Polycarboxylic Acid Component, Or Salt Thereof (e.g., Nitrilotriacetic Acid, Polyacrylic Acid, Etc.) Patents (Class 510/533)
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Patent number: 10160937Abstract: Aqueous formulation with a content of (A) and (B) in the range of 40% to 60%, containing (A) a complexing agent selected from methylglycine diacetic acid (MGDA) that is at least partially neutralized with alkali metal, and at least one complexing agent other than MGDA selected from (B) glutamic acid diacetic acid (GLDA) that is at least partially neutralized with alkali metal, and, optionally, (C) a polymer being selected from polyamines, the N atoms being partially or fully substituted with CH2COOH groups, partially or fully neutralized with alkali metal cations, and, optionally, (D) at least one alkali metal salt of an organic acid, said acid being selected from mono- and dicarboxylic acids, wherein the weight ratio of complexing agent (A) to complexing agent (B) is in the range of from 10:1 to 1:10.Type: GrantFiled: November 20, 2015Date of Patent: December 25, 2018Assignee: BASF SEInventors: Marta Reinoso Garcia, Markus Christian Biel, Dieter Boeckh, Nathalie Sophie Letzelter, Rohan Govind Murkunde, Frank Huelskoetter, Kevin George Goodall
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Patent number: 9751829Abstract: The present invention relates to a process for preparing a crystalline solid from glycine-N,N-diacetic acid derivatives (e.g., MGDA) of sufficiently low hygroscopicity, which is characterized in that at least one crystalline compound of the formula I is introduced as seed, and a spray granulation is carried out with at least one compound of the formula I, preferably followed by a heat treatment.Type: GrantFiled: April 12, 2016Date of Patent: September 5, 2017Assignee: BASF SEInventor: Andreas Baranyai
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Patent number: 8877699Abstract: A dishwasher detergent composition comprising: a compound of formula 1; a liquid non-ionic surfactant; and at least one solid non-ionic surfactant.Type: GrantFiled: June 29, 2010Date of Patent: November 4, 2014Assignee: Reckitt & Colman (Overseas) LimitedInventors: Judith Preuschen, Andrea Stein
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Patent number: 8809249Abstract: A detergent composition for preventing scale on various surfaces includes a threshold system, a caustic and a surfactant system. The threshold system includes a sulfonate/acrylate copolymer, an acrylate homopolymer and a phosphonoalkane carboxylic acid with a sulfonate/acrylate copolymer to acrylate homopolymer weight ratio of between about 2:1 to about 1:2. The pH of the detergent composition is between about 10 and about 13.Type: GrantFiled: June 7, 2013Date of Patent: August 19, 2014Assignee: Ecolab USA Inc.Inventors: Carter M. Silvernail, Erik C. Olson, Elizabeth R. Kiesel
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Publication number: 20140073554Abstract: A process for preparing builder granules suitable for use in a granular or tabletted detergent compositions, particularly for machine dishwash, involves forming a slurry of solid and aqueous MGDA Na3 spray dryer, under non-agglomerating conditions, to form spray dried particles comprising solid crystalline MGDA Na 3 dihydrate, compacting the spray dried particles into compacted aggregates and comminuting the compacted aggregates into granular particles to form builder granules having a particle size distribution suitable for use in a granular detergent composition. Prior to spray drying, the slurry is maintained at a slurry temperature of 20° or more for sufficient time for the resulting builder granules to remain free flowing after 48 hours storage at 20° C. and 65% relative humidity.Type: ApplicationFiled: June 11, 2012Publication date: March 13, 2014Applicant: PQ SILICAS BVInventors: Joris Van Der Eerden, Roger Janssen, Remco Visseren
