frederick Silvio Osmer, Michael Francis Petko
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Patent number: 5681980Abstract: The present invention encompasses a personal cleansing bar comprising from 10 parts to 70 parts by bar weight of a distilled, topped C.sub.12 -C.sub.18 acyl (topped cocoyl) isethionate (STCI). The bar of this invention contains little or no (0-2.8 parts) highly soluble acyl groups (sodium C.sub.6, C.sub.8, C.sub.10, C.sub.18:1 and C.sub.18:2 acyl isethionate). The bar of this invention is mild, smells better than a bar made with ordinary sodium cocoyl isethionate (SCI), is more stable in terms of both odor and color, and is easier to make.A preferred STCI bar contains a higher level of moisture without processing negatives which higher level of moisture contributes to better lather. The sodium topped cocoyl isethionate (STCI) also allows for an increase in levels of liquids and hygroscopic materials, in the bar formulation without the usual processing negatives.Type: GrantFiled: September 21, 1995Date of Patent: October 28, 1997Assignee: The Procter & Gamble CompanyInventors: Peter William Beerse, James Charles Dunbar, Eddie Charles Walker
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Patent number: 5674824Abstract: a method of forming a bar of soap from a plurality of soap bar slivers including the steps of: providing a cementing agent including a mixture containing powdered bar soap and powdered talcum in proportions equal to between two-to-one and ten-to-one powdered bar soap to powdered talcum that has been mixed with sufficient water to form a paste; and utilizing the cementing agent to cement the soap slivers into an agglomeration bar.Type: GrantFiled: November 13, 1995Date of Patent: October 7, 1997Inventor: Lola T. B. Eschette
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Patent number: 5670471Abstract: A concentrate that is particularly useful as a pearling agent or for preparing emulsions is provided. The concentrate includes from 60 to 90% by weight of a mixture of at least one alkylglycoside of the formula RO(G).sub.x and of at least one alkylglycoside of the formula R'O(G').sub.x '. R represents a saturated or unsaturated linear or branched aliphatic radical containing from 8 to 15 carbon atoms. R' represents a saturated or unsaturated linear or branched aliphatic radical containing from 16 to 22 carbon atoms. G and G', which are identical or different, represent a saccharide residue. The subscripts x and x', which are identical or different, represent a number between 1 and 10. The concentrate also includes from 10 to 40% by weight of at least one fatty alcohol of the formula R.sub.1 OH, R.sub.1 being a saturated or unsaturated linear or branched aliphatic radical containing from 8 to 22 carbon atoms.Type: GrantFiled: November 8, 1995Date of Patent: September 23, 1997Assignee: Societe d'Exploitation de Produits pour les Industries Chimiques, S.E.P.P.I.C.Inventors: Chantal Amalric, Nelly Lecocu-Michel
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Patent number: 5661120Abstract: The invention describes detergent bar compositions comprising liquid silicone compounds or emulsions of said compounds which are used in relatively small levels as processing aids. These compounds allow pellets coming off a chill roll or refiner to be less tacky such that they do not readily clog machinery when the pellets are transferred to silos.Type: GrantFiled: June 27, 1994Date of Patent: August 26, 1997Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Kevin Michael Finucane, Frederick Silvio Osmer, James Joseph Corr
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Patent number: 5656579Abstract: The invention relates to mild toilet soap bars, comprising blends of soap with one or more coactives. There is a need for mild bars which do not have the processing problems associated with the use of superfatting agents and co-actives, which can be made without difficulty on conventional soap production lines without substantial modification of the lines and yet provide a product with reduced harshness while maintaining lathering and structural properties. Moreover, it is desirable that soap bars should not suffer from the defect of grittiness and also have a composition which contains relatively low levels of the significantly more expensive lauric fats. We have determined that in soap bars which comprise at least 25% wt. on total actives of lauric acid soaps; as the balance of the soaps, non-lauric soaps having an iodine value of less than 45; at least 5% wt.Type: GrantFiled: March 6, 1996Date of Patent: August 12, 1997Assignee: Lever Brothers Company, Divison of Conopco, Inc.Inventors: John George Chambers, Geoffrey Irlam
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Patent number: 5631215Abstract: Personal cleansing bars having a relatively high moisture content are made by forming a soap composition comprised of a neutralized tallow-free fatty acid mixture having an iodine value of less than about 7 and an alkyl polyglycoside of the formula IR.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 saccharide residue having 5 or 6 carbon atoms; a is a number having a value from 1 to about 6. The soap composition is then finished to produce a bar having from about 15% to about 30% by weight of water.Type: GrantFiled: September 22, 1994Date of Patent: May 20, 1997Assignee: Henkel CorporationInventor: Donald V. Kinsman
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Patent number: 5620951Abstract: A composition comprising an ethoxylated alkyl glyceryl ether sulfonate wherein the alkyl is twelve to fifteen carbon atoms, with no more than about 50 wt. % branched alkyl, no more than about 20 wt. % alkenyl, the average number of ethoxy groups is one, and no more than about 25 wt. % of the sulfonate components having ethoxy groups with a value of four or more.Type: GrantFiled: March 27, 1995Date of Patent: April 15, 1997Assignee: Colgate-Palmolive CompanyInventors: Ravi Subramanyam, Ben Gu
