Polycarboxylic Acid Component, Or Acid Anhydride Or Salt Thereof (e.g., Sodium Citrate, Maleic Anhydride Polymer, Polyacrylic Acid, Etc.) Patents (Class 510/361)
-
Patent number: 5630848Abstract: A home dry cleaning article is provided. Thus, a hydroentangled carrier sheet comprising mixed cellulosic, rayon, polyester and optional bicomponent fibers which is releasably impregnated with solvents such as butoxy propoxy propanol, 1,2-octanediol as a wetting agent, water and an emulsifier is prepared. The article is placed in a plastic bag with soiled garments and tumbled in a hot-air clothes dryer. The garments are cleaned and refreshed.Type: GrantFiled: October 17, 1995Date of Patent: May 20, 1997Assignee: The Procter & Gamble CompanyInventors: Terrill A. Young, Jane L. Bavely, Timothy C. Roetker, Maxwell G. Davis
-
Patent number: 5620952Abstract: Stock solutions of polyhydroxy fatty acid amide surfactants at high concentrations are characterized by their unfortunate tendency to thicken, or gel, on storage. Mild heating and the inclusion of carboxylates such as oxydisuccinate, citrate or tartrate-succinate maintain the viscosity of such solutions below about 2,000 centipoise, even at temperatures around 30.degree. C.Type: GrantFiled: March 11, 1996Date of Patent: April 15, 1997Assignee: The Procter & Gamble CompanyInventors: Yi-Chang Fu, Peter R. Foley, Julie A. Dyet, Peter G. Mather, Robert Mermelstein, Brian J. Roselle
-
Patent number: 5618782Abstract: An aqueous detergent slurry composition comprising (A) about 5-60% of inorganic builder salts; (B) about 5-70% of detergent active matter selected from the group consisting of anionic, nonionic, cationic, amphoteric and zwitterionic surfactants; and (C) about 0.01-10% of a hydrophilic copolymer comprising a hydrophilic monomer copolymerized with an oxyalkylated monomer.Type: GrantFiled: May 23, 1995Date of Patent: April 8, 1997Assignee: BASF CorporationInventors: Sridhar Gopalkrishnan, Kathleen M. Guiney, John V. Sherman, David T. Durocher, Michael C. Welch
-
Patent number: 5616547Abstract: Environmentally improved, storage-stable detergent compositions, having good efficacy in terms of both primary and secondary detergency, contain a surfactant and an in situ, wash water-hydrolyzable polyimide biopolymer, such polyimide biopolymer having a COO.sup.- charge density ranging from 0 to 5.times.10.sup.-4 mol/g thereof and the at least partially biodegradable polypeptide detergent builder hydrolysate thereof having a COO.sup.- charge density of at least 10.sup.-3 mol/g thereof.Type: GrantFiled: March 9, 1994Date of Patent: April 1, 1997Assignee: Rhone-Poulenc ChimieInventors: Arnaud Ponce, Florence Tournilhac
-
Patent number: 5605883Abstract: The present invention is a granular colorant speckle exhibiting reduced colorant spotting, the speckle which comprises:(a) an insoluble dispersible carrier;(b) a surfactant; and(c) a substantive agent.The present invention also discloses a method for forming a colorant speckle suitable for use as a granular laundry detergent component, or a laundry additive. The speckle of the present invention is preferably produced by an agglomeration process utilizing, for example, a fluid-bed or rotary falling curtain type agglomerator.Type: GrantFiled: November 8, 1995Date of Patent: February 25, 1997Inventors: Robert J. Iliff, Linda A. Bernard, Erle D. Mankin
-
Patent number: 5602092Abstract: Concentrated, structured liquid detergent compositions in the form of lamellar surfactant droplets dispersed in an aqueous electrolytic continuous phase comprises a mixture of:a) from about 10 to 45% by weight of surfactant;b) at least one detergent builder;c) from about 0.01 to about 5% by weight of a deflocculating polymer composition containing polymer chains of the structure P-QR, wherein P represents a polymer chain segment of a hydrophilic polymer, and QR represents a hydrophobic end-cap group wherein R is an organic hydrophobic radical containing from about 4 to 28 carbon atoms, and Q is selected from the group consisting of O, S, SO, SO.sub.Type: GrantFiled: September 18, 1995Date of Patent: February 11, 1997Assignee: Colgate-Palmolive CompanyInventors: Stephen T. Repinec, Jr., Marianne Zappone, Robert L. Fuller, Santhana V. Krishnan
-
Patent number: 5599784Abstract: Liquid detergent compositions comprise hydrophobically-terminated, hydrophilic polymers as deflocculating agents, phase stabilizers, builders or co-builders and viscosity modifiers, in addition to detergent active material and electrolytes contained in an aqueous continuous phase.Type: GrantFiled: March 14, 1994Date of Patent: February 4, 1997Assignee: National Starch and Chemical Investment Holding CorporationInventor: Peter Bainbridge