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Publication number: 20130209806Abstract: The present invention relates to a coated particle containing a particle and a coating, wherein the particle contains glutamic acid N,N-diacetic acid or a partial salt thereof of the formula HnYm-GLDA, wherein Y is a cation, selected from the group of sodium, potassium and mixtures thereof, n+m=4, and wherein the coating contains at least one salt that contains as a cation at least one of sodium, potassium or lithium and as anion at least one of silicate sulfate, carbonate, chloride, nitrate, percarbonate, glycolate, oxalate, citrate, stearate, lactate, succinate, malonate, maleate, diglycolate, and fumarate, to a process to prepare such a particle, and, to the use thereof.Type: ApplicationFiled: June 27, 2011Publication date: August 15, 2013Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Cornelis Elizabeth Johannus Van Lare, Martin Heus
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Patent number: 8481473Abstract: A detergent composition for preventing scale on various surfaces includes a threshold system, a caustic and a surfactant system. The threshold system includes a sulfonate/acrylate copolymer, an acrylate homopolymer and a phosphonoalkane carboxylic acid with a sulfonate/acrylate copolymer to acrylate homopolymer weight ratio of between about 2:1 to about 1:2. The pH of the detergent composition is between about 10 and about 13.Type: GrantFiled: December 2, 2010Date of Patent: July 9, 2013Assignee: Ecolab USA Inc.Inventors: Carter Silvernail, Erik C. Olson, Elizabeth Kiesel
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Patent number: 8476215Abstract: A detergent composition includes: 11 to 45 parts by weight of a natural surfactant; 25 to 35 parts by weight of mirabilite; 10 to 40 parts by weight of a water softener; 0.2 to 5 parts by weight of a chelating agent; and a balance of an additional detergent builder.Type: GrantFiled: September 14, 2012Date of Patent: July 2, 2013Assignee: Sheng-Chun Technology Co., Ltd.Inventor: Yi-Chen Chen
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Patent number: 8455422Abstract: A particle comprising an aminocarboxylic builder obtainable by a process comprising the steps of: a) providing a solution comprising the aminocarboxylic builder; b) optionally adding an acidifying agent; c) adding sulphate or citrate to the solution resulting from of step b) to form a mixture; and d) converting the mixture resulting from step c) into particles.Type: GrantFiled: April 18, 2011Date of Patent: June 4, 2013Assignee: The Procter & Gamble CompanyInventors: Nigel Patrick Somerville Roberts, Chris Hughes, Robert Ian Dyson
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Publication number: 20130053296Abstract: The present invention relates to a solid with sufficiently low hygroscopicity which comprises glutamic acid-N,N-diacetic acid (GLDA) or derivatives and/or salts thereof, and a method for its production.Type: ApplicationFiled: December 27, 2010Publication date: February 28, 2013Applicant: BASF SEInventor: Andreas Baranyai
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Publication number: 20130017989Abstract: A builder composition includes a chelating component A), a builder component B), a polymeric component C), and optionally an alkali component D) and/or a phosphorous-containing component E). The chelating component A) includes a1) methylglycine-N-N-diacetic acid (MGDA) and/or an alkali salt thereof, and/or a2) N,N-bis(carboxymethyl)-L-glutamate (GLDA) and/or an alkali salt thereof, and/or a3) ethylenediaminetetraacetic acid (EDTA) and/or an alkali salt thereof. The builder component B) includes b1) a metal silicate, and/or b2) a metal carbonate, and/or b3) a metal citrate. The polymeric component C) includes c1) an acrylic-maleic copolymer, and/or c2) polyacrylic acid (PAA).Type: ApplicationFiled: February 9, 2011Publication date: January 17, 2013Inventors: James S. Dailey, Thomas Bernard Gessner, Kenneth Zack
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Publication number: 20130000370Abstract: The invention relates to aminocarboxylates in solid form which have a relatively high storage stability and improved processability, and to the use thereof in household products, in particular detergents, cleaners and care compositions, and in industrial processes.Type: ApplicationFiled: June 26, 2012Publication date: January 3, 2013Applicant: BASF SEInventor: Frank-Peter LANG
