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Stepan Company Patents
Assignee:
Stepan Company
Address:
Northfield, IL
No. of patents:
98
Patents:


1 2










Patent Number Title Of Patent Date Issued
8222455 Polycationic viscoelastic compositions July 17, 2012
Viscoelastic compositions are disclosed herein containing an effective amount of one or more random or structurally defined polycationic quaternary ammonium compounds for controlling the viscoelasticity of the composition. In one aspect, the present technology provides polycationic q
8203012 Process for preparing conjugated linoleic acid and derivatives thereof from ricinoleic acid June 19, 2012
A process for preparing conjugated linoleic acid (CLA) or derivatives thereof from ricinoleic acid, lower alkyl esters of ricinoleic acid, or salts thereof. The CLA is formed by reacting a carboxylic acid, or anhydride, anhydride equivalent, or ester thereof with the ricinoleic acid
8148308 Liquid cleansing compositions April 3, 2012
A liquid cleansing composition comprising a glyceryl caprylate/caprate ester that provides excellent viscosity-building properties, as well as enhanced foaming properties. The glyceryl caprylate/caprate ester is preferably glyceryl caprylate/caprate, and is preferably obtained by est
8129328 Compositions comprising sulfonated estolides and alkyl ester sulfonates, methods of making them, March 6, 2012
Compositions comprising sulfo-estolides and alkyl ester sulfonates are described. Detergent formulations, such as laundry detergents, softeners, and other materials, containing any of these materials are disclosed, as well as personal care formulations, hard surface cleaner formulations,
8124577 Personal care compositions of sulfonated estolides and other derivatives of fatty acids and uses February 28, 2012
Formulations of personal care compositions and personal care concentrate compositions containing sulfo-estolides are described. Personal care compositions of the present technology include liquid hand soaps, bath and shower washes, shampoos, 2-in-1 or 3-in-1 shampoos, antidandruff sh
8119588 Hard surface cleaner compositions of sulfonated estolides and other derivatives of fatty acids a February 21, 2012
Sulfo-estolides and formulations of sulfo-estolides in and as hard surface cleaners, glass cleaners, toilet bowl cleaners, carpet cleaners, all purpose cleaners, floor cleaners, and others are described. Further details of cleaning performance, stability of diluted and concentrated f
8101707 Process for the direct manufacture of polyglycerol polyricinoleate January 24, 2012
A process for manufacturing polymers of glycerin and hydroxyl fatty acids, for example, polyglycerol polyricinoleates, which mix a polyglycerol with a hydroxyl fatty acid directly to form a reaction mixture, and then heat the reaction mixture to a temperature sufficient to cause it t
8058223 Automatic or machine dishwashing compositions of sulfonated estolides and other derivatives of f November 15, 2011
Sulfo-estolides and methods of making them are described. Useful methods include acid side bleaching, partial hydrogenation of the fatty acid, pretreatment of the fatty acid to provide color inhibition, acid side hydrolysis of the sulfo-estolides, or conversion of SHP to an essentially
8053400 Liquid cleansing composition comprising a ternary mixture of anionic surfactants November 8, 2011
A personal cleansing composition exhibiting enhanced skin feel (i.e., enhanced skin softness, reduced skin irritation, reduced residue, and reduced greasy, tacky, or tight skin feel), enhanced foaming and lather, and good cleansing, more specifically, a personal cleansing composition
8026206 Low solids, high viscosity fabric softener compositions and process for making the same September 27, 2011
Disclosed are low solids and high viscosity fabric softener compositions and processes for preparing them. The composition contains from about 0.05% to about 10% by weight of a rheology modifying fabric softening active comprising at least one long chain amine of the present technolo
7998920 Sulfonated estolide compositions containing magnesium sulfate and processes employing them August 16, 2011
Formulations of sulfo-estolides, sulfo-estolide derivatives and salts of sulfo-estolides that contain magnesium ions are described. Methods of manufacture and the various applications and/or processes of utilizing magnesium ion containing formulations of sulfo-estolides, sulfo-estolide
7947633 Polycationic viscoelastic compositions May 24, 2011
Viscoelastic compositions are disclosed herein containing an effective amount of one or more random or structurally defined polycationic quaternary ammonium compounds for controlling the viscoelasticity of the composition. In at least one aspect, the present technology provides polyc