-
Patent number: 5597794Abstract: The invention is a process for producing surfactant granules by mixing a water-containing surfactant with a solid to form granules, drying the granules and recycling the dried granules as a portion of the solid.Type: GrantFiled: October 17, 1994Date of Patent: January 28, 1997Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Volker Bauer, Wilfried Raehse, Andreas Syldath, Ditmar Kischkel
-
Patent number: 5595968Abstract: An aqueous soda ash based detergent slurry composition comprising (A) about 5-65% of inorganic builder salt comprising soda ash, and (B) about 0.01-20% of a copolymer comprising an unsaturated monomer copolymerized with an oxyalkylated monomer.Type: GrantFiled: May 23, 1995Date of Patent: January 21, 1997Assignee: BASF CorporationInventors: Sridhar Gopalkrishnan, Kathleen M. Guiney
-
Patent number: 5591236Abstract: Aqueous cleaning compositions containing solvents such as butoxy propoxy propanol (BPP) are emulsified using low levels of polyacrylate emulsifiers. Thus, an emulsion comprising BPP, a polyacrylate, optional surfactants, optional 1,2-octanediol and water is applied to fabrics in a home dry cleaning operation.Type: GrantFiled: October 17, 1995Date of Patent: January 7, 1997Assignee: The Procter & Gamble CompanyInventor: Timothy C. Roetker
-
Patent number: 5589449Abstract: A particulate foam control agent comprises 1 to 30 parts silicone antifoam, 70 to 99 parts zeolite carrier, 1 to 60% of the antifoam of an organopolysiloxane polyoxyalkylene copolymer, deposited onto the zeolite carrier not later than the antifoam and 1 to 40 parts by weight of a polycarboxylate-type binder or encapsulant. This combination give good release in early stages, storage stability and powder characteristics.Type: GrantFiled: July 22, 1994Date of Patent: December 31, 1996Assignee: Dow Corning S.A.Inventors: Leonidas Kolaitis, Bertrand L. J. Lenoble, Mark A. Prince
-
Patent number: 5587356Abstract: Low cost, effective aqueous heavy duty liquid laundry detergent compositions are provided. Such compositions contain relatively low levels of an anionic/nonionic-based suffactant system along with a protease-containing enzyme component, a low-cost viscosity-enhancing agent and relativly large amounts of water. The anionic component of the surfactant system comprises a combination of alkyl sulfate and alkyl ether sulfate. The nonionic component of the suffactant system comprises fatty alcohol ethoxylates. Only minimal amounts of other detergent composition adjuvants are permitted in such compositions.Type: GrantFiled: April 3, 1995Date of Patent: December 24, 1996Assignee: The Procter & Gamble CompanyInventors: Shelley L. Dauderman, Linda C. McWilliams, Hari A. Nair, Gary G. Staud
-
Patent number: 5583098Abstract: A particulate detergent composition having a bulk density of at least 650 g/l which is not the product of a spray-drying process consists of a substantially homogeneous granular base and optional postdosed ingredients. The composition comprises a surfactant system, alkali metal aluminosilicate builder, and a water-soluble salt of citric acid, preferably sodium citrate, and optionally other ingredients. The delivery and dissolution characteristics of the composition in the wash are improved if citrate of Rosin Rammler particle size less than 800 .mu.m is incorporated within the granular base. The composition may also contain postdosed citrate of unrestricted particle size.Type: GrantFiled: November 17, 1994Date of Patent: December 10, 1996Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Jelles V. Boskamp, Mark P. Houghton, Christophe Joyeux, Carolyn A. Rowe, Cornelis E. J. van Lare, Gilbert M. Verschelling, Petra Zuidgeest
-
Patent number: 5575946Abstract: Water-softening formulations which comprise:(a) a biodegradable copolymer;(b) an inorganic water-softening silicate; and, optionally,(c) another inorganic salt;(d) a dispersing and complexing agent; and(e) a surfactant and also additional customary additives have improved biodegradability.Type: GrantFiled: April 28, 1994Date of Patent: November 19, 1996Assignee: Chemische Fabrik Stockhausen GmbHInventors: Rudolf Beck, Frank Krause, Udo Schoenkaes
-