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Publication number: 20120295986Abstract: This invention relates to compositions which are capable of sequestering calcium ions and are derived in part from renewable carbohydrate feedstocks. The calcium sequestering compositions are mixtures containing one or more hydroxycarboxylic acid salts and one or more aluminum salts.Type: ApplicationFiled: April 20, 2012Publication date: November 22, 2012Inventors: Tyler N. Smith, Richard Shirley
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Publication number: 20120190608Abstract: A particulate material comprising a crystalline polycarboxylate wherein the particles of the material have a coating. A solid detergent composition comprising a crystalline polycarboxylate containing particulate material of the invention is also provided. The particulate material of the invention exhibits good building/chelancy properties and is especially suitable for use in detergent tablets.Type: ApplicationFiled: May 18, 2010Publication date: July 26, 2012Applicant: RECKITT BENCKISER N.V.Inventors: Kai Heppert, Judith Preuschen, Ralf Wiedemann
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Patent number: 8163686Abstract: A dishwasher detergent delivery cartridge comprises a plurality of unit dose elements of a dishwasher detergent composition, the composition being a substantially coherent mass and comprising at least 20 wt % of methyl glycine diacetic acid and/or a salt thereof and/or of glutamic diacetic acid and/or a salt thereof. Such compositions have been found to have excellent stability and/or performance in multi-dose applications.Type: GrantFiled: October 30, 2006Date of Patent: April 24, 2012Assignee: Reckitt Benckiser N.V.Inventors: Karl-Ludwig Gibis, Chris Efstathios Housmekerides
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Patent number: 8123867Abstract: The present invention relates to a phosphate-free machine dishwasher detergent comprising 0.01-20% by weight of at least one alcohol alkoxylate, 0.01-10% by weight of at least one alcohol ethoxylate, 0-15% by weight of at least one sulfonate-containing polymer, 0-15% by weight of at least one hydrophilically modified polycarboxylate, 0-8% by weight of at least one polycarboxylate, 1-50% by weight of at least one complexing agent and 0.1-60% by weight of at least one further additive, where the sum of components (A), (B), (C), (D), (E), (F) and (G) is 100% by weight, to a process for rinsing surfaces of articles by treating these surfaces with the composition, and to the use of the composition for increasing the rinsing performance in the machine washing of articles.Type: GrantFiled: April 24, 2008Date of Patent: February 28, 2012Assignee: BASF SEInventor: Juergen Tropsch
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Publication number: 20110263472Abstract: A particle comprising an aminocarboxylic builder obtainable by a process comprising the steps of: a) providing a solution comprising the aminocarboxylic builder; b) optionally adding an acidifying agent; c) adding sulphate or citrate to the solution resulting from of step b) to form a mixture; and d) converting the mixture resulting from step c) into particles.Type: ApplicationFiled: April 18, 2011Publication date: October 27, 2011Inventors: Nigel Patrick Somerville Roberts, Chris Hughes, Robert Ian Dyson
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Publication number: 20110263473Abstract: A particle comprising an aminocarboxylic builder and sulphate or citrate wherein the aminocarboxylic builder and the sulphate or citrate are present in a weight ratio of from about 6:1 to about 1:1.Type: ApplicationFiled: April 18, 2011Publication date: October 27, 2011Inventors: Nigel Patrick Somerville Roberts, Chris Hughes, Robert Ian Dyson
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Patent number: 7790665Abstract: Disclosed are highly concentrated aqueous soil release polyester formulations containing 50 to 90 percent by weight of soil release polyester and 0.1 to 40 percent by weight of a polycarboxylic acid or a polycarboxylate. Adding these highly concentrated polycarboxylic acids or polycarboxylates makes it possible to produce highly concentrated soil release polyester formulations which are stable while being provided with low viscosity.Type: GrantFiled: June 14, 2005Date of Patent: September 7, 2010Assignee: Clariant Produkte (Deutschland) GmbHInventors: Frank-Peter Lang, Michael Weβling