7884064 Light duty liquid detergent compositions of sulfonated estolides and other derivatives of fatty February 8, 2011
Light duty liquid detergent formulations that contain sulfo-estolide surfactants, sulfo-estolide derivatives and salts of sulfo-estolides are disclosed. The compositions of the presently described technology are useful for soil removal applications including, but not limited to, wash
7884057 Polycationic viscoelastic compositions February 8, 2011
Viscoelastic compositions are disclosed herein containing an effective amount of one or more random or structurally defined polycationic quaternary ammonium compounds for controlling the viscoelasticity of the composition. In at least one aspect, the present technology provides polyc
7879790 Mixed salts of sulfonated estolides and other derivatives of fatty acids, and methods of making February 1, 2011
Sulfo-estolides and methods of making them are described. Also described are phase-stable compositions formed from mixtures of different salts of sulfo-estolides, particularly mixtures of sodium and potassium salts of sulfo-estolides, and methods of obtaining phase-stable sulfo-estolide
7879769 Polycationic viscoelastic compositions February 1, 2011
Viscoelastic compositions are disclosed herein containing an effective amount of one or more random or structurally defined polycationic quaternary ammonium compounds for controlling the viscoelasticity of the composition. In one aspect, the present technology provides polycationic q
7867951 Viscoelastic cationic carbohydrate ether compositions January 11, 2011
A viscoelastic composition containing an effective amount of at least one cationic carbohydrate ether having one or more cationic fragments and one or more carbohydrate fragments connected through one or more linker fragments for controlling the viscoelasticity of the composition, wherei
7833956 Water compatible emollient for cleansing products November 16, 2010
A cleansing composition comprising a water-compatible emollient that provides enhanced skin-feel characteristics, as well as viscosity-building properties. The water-compatible emollient is an alkoxylated derivative of glyceryl cocoate containing both propylene oxide and ethylene oxi
7774978 Method of controlling the release of agricultural active ingredients from treated plant seeds August 17, 2010
A method of controlling the release rate of an agricultural active ingredient from a seed that has been treated with that active includes providing a seed that has been treated with the active ingredient, applying to the treated seed a film that includes an emulsion of a polymer in a
7759096 Process for enzymatic production of triglycerides July 20, 2010
A process for enzymatic production of glyceride compositions, specifically industrially practicable production of triglycerides, including conjugated linoleic and linolenic acid triglycerides, and the compositions produced by such process. An enzymatic reaction zone is first utilized
7732506 Radiation-curable compositions for improved weather resistance June 8, 2010
Disclosed are radiation-curable compositions comprising at least one ortho-phthalate (meth)acrylate, and optionally a (meth)acrylate monomer, a stabilizing package, an adhesion promoter, and/or a photoinitiator. The compositions maintain physical integrity when cured and then aged for
7666828 Sulfonated estolides and other derivatives of fatty acids, methods of making them, and compositi February 23, 2010
Sulfo-estolides and methods of making them are described. Useful methods include acid side bleaching, partial hydrogenation of the fatty acid, pretreatment of the fatty acid to provide color inhibition, acid side hydrolysis of the sulfo-estolides, or conversion of SHP to an essentially
7423167 Ethylenically unsaturated amine salts of sulfonic, phosphoric and carboxylic acids September 9, 2008
Disclosed are ethylenically unsaturated amine salts of sulfonic, phosphoric and carboxylic acids. The salts are surface active agents which are useful in a variety of applications as primary and/or secondary surfactants. The salts are especially useful as surfactants in emulsion poly
7256306 Arylalkylsulfonic acids and methods for producing same August 14, 2007
This invention relates new and improved processes for the preparation of arylalkylsulfonic acids derived from aromatic or substituted aromatic molecules and AOS acid (generally a mixture of alkenesulfonic acid and sultones, produced from the sulfonation of alpha olefins) and to cleaning
7026418 Emulsion polymerization process utilizing ethylenically unsaturated amine salts of sulfonic, pho April 11, 2006