Patent number: 5574113Abstract: Polycocondensates based on aspartic acid which are obtainable by condensing aspartic acid in the presence of polymers containing carboxyl groups, which contain at least 10 mol % of a monoethylenically unsaturated carboxylic acid in copolymerized form and have a molecular weight of at least 300, in the weight ratio from 1,000:1 to 2:1, processes for preparing the polycocondensates and use of the polycocondensates in the form of the free acid groups or in a form neutralized with ammonia, amines, alkali metal or alkaline earth metal bases as an additive to detergents and cleaners, as scale inhibitors or as dispersants for finely divided solids are described.Type: GrantFiled: September 13, 1995Date of Patent: November 12, 1996Assignee: BASF AktiengesellschaftInventors: Matthias Kroner, Gunnar Schornick, Walter Denzinger, Richard Baur, Alexander Kud, Birgit Potthoff-Karl, Volker Schwendemann
-
Patent number: 5574004Abstract: A non-bleaching laundry detergent composition, wherein the solids content comprises an active surfactant, at least about 70 wt. % of a water soluble alkaline carbonate, e.g., sodium carbonate, a minor amount of a polymeric polycarboxylate, e.g., an acrylic acid polymer, and a minor amount of elemental zinc in the form of a water soluble salt, e.g., a hydrated or anhydrous zinc sulfate, such as zinc sulfate heptahydrate or monohydrate, based on the total weight of solids in the composition. Incorporation of a polymeric polycarboxylate and zinc ions in the foregoing laundry detergent composition containing carbonate ions has the effect of significantly reducing fabric encrustation caused by the precipitation of calcium carbonate.Type: GrantFiled: November 15, 1994Date of Patent: November 12, 1996Assignee: Church & Dwight Co., Inc.Inventor: Charles D. Carr
-
Patent number: 5569645Abstract: A low dosage, highly dense detergent product is provided. The detergent composition comprises: (a) from about 40% to about 80% by weight of spray dried detergent granules; (b) from about 20% to about 60% by weight of detergent agglomerates having a density of at least about 700 g/l; and (c) from about 1% to about 20% by weight of adjunct ingredients. The weight ratio of the granules to the agglomerates is from about 3:1 to about 1:3 and the composition has a density of at least about 650 g/l.Type: GrantFiled: March 24, 1995Date of Patent: October 29, 1996Assignee: The Procter & Gamble CompanyInventors: Alan R. Dinniwell, Matthew I. Wasserman
-
Patent number: 5565420Abstract: A granular detergent composition having improved solubility or dispersability in laundering solutions is provided. The detergent composition contains especially selected amounts of detergent composition ingredients including: (a) from about 5% to about 20% by weight of a C.sub.12-14 linear alkylbenzene sulfonate surfactant; (b) from about 5% to about 20% by weight of a C.sub.14-15 alkyl sulfate surfactant; (c) from about 0.1% to about 10% by weight of a C.sub.14-15 alkyl ethoxylated sulfate surfactant having an average degree of ethoxylation of from about 1 to 9; (d) from about 0.1% to about 5% by weight of polyethylene glycol; (e) from about 0.1% to about 5% by weight of polyacrylate; (f) from about 10% to about 35% by weight of aluminosilicate builder; (g) from about 10% to about 35% by weight of sodium carbonate; and (h) from about 0.1% to about 5% by weight of a C.sub.10-14 fatty alcohol.Type: GrantFiled: June 6, 1995Date of Patent: October 15, 1996Assignee: The Procter & Gamble CompanyInventor: Charles L. Stearns
-
Patent number: 5559090Abstract: Aqueous acidic bleaching compositions are described which comprise hydrogen peroxide and a specific class of surfactants which stabilize hydrogen peroxide.Type: GrantFiled: September 22, 1994Date of Patent: September 24, 1996Assignee: The Procter & Gamble CompanyInventors: Stefano Scialla, Sergio Cardola
-
Patent number: 5559273Abstract: There is described a low-foaming, nonsilicone, aqueous textile auxiliary composition comprising(a) a homopolymer of an ethylenically unsaturated sulfonic or carboxylic acid or an anhydride thereof,(b) a nonionic surfactant of formula ##STR1## wherein R is an aliphatic radical of at least 8 carbon atoms,R.sub.1 is hydrogen, C.sub.1 -C.sub.8 alkyl, a cycloaliphatic radical of at least 5 carbon atoms, styryl, an unsubstituted or halogen substituted C.sub.1 -C.sub.10 alkylisocyanato or an unsubstituted or by a hetero atom substituted cycloalkylisocyanato or cycloalkenylisocyanato radical,"alkylene" denotes an alkylene radical of 2 to 4 carbon atoms, andp is an integer from 2 to 60, and optionally(c) a hydrotropic agent.The textile auxiliary composition is suitable for use as dispersants and for wetting, washing and/or bleaching fiber materials.Type: GrantFiled: June 7, 1995Date of Patent: September 24, 1996Assignee: Ciba-Geigy CorporationInventors: Christian Guth, Albert Stehlin, Christoph Krohnke
-