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Patent number: 7645731Abstract: A detergent composition is provided for preventing calcium, magnesium and iron precipitation and for removing soils. The detergent composition includes a caustic, a surfactant and an aminocarboxylate functionalized catechol. The detergent composition may include less than about 10% by weight phosphorous-containing compounds, NTA, and EDTA.Type: GrantFiled: January 8, 2009Date of Patent: January 12, 2010Assignee: Ecolab Inc.Inventors: Carter Silvernail, Erik Olson
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Patent number: 7628868Abstract: A cleaning composition with a limited number of natural ingredients contains alkyl polyglucoside, a 2-hydroxylcarboxylic acid, and a fragrance containing lemon oil or d-limonene. The cleaning composition optionally has a small amount of dye, colorant, and preservative. The cleaning composition can be used to clean hard surfaces and cleans as well or better than commercial compositions containing synthetically derived cleaning agents.Type: GrantFiled: November 11, 2008Date of Patent: December 8, 2009Assignee: The Clorox CompanyInventors: Gregory van Buskirk, Aram Garabedian, Ryan K. Hood, Stephen Bradford Kong
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Patent number: 7608569Abstract: A process for inhibiting hair fibers from becoming frizzy, involving contacting the hair fibers with a composition containing: (a) at least one polyamine compound having at least two amino groups; (b) at least one anionic silicone; (c) optionally, at least one surfactant; and (d) optionally, at least one film-forming polymer, and wherein (a) is present in the composition in an amount sufficient to inhibit dyed hair fibers from losing their color, as well as inhibit hair fibers, in general, from appearing frizzy.Type: GrantFiled: November 16, 2005Date of Patent: October 27, 2009Assignee: L'OréalInventors: Nghi Van Nguyen, David W. Cannell, Cynthia Chong Espino, Sawa Hashimoto, Katherine Natalie Barger
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Publication number: 20090048144Abstract: A water softening product having an enclosing wall and containing a composition comprising a water-softening agent able to bind calcium ions, the wall being permeable to water and to components dissolved therein, said product being surfactant-free.Type: ApplicationFiled: October 10, 2005Publication date: February 19, 2009Applicant: RECKITT BENCKISER N.V.Inventors: Fabio Corradini, Emanuele Rossetto
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Patent number: 7470653Abstract: A light duty liquid cleaning composition comprising at least one ammonium or metal salt of a C8-C16 linear alkyl benzene sulfonate surfactant, at least one ammonium or metal salt of an ethoxylated C8-C18 alkyl ether sulfate surfactant having 1 to 30 moles of ethylene oxide, and at least one betaine surfactant; wherein (a) a total amount of surfactant in the composition is at least 30 weight %, (b) the composition has a pH less than 7 and a viscosity of less than 75 cPs measured at 25° C., (c) if a magnesium salt of a C8-C16 linear alkyl benzene sulfonate surfactant is present in the composition, it is present in an amount of 0.1 to less than 3 or greater than 16% by weight of the composition, and (d) the composition does not contain an inorganic magnesium salt.Type: GrantFiled: April 7, 2006Date of Patent: December 30, 2008Assignee: Colgate-Palmolive CompanyInventors: Joan Ethel Gambogi, Cynthia McCullar Murphy, David Frank Suriano
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Patent number: 7470331Abstract: A cleaning composition with a limited number of natural ingredients contains alkyl polyglucoside, a 2-hydroxylcarboxylic acid, and a fragrance containing lemon oil or d-limonene. The cleaning composition optionally has a small amount of dye, colorant, and preservative. The cleaning composition can be used to clean hard surfaces and cleans as well or better than commercial compositions containing synthetically derived cleaning agents.Type: GrantFiled: June 19, 2008Date of Patent: December 30, 2008Assignee: The Clorox CompanyInventors: Gregory van Buskirk, Aram Garabedian, Ryan K. Hood, Stephen Bradford Kong