Disclosed is an improved method of making polymers. The method utilizes at least one ethylenically unsaturated monomer and at least one polymerizable surface active agent. The polymerizable surface active agent is capable of co-polymerization with traditional monomers and/or polymeri
7001879 Articles and methods for treating fabrics based on acyloxyalkyl quaternary ammonium compositions February 21, 2006
Disclosed are automatic dryer added fabric conditioning articles and methods utilizing fabric conditioning compositions comprising from about 20 percent to about 80 percent by weight of a mixture of quaternary ammonium compounds, and between about 80 percent to about 20 percent by we
6906025 Articles and methods for treating fabrics based on acyloxyalkyl quaternary ammonium compositions June 14, 2005
Disclosed are automatic dryer added fabric conditioning articles and methods utilizing fabric conditioning compositions comprising from about 20 percent to about 80 percent by weight of a mixture of quaternary ammonium compounds, and between about 80 percent to about 20 percent by we
6900265 Antimicrobial polymer latexes derived from unsaturated quaternary ammonium compounds and antimic May 31, 2005
An improved method of making CASE materials is provided, wherein the method utilizes a polymer latex derived from at least one ethylenically unsaturated monomer and at least one polymerizable surface active agent. The polymerizable surface active agent is capable of co-polymerization
6897327 Manufacture of conjugated linoleic salts and acids May 24, 2005
A process to manufacture conjugated linoleic acid (CLA)-containing materials such as conjugated linoleic salts and acids that are enriched in desirable cis-9, trans-11- and trans-10, cis-12-CLA isomers and are low in certain undesirable isomers. The process generally entails isomerizatio
6855844 Phtalic anhydride based polyester-ether polyols and double metal cyanide catalyst system for pre February 15, 2005
Disclosed are polyester-ether polyols and their use in urethane prepolymers, urethane foams and non-foam urethane coatings, adhesives, sealants and/or elastomers. Methods for producing such polyester-ether polyols using double metal cyanide catalysts are disclosed, along with methods
6822105 Method of making alkyl esters using glycerin November 23, 2004
A method for making alkylesters, or methylester specifically, such as biodiesel, from an oil source is described. The method involves converting the free fatty acids of the oil source into a mixture of mono-, di-, and tri-glycerides and subsequently transesterifying the newly formed
6768015 Method of making alkyl esters using pressure July 27, 2004
A method for making alkyl esters, or methylester specifically, such as biodiesel, from an oil source is described. The method involves simultaneously reacting the free fatty acids and glycerides of the oil source with methanol, under pressure up to 500 psia, into fatty acid alkyl est
6664363 Low viscosity polyester polyols and methods for preparing same December 16, 2003
The present invention relates to low viscosity aromatic polyester polyols having an average functionality of two and methods for preparing such polyols. In particular, the invention relates to low viscosity aromatic polyester polyols prepared by reacting a phthalic acid based material wi
6569352 Phthalic anhydride based polyester-ether polyols and urethane prepolymers produced therefrom May 27, 2003
Disclosed are polyester-ether polyols and their use in urethane prepolymers, urethane foams and non-foam urethane coatings, adhesives, sealants and/or elastomers. Methods for producing such polyester-ether polyols are disclosed, along with methods for producing urethane prepolymers.
6528070 Emulsion comprising a ternary surfactant blend of cationic, anionic, and bridging surfactants, o March 4, 2003
The present invention relates to emulsions comprising an emulsification system comprising a mixture of at least one cationic surfactant, at least one anionic surfactant, at least one "bridging surfactant", an oil and water, along with methods for preparing such emulsions. More specifical
6506804 Ethylenically unsaturated amine salts of sulfonic, phosphoric, and carboxylic acids January 14, 2003
Disclosed are ethylenically unsaturated amine salts of sulfonic, phosphoric and carboxylic acids. The salts are surface active agents which are useful in a variety of applications as primary and/or secondary surfactants. The salts are especially useful as surfactants in emulsion polymeri
6492445 Antimicrobial polymer latexes derived from unsaturated quaternary ammonium compounds and antimic December 10, 2002
Antibacterial CASE materials comprising a latex comprising polymer particles and a surfactant component. Also disclosed are components and methods for forming such materials.