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Patent number: 5607909Abstract: The present invention relates to a mild, lathering personal cleansing freezer bar composition by weight of the bar comprising: from 30 to 85 parts of tailored fatty acid soap, from 0 parts to 30 parts lathering synthetic detergent/surfactant, and from 15 to 35 parts of water. The tailored fatty acid soap comprises:I. from 50% to 85% is saturated fatty acid soap selected from the group consisting of: myristic, palmitic, and stearic acid soaps and mixtures thereof; andII. from 15% to 50% by weight of total soap is selected from the group consisting of: oleic (C18:1) and lauric acid (C12) soaps; andwherein said tailored fatty acid soap is a mixture of 65% to about 95% sodium soap and from 5% to about 35% magnesium soap.Type: GrantFiled: January 31, 1995Date of Patent: March 4, 1997Assignee: The Procter & Gamble CompanyInventors: Philip J. Kefauver, Fernando R. Toll ens, Scott W. Syfert
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Patent number: 5602087Abstract: A composition comprising a compound of the formulaROCH.sub.2 CH.sub.2 SO.sub.3.sup.- X.sup.+wherein R is alkyl or alkenyl of eight to twenty two carbon atoms, inclusive or a mixture thereof and X is an alkali metal, alkaline earth metal, ammonium or substituted ammonium in combination with a soap or additional surfactant and moisture.Type: GrantFiled: August 2, 1994Date of Patent: February 11, 1997Assignee: Colgate-Palmolive CompanyInventors: Ravi Subramanyam, Ben Gu
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Patent number: 5602088Abstract: Disclosed is a solid, floating soap which has a formulation density greater than water or a liquid of like density, and which has an overall physical density less than water or a liquid of like density, and a method of making the floating soap.Type: GrantFiled: June 7, 1995Date of Patent: February 11, 1997Assignee: Avon Products, Inc.Inventors: Richard Tokosh, Linda Dunseath, Joseph Stephenson
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Patent number: 5547602Abstract: Soap bars which both clean and moisturize the skin are disclosed. The soap bars contain, in addition to conventional bar soap components, a mixture of petrolatum and a specifically defined emollient, preferably an hydroxylated milk glyceride.Type: GrantFiled: May 12, 1995Date of Patent: August 20, 1996Assignee: The Broxon Marketing Group, Inc.Inventor: William H. Schuler
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Patent number: 5540853Abstract: Personal treatment compositions including cleansing and/or cosmetic compositions are disclosed, the cleansing compositions, for example, comprising from about 0.001% to about 10%, preferably from about 0.005% to about 6%, enduring perfume; from about 0.01% to about 95% surfactant system; and the balance carrier. The enduring perfume provides a lasting olfactory sensation thus minimizing the need to use large amounts. Preferred compositions are liquid and comprise water as a carrier.Type: GrantFiled: October 20, 1994Date of Patent: July 30, 1996Assignee: The Procter & Gamble CompanyInventors: Toan Trinh, Dennis R. Bacon, Angie Trandai
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Patent number: 5540854Abstract: The present invention relates to synthetic bar compositions comprising minimum levels of polyalkylene glycol. Addition of organic amide to such compositions has been found to provide unexpected benefits, i.e., in preventing phase separation.Type: GrantFiled: April 28, 1995Date of Patent: July 30, 1996Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Michael J. Fair, Terence Farrell
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Patent number: 5540852Abstract: The present invention relates to a mild, lathering personal cleansing soap bar composition by weight of the bar comprising: from 30 to 85 parts of tailored fatty acid soap, from 0 parts to 30 parts lathering synthetic detergent/surfactant, and from 5 to 35 parts of water. The tailored fatty acid soap comprises:I. from 50% to 85% is saturated fatty acid soap selected from the group consisting of: myristic, palmitic, and stearic acid soaps and mixtures thereof; andII. from 15% to 50% is mixture of oleic (C18:1) and lauric acid (C12) soaps; including from 0 to 10% minor fatty acid soaps selected from the group consisting of: C8, C10, C18:2; and mixtures thereof;wherein said tailored fatty acid soap is a mixture of 65% to about 95% sodium soap and from 5% to about 35% magnesium soap.Type: GrantFiled: January 31, 1995Date of Patent: July 30, 1996Assignee: The Procter & Gamble CompanyInventors: Philip J. Kefauver, Fernando R. Toll ens, Scott W. Syfert
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Patent number: 5534212Abstract: The invention provides a process for the manufacture of soap forms which includes the step of treating a soap feedstock by passage through a twin screw, intermeshing, counter-rotating extruder and apparatus for the manufacture of soap forms according to the process, said apparatus containing a twin screw, intermeshing, counter-rotating extruder, wherein the extruder includes two oppositely-threaded, closely intermeshing screws, the screws being non-matching and such that the ratio of the length to the diameter is greater than 1:1, mounted for rotation within a barrel having a first end and a second end, said screws having a minimal screw-to-screw and screw to barrel clearance such that as the feedstock passes along at least a part of the barrel from said first end and towards said second end it is divided into a plurality of discrete, substantially C-shaped segments bounded by the screw and barrel surfaces and conveyed in a path whereby the bulk of the feedstock move substantially parallel to the rotational aType: GrantFiled: February 10, 1995Date of Patent: July 9, 1996Assignee: Lever Brothers Company, Division of Conopco,Inc.Inventors: Kalyansundaram D. Chokappa, Vijay M. Naik