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Patent number: 7456143Abstract: A particulate washing or cleaning composition containing (A) a phosphate-free water-soluble builder component and (B) alkali metal percarbonate particles having a coating containing alkali metal silicate.Type: GrantFiled: June 20, 2005Date of Patent: November 25, 2008Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)Inventors: Horst-Dieter Speckmann, Joerg Poethkow, Heike Schirmer-Ditze, Gerhard Blasey, Birgit Middlehauve
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Publication number: 20080287340Abstract: A water softening product having an enclosing wall and containing a composition in the form of a powder, said composition comprising a water-softening agent able to bind calcium ions, the wall being permeable to water and to components dissolved therein, wherein, after the product has been contacted with water in a ware washing machine, less than 20 wt % of the composition remains.Type: ApplicationFiled: October 10, 2005Publication date: November 20, 2008Applicant: Reckitt Benckiser N.V.Inventors: Fabio Corradini, Emanuele Rossetto
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Publication number: 20080287339Abstract: A detergent additive extrudate containing from about 0.5% to about 20% an alkyl benzene sulphonate, from about 0.5% to about 15% a water soluble carboxylate-containing polymer, from about 20% to about 80% water soluble inorganic salt and a moisture level of 2% to 10%; process for making the detergent additive extrudate and granular laundry detergent containing the same. The detergent additive extrudates have an improved physical stability, dissolution property and ease of process property.Type: ApplicationFiled: May 15, 2008Publication date: November 20, 2008Inventor: Paul Anthony Gould
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Patent number: 7449436Abstract: A light duty liquid cleaning composition comprising at least one ammonium or metal salt of a C8-C16 linear alkyl benzene sulfonate surfactant, at least one ammonium or metal salt of an ethoxylated C8-C18 alkyl ether sulfate surfactant having 1 to 30 moles of ethylene oxide, and at least one betaine surfactant; wherein (a) a total amount of surfactant in the composition is at least 30 weight %, (b) the composition has a pH less than 7 and a viscosity of less than 75 cPs measured at 25° C. (c) if a magnesium salt of a C8-C16 linear alkyl benzene sulfonate surfactant is present in the composition, it is present in an amount of 0.Type: GrantFiled: October 8, 2007Date of Patent: November 11, 2008Assignee: Colgate-Palmolive CompanyInventors: Joan Ethel Gambogi, Cynthia McCullar Murphy, David Frank Suriano
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Patent number: 7414016Abstract: A cleaning composition with a limited number of natural ingredients contains alkyl polyglucoside, a 2-hydroxycarboxylic acid, and a fragrance containing lemon oil or d-limonene. The cleaning composition optionally has a small amount of dye, colorant, and preservative. The cleaning composition can be used to clean hard surfaces and cleans as well or better than commercial compositions containing synthetically derived cleaning agents.Type: GrantFiled: November 1, 2007Date of Patent: August 19, 2008Assignee: The Clorox CompanyInventors: Gregory van Buskirk, Aram Garabedian, Ryan K. Hood, Stephen Bradford Kong
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Patent number: 7393821Abstract: It is an object of the present invention to provide a detergent builder comprising a copolymer excellent in compatibility with a liquid detergent and capable of exhibiting excellent basic abilities such as prevention of recontamination and detergency ratio, and a detergent composition containing the detergent builder. The above-mentioned detergent builder comprises a copolymer obtained by copolymerization of monomer components containing a polyalkyleneimine unsaturated monomer and other monomers.Type: GrantFiled: October 13, 2004Date of Patent: July 1, 2008Assignee: Nippon Shokubai Co., Ltd.Inventors: Atsuro Yoneda, Yoshikazu Fujii, Shigeru Yamaguchi