6423326 Cold-mix water-in-oil emulsions comprising quaternary ammonium compounds and process for produci July 23, 2002
The present invention relates to stable cold-mix water-in-oil emulsions and methods for preparing such emulsions. The cold-mix water-in-oil emulsions comprise oil (i.e., an emollient), water and an emulsification system comprising a quaternary ammonium-based low HLB emulsifier and option
6423303 Water-in-oil emulsions containing increased amounts of oil and methods for preparing same July 23, 2002
Water-in-oil emulsions are disclosed that comprise (a) water; (b) from about 10 to 65% by weight of an oil; and (c) an emulsification system comprising a polysiloxane polyalkyl polyether copolymer and a phthalic anhydride derivative, substantially permanently maintaining the water a
6407162 Emulsion polymerization process utilizing ethylenically unsaturated amine salts of sulfonic, pho June 18, 2002
Disclosed is an improved method of making polymers. The method utilizes at least one ethylenically unsaturated monomer and at least one polymerizable surface active agent. The polymerizable surface active agent is capable of co-polymerization with traditional monomers and/or polymerizati
6359079 Durable hydrophilic polymer coatings March 19, 2002
Polyoxypropylamines, polypropylene oxide polymers endcapped on one or both ends with carbamate groups, di- or tri-carboxylic acids, carboxylic acid halides, or esters or mixtures comprising one of the above with a hydrophilic polyester copolymer having repeating segments of ethylene
6359022 Pentane compatible polyester polyols March 19, 2002
Disclosed are aromatic polyester polyols, polyol based resin blends, and rigid closed-cell polyisocyanate-based foams made using the polyol based resin blends. The resin blends generally comprise:(a) an aromatic polyester polyol reaction product formed by inter-esterification of a phthal
6339057 High foaming detergent composition having a non-ionic surfactant base January 15, 2002
Disclosed are aqueous liquid cleaning compositions, the compositions being free of anionic surfactants and comprising: (a) linear alcohol ethoxylate; (b) amine oxide or betaine; and other, optional components, such as a cationic ammonium compound.
6306805 Shampoo and body wash composition comprising ternary surfactant blends of cationic, anionic, and October 23, 2001
The present invention relates to surfactant compositions comprising a mixture of at least one cationic surfactant, at least one anionic surfactant, preferably a sulfonated methyl ester and/or a sulfonated fatty acid, and at least one "bridging surfactant" selected from semi-polar non
6281178 Reduced residue hard surface cleaner comprising hydrotrope August 28, 2001
Disclosed are aqueous hard surface cleaning compositions comprising detergent surfactant and, optionally, detergent builder and a hydrotrope in an amount sufficient to prevent filming and/or streaking after a surface is cleaned with the compostions.
6254859 Hair and skin conditioning compositions July 3, 2001
Disclosed are compositions for cleaning and conditioning of hair and/or skin comprising a mixture preparable by transesterification of a triglyceride with sucrose. These compositions typically further comprise various surfactants and optional ingredients depending on the specific com
6242526 Antimicrobial polymer latexes derived from unsaturated quaternary ammonium compounds and antimic June 5, 2001
Antimicrobial coating, adhesive, sealant and elastomeric materials comprising a latex containing polymer particles and a primary surfactant component where the particles are formed by the reaction of an ethylenically unsaturated monomer and a polymerizable antibacterial quaternary am
6239240 Emulsion polymerization process utilizing ethylenically unsaturated amine salts of sulfonic, pho May 29, 2001
Disclosed is an improved method of making polymers. The method utilizes at least one ethylenically unsaturated monomer and at least one polymerizable surface active agent. The polymerizable surface active agent is capable of co-polymerization with traditional monomers and/or polymerizati
6218346 Methods for cleaning, conditioning and styling hair April 17, 2001
Disclosed are hair care compositions and methods for preparing such compositions which provide the benefits of cleaning, conditioning, curl retention, styling and setting properties simultaneously to hair in the application of a single product. The hair care compositions contain fatty
6211257 Open celled polyurethane foams and methods and compositions for preparing such foams April 3, 2001
Disclosed are methods and compositions for preparing polyurethane foams using emulsified polyol mixture comprising(a) a polyol formulation comprising a polyester polyol having an OH value of from about 150 to 350; and(b) a cell opening agent.
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