Patent number: 5552078Abstract: A powdered laundry detergent composition comprising an active surfactant, at least about 70 wt. % of a water soluble alkaline carbonate salt, e.g., sodium carbonate, about 0.1 to 2 wt. % of a phosphorus-containing sequestering agent, e.g., sodium tripolyphosphate (STPP), about 0.1 to 2 wt. % of a polymeric polycarboxylate, e.g., a polyacrylate or a polymaleate, and about 1-12 wt. % water. Use of the foregoing detergent composition provides excellent cleaning and whitening of fabrics while avoiding the problem of eutrophication which occurs when a substantial amount of a phosphorus containing builder such as STPP is present in the composition, and while minimizing the problem of fabric encrustation often present when the composition contains a large amount of carbonate builder.Type: GrantFiled: December 21, 1994Date of Patent: September 3, 1996Assignee: Church & Dwight Co., Inc.Inventors: Charles D. Carr, Steven A. Bolkan, Joseph G. Becker
-
Patent number: 5548049Abstract: Polymers consisting of (a) 1-50% weight of N-allyliminodiacetic acid and its salts; (b) 50-99% weight of one or several unsaturated, polymerisable carboxylic acids having the formula (I), in which R.sup.1 stands for hydrogen, C.sub.1-C.sub.4 alkyl or COOM, R.sup.2 stands for hydrogen or C.sub.1-C.sub.4 alkyl, R.sup.3 stands for hydrogen, C.sub.1-C.sub.4 alkyl or CH.sub.2 COOM and M stands for hydrogen, ammonium, an alkali metal or an alkaline earth metal; and (c) 0-40% by weight water soluble monomers copolymerisable with (a) and (b). These polymers preferably contain acrylic acid, methacrylic acid and maleic acid as unsaturated polymerisable carboxylic acids. Also disclosed are the use of these polymers as complexing agents, as peroxide stabilizers and builders in washing products, as dispersing agents and hardness stabilizers.Type: GrantFiled: December 29, 1994Date of Patent: August 20, 1996Assignee: Chemishe Fabrik Stockhausen GmbHInventors: Helmut Brehm, Kurt Dahmen, Richard Mertens
-
Patent number: 5540855Abstract: Particulate compositions are provided incorporating crystalline layered sodium silicates and ionisable material selected from organic acids, organic and inorganic acid salts and mixtures thereof. These particulates can also contain surfactants and other detergent ingredients. Additionally, a method for making these particulates is described as well as a detergent composition incorporating them.Type: GrantFiled: April 6, 1995Date of Patent: July 30, 1996Assignee: The Procter & Gamble CompanyInventors: Gerard M. Baillely, Michael A. J. Moss, Carole P. D. Wilkinson
-
Patent number: 5541316Abstract: A process for the production of polycarboxylic acids or salts thereof from polysaccharides by oxidation with nitrogen dioxide/dinitrogen tetroxide with at least partial conversion of the primary alcohol groups of the polysaccharides into carboxyl groups and optionally at least partial neutralization of the carboxylic acid groups formed is provided. The oxidation reaction is carried out in a closed reaction system in the presence of oxygen under pressures of 2 bar to 10 bar and at a temperature above room temperature. Nitrogen dioxide/dinitrogen tetroxide is used in such quantities that, in the event of a theoretically complete shift of the equilibrium onto the nitrogen dioxide side, the nitrogen dioxide is present in quantities of at most 2 mole equivalents, based on the content of monomer unit of the polysaccharide containing one primary alcohol group.Type: GrantFiled: July 28, 1994Date of Patent: July 30, 1996Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Konrad Engelskirchen, Herbert Fischer, Hans-Wilhelm Verholt
-
Patent number: 5538648Abstract: A process for improving the removal of undesired substances from a cellulosic textile material comprisingi) treating the textile material with an aqueous solution comprisinga) citric acid,b) an alkali metal or ammonium salt of a gluconic acid, andc) optionally a mineral acid (preferably in a minor amount).Type: GrantFiled: June 6, 1995Date of Patent: July 23, 1996Assignee: Sandoz Ltd.Inventors: Dominik B ucheler, Saverio Fornelli
-
Patent number: 5531915Abstract: Detergent compositions containing conventional detergent surfactants, detergent builders, and the like, and a chelant selected from ethylenediamine-N,N'-diglutaric acid (EDDG) and 2-hydroxypropylenediamine-N,N'-disuccinic acid (HPDDS) are disclosed. Such compositions provide enhanced removal of organic stains, such as food and beverage stains. The EDDG and HPDDS are biodegradable and contain no phorphorus.Type: GrantFiled: October 3, 1994Date of Patent: July 2, 1996Assignee: The Procter & Gamble CompanyInventor: Christopher M. Perkins