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Patent number: 7390776Abstract: A liquid detergent builder which is highly compatible with a surfactant and gives transparent liquid detergents having extremely excellent detergency, a liquid detergent containing the builder, and a liquid detergent containing an acrylic acid-based polymer (salt) having excellent clay dispersibility and good compatibility with a surfactant. The liquid detergent builder comprises an acrylic acid/maleic acid-based copolymer (salt), wherein the acrylic acid/maleic acid-based copolymer (salt) contains maleic acid (salt) in an amount of 5-90 mol % per mole of the sum of acrylic acid (salt) and maleic acid (salt), and a product (MA×Mw) of a weight average molecular weight (Mw) of the copolymer (salt) and a proportion (MA (mol %)) of the maleic acid (salt) in the copolymer (salt) is 450,000 or less.Type: GrantFiled: September 11, 2003Date of Patent: June 24, 2008Assignee: Nippon Shokubai Co., Ltd.Inventors: Takahiro Tsumori, Atsuro Yoneda, Akiko Hemmi, Shigeru Yamaguchi
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Patent number: 7354888Abstract: Provided is an antibacterial aqueous solution comprising a phosphate, a citrate, and a silicate; a method of controlling bacterial contamination and/or growth in food substance; a method of prohibiting the formation of, and/or facilitating the removing of, silicate aggregation on metal article; and a method of reducing phosphate usage in industrial antibacterial process.Type: GrantFiled: November 10, 2004Date of Patent: April 8, 2008Assignee: Danisco A/SInventor: Charles R. Mostoller
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Patent number: 7354892Abstract: A unique laundry detergent composition is described that comprises linear alkyl benzene sulfonate, alkyl ether sulfate, alcohol ethoxylate, fatty acid, an alkali metal silicate, polyacrylate, and optionally carbonate, that is low sudsing and that shows improved whiteness retention over other fatty acid soap containing detergents in the absence of silicates.Type: GrantFiled: September 7, 2006Date of Patent: April 8, 2008Assignee: The Dial CorporationInventors: Thorsten Bastigkeit, Jessica Lawshe, Daniel Wood, Aurora Stamper, Joan Bergstrom
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Patent number: 7273838Abstract: A laundry detergent formulation includes a dirt suspending agent which is a blend of an anionic material, such as an anionic polymer, and a quaternary ammonium salt. This suspending agent prevents redeposition of dirt which is removed from clothing by a laundry detergent from redepositing onto cleaned clothes during the wash cycle, while allowing it to be removed completely during the rinse cycle.Type: GrantFiled: October 12, 2004Date of Patent: September 25, 2007Assignee: ISP Investments IncInventors: Purvita Shah, Michael J. Jurek
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Patent number: 7256169Abstract: The invention relates to a pulverulent laundry and cleaning detergents ingredient, to a process for its preparation and to its use.Type: GrantFiled: January 30, 2001Date of Patent: August 14, 2007Assignee: Clariant Produkte (Deutschland) GmbHInventors: Günther Schimmel, Harald Bauer, Josef Holz, Volker Thewes, Richard Mertens, Peter Hardt, Matthias Berghahn, Thomas Müller
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Patent number: 7192911Abstract: A machine dishwasher product comprising: a) 1 to 60% by weight of nonaqueous solvent(s), b) 0.1 to 70% by weight of copolymers of i) unsaturated carboxylic acids ii) monomers containing sulfonic acid groups iii) optionally further ionic or nonionogenic monomers c) 5 to 30% by weight of nonionic surfactant(s). Also, the machine dishwasher product, packaged in portions in a water-soluble enclosure.Type: GrantFiled: January 7, 2004Date of Patent: March 20, 2007Assignee: Henkel KGaAInventors: Matthias Sunder, Rolf Bayersdoerfer, Christian Nitsch, Bernd Richter, Arnd Kessler, Michael Dreja, Sven Mueller
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Patent number: 7132390Abstract: The invention provides an adsorbate which comprises a soluble zinc compound of a polycarboxylic acid adsorbed on crystalline alkali metal phyllosilicate, and the use thereof.Type: GrantFiled: July 21, 2004Date of Patent: November 7, 2006Assignee: Clariant GmbHInventors: Harald Bauer, Günther Schimmel
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Patent number: 7119054Abstract: An enzyme-containing laundry booster composition in which the enzyme is stabilized by a system comprising a boron compound, an alkali metal salt of an aliphatic hydroxydi- or hydroxylic-carboxylic acid and an alkali metal chloride. A preferred additional stabilizing ingredient is a C8–C18 alcohol alkoxylated with about 3 to 6 moles of ethylene oxide.Type: GrantFiled: September 18, 2001Date of Patent: October 10, 2006Assignee: Reckitt Benckiser IncInventors: Chris Efstathios Housmekerides, Daniele Fregonese
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Patent number: 7101833Abstract: Methods for treating glassware surfaces, for example dishes and glasses, using corrosion protection agents, especially corrosion protection agents comprising zinc-containing materials. Methods using corrosion protection agents that form a part of a treatment system and/or are incorporated in a composition of matter are also provided.Type: GrantFiled: October 12, 2004Date of Patent: September 5, 2006Assignee: The Procter & Gamble CompanyInventors: Patricia Sara Berger, Brian Xiaoqing Song, James Robert Schwartz, Robert William Corkery
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Patent number: 7094740Abstract: Corrosion protection agents for treating glassware surfaces, for example dishes and glasses, especially corrosion protection agents comprising zinc-containing materials are provided. Treatment systems and composition of matter, which incorporate these corrosion protection agents, are also provided.Type: GrantFiled: October 12, 2004Date of Patent: August 22, 2006Assignee: The Procter & Gamble CompanyInventors: Patricia Sara Berger, Brian Xiaoqing Song, James Robert Schwartz, Robert William Corkery
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Patent number: 7074750Abstract: A process for the soil release treatment of surfaces of textile and nontextile materials, in which cationically modified hydrophilic nanoparticles based on crosslinked polymers of (a) 60 to 99.99% by weight of one or more carboxyl-containing ethylenically unsaturated monomers or salts thereof, (b) 0 to 40% by weight of one or more water-insoluble monoethylenically unsaturated monomers, (c) 0.Type: GrantFiled: June 14, 2002Date of Patent: July 11, 2006Assignee: BASF AktiengesellschaftInventors: Christoph Hamers, Dieter Boeckh, Kati Schmidt
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Patent number: 7041628Abstract: Liquid aqueous machine dishwasher products comprising a) 20 to 50% by weight of one or more water-soluble builder(s), b) 0.1 to 70% by weight of copolymers of i) unsaturated carboxylic acids ii) monomers containing sulfonic acid groups iii) optionally further ionic or nonionogenic monomers c) 5 to 30% by weight of nonionic surfactant(s). Also, the composition packaged in portions in a water-soluble enclosure.Type: GrantFiled: January 7, 2004Date of Patent: May 9, 2006Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Matthias Sunder, Rolf Bayersdoerfer, Christian Nitsch, Bernd Richter, Arnd Kessler, Michael Dreja, Sven Mueller
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Patent number: 7008916Abstract: This invention relates to a fabric care composition comprising a polycarboxylic acid or a derivative thereof, a catalyst and a thermoplastic elastomer, a method of treating fabric with such a composition and the use of such a composition to increase the tensile strength (especially the tear strength) of a fabric, to reduce creasing and/or wrinkling of a fabric and/or to improve the elasticity and/or shape retention of a fabric.Type: GrantFiled: March 28, 2003Date of Patent: March 7, 2006Assignee: Unilever Home & Personal Care USAInventors: Robert John Carswell, James Bernard Cooper
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Patent number: 6962898Abstract: Detergents for dishwashing contain 1% up to 98.8% by weight of builders, 0.1% to 70% by weight of copolymers of unsaturated carboxylic acids and monomers containing sulfonic acid groups, and one or both of 5% to 30% by weight of nonionic surfactants and 0.1% to 30% by weight of homo- or copolymeric polycarboxylic acids or salts thereof.Type: GrantFiled: June 28, 2001Date of Patent: November 8, 2005Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Arnd Kessler, Rolf Bayersdoerfer, Rainer Sorg, Christian Nitsch, Melanie Baumann
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Patent number: 6900171Abstract: A hydrophilic polymer with improved biodegradability and particular usefulness in detergent compositions contains units derived by polymerization from at least one monomers A bearing a carboxylic acid function or an equivalent function, units derived by polymerization from at least one monomers B bearing an electron-rich group or a function capable of introducing an electron-rich group into the main chain, and, optionally, units derived by polymerization from at least one monomers C which is copolymerizable with A and B, but is different from A and B. Examples of suitable monomers as monomers A include maleic anhydride, acrylic acid, methacrylic acid, itaconic acid, fumaric acid and maleic acid, and the salts thereof. Examples of suitable monomers as monomers B include butadiene, isoprene, chloroprene, dimethylbutadiene, cyclohexadiene, butadienecarboxylic acid, butadienedicarboxylic acid, acetylene, acetylenecarboxylic acid and acetylenedicarboxylic acid.Type: GrantFiled: June 1, 1999Date of Patent: May 31, 2005Assignee: ArkemaInventors: Christian Gancet, Rosangela Pirri, Bernard Boutevin, Cédric Loubat, Jean Lepetit
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Patent number: 6867173Abstract: An automatic dishwashing composition is presented having 0.01 to 90 percent by weight of a detergency builder and 0.1 to 20 percent by weight of at least one polymer, wherein said polymer or polymers comprises carboxylate groups and sulfonate groups. The composition is useful in liquid, tablet and granular compositions. The composition reduces filming and spotting of glass and plastics.Type: GrantFiled: March 27, 2001Date of Patent: March 15, 2005Assignee: National Starch and Chemical Investment Holding CorporationInventor: Klein A. Rodrigues
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Patent number: 6835708Abstract: The present invention provides a graft polymer composition and its production process and uses, wherein the graft polymer composition is good both in the builder performance and in the compatibility with liquid detergents. The graft polymer composition comprises at least two graft polymers obtained by a process including the step of graft-polymerizing a monoethylenically unsaturated monomer component onto a main chain including a polyether portion, wherein the monoethylenically unsaturated monomer component includes an unsaturated carboxylic monomer as an essential component. And this graft polymer composition is characterized in that there is a difference of not less than 3 in number of carbon atoms in each structural unit which composes ends of the main chain on comparison between two of the at least two graft polymers.Type: GrantFiled: February 27, 2002Date of Patent: December 28, 2004Assignee: Nippon Shokubai Co., Ltd.Inventors: Takuya Saeki, Junichi Nakamura, Shigeru Yamaguchi
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Patent number: 6833129Abstract: Body-cleansing compositions are claimed which comprise oligoesters obtained by condensation of one or more dicarboxylic acids or esters thereof and one or more polyhydric alcohols.Type: GrantFiled: November 6, 2002Date of Patent: December 21, 2004Assignee: Clariant GmbHInventors: Matthias Löffler, Vera Mulitze-Kleinheyer
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Patent number: 6818700Abstract: Novel biodegradable polymers consisting of a biodegradable core bound to at least two carboxylic polyacid-based branches via a bond capable of being broken by hydrolysis or by oxidation are described. Biodegradable detergent compositions containing such polymers are also described.Type: GrantFiled: June 25, 2002Date of Patent: November 16, 2004Assignee: AtofinaInventors: Christian Gancet, Rosangela Pirri, Bernard Boutevin, Bernard Guyot, Jean Lepetit