Halogen-free Inorganic Phosphorus Containing Component Patents (Class 510/231)
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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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Patent number: 8663496Abstract: The invention relates to a double-layered compacted solid water-purification product, comprising at least one first layer and at least one second layer, characterized in that the first layer comprises at least one flocculating system and at least one dispersion system, the second layer comprises at least one disinfectant which liberates free chlorine on contact with water and at least one excipient for the disinfectant, whereby said excipient releases the disinfectant into the water at a controlled rate such that the combination of excipient and disinfectant releases 0.1 to 100 mg/l of free chlorine per hour. The invention further relates to the method for production of such a product.Type: GrantFiled: July 18, 2005Date of Patent: March 4, 2014Assignee: EurotabInventors: Paul Branlard, Philippe Desmarescaux, Murielle Moneron
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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: 8361342Abstract: The present invention relates to a compacted solid product for water purification comprising:—at least a first layer comprising at least a coagulant/flocculant system comprising at least one polyvalent inorganic salt, at least one water-soluble cationic polymer and at least one high-molecular-weight anionic polymer,—at least a second layer comprising at least one disinfectant that releases active chlorine on contact with water, characterized in that said coagulant/flocculant system moreover comprises a sodium alginate. The invention also relates to the method for preparing such a product.Type: GrantFiled: October 4, 2007Date of Patent: January 29, 2013Assignee: EurotabInventors: Paul Branlard, Gilles Rubinstenn
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Patent number: 8324145Abstract: The invention relates to a detergent which contains a surfactant and optionally further conventional additives of detergents and cleaning agents, the detergent comprising an anti-grey polycarbonate-, polyurethane- and/or polyurea-polyorganosiloxane compound or a precursor compound thereof containing specific reactive groups, which can be used for the production thereof.Type: GrantFiled: September 20, 2011Date of Patent: December 4, 2012Assignee: Henkel AG & Co. KGAAInventors: Nadine Warkotsch, Birgit Middelhauve, Marc-Steffen Schiedel, Thomas Eiting
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Patent number: 8318649Abstract: The invention relates to machine dishwashing agents containing specific polycarbonate-, polyurethane-, and/or polyurea-polyorganosiloxane compounds or precursor compounds thereof of the reactive cyclic carbonate and urea type which help to avoid the formation of water spots and filming after the use of the agents and accelerate the drying of dishes.Type: GrantFiled: September 20, 2011Date of Patent: November 27, 2012Assignee: Henkel, AG & Co. KGAAInventors: Nadine Warkotsch, Marc-Steffen Schiedel, Johannes Zipfel, Arnd Kessler
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Patent number: 8044011Abstract: The invention relates to machine dishwashing agents containing specific polycarbonate-, polyurethane-, and/or polyurea-polyorganosiloxane compounds or precursor compounds thereof of the reactive cyclic carbonate and urea type which help to avoid the formation of water spots and filming after the use of the agents and accelerate the drying of dishes.Type: GrantFiled: September 25, 2009Date of Patent: October 25, 2011Assignee: Henkel AG & Co. KGaAInventors: Nadine Warkotsch, Marc-Steffen Schiedel, Johannes Zipfel, Arnd Kessler
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Publication number: 20110086790Abstract: A composition is provided suitable for use in a cleaning or washing process. The composition includes an activation agent for activating at least one aqueous sensitive component in use. The composition further includes a water soluble builder component and the activation agent is adsorbed onto a surface of the water soluble builder component.Type: ApplicationFiled: October 12, 2010Publication date: April 14, 2011Applicant: CHEMLINK SPECIALITIES LIMITEDInventors: ROBERT BARRIE AINSCOW, ROBERT VERNON AINSCOW, NORMAN CHARLES LOWE
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Publication number: 20100273699Abstract: The invention consists of the use, as scale-prevention and sticking-prevention agents, of homopolymers derived from a maleic acid polymerization, in the presence of a catalytic system using oxygenated water and sodium hypophosphite, in which the molar ratio of sodium hypophosphite/maleic acid is between 0.2 and 1, and preferentially between 0.35 and 0.6.Type: ApplicationFiled: April 27, 2010Publication date: October 28, 2010Applicant: COATEX S.A.S.Inventors: Yves KENSICHER, Jean-Marc Suau
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Publication number: 20090275492Abstract: A method of reducing rust in an automatic dishwasher comprises providing a rust-combating composition in the cleaning cycle of the dishwasher. The rust-combating composition be an organic acid. Preferred organic acids are oxalic acid and ascorbic acid. A passivating agent may be present, for example a phosphoric acid, a phosphate or a silicate.Type: ApplicationFiled: April 18, 2007Publication date: November 5, 2009Applicant: Reckitt Benckiser N.V.Inventors: Karlheinz Ulrich Hahn, Karl Ludwig Gibis, Karin Werner
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Patent number: 7524803Abstract: A warewashing detergent composition is provided according to the invention. The warewashing detergent composition includes a cleaning agent, an alkaline source, and a corrosion inhibitor. The cleaning agent comprises a detersive amount of a surfactant. The alkaline source is provided in an amount effective to provide a use solution having a pH of at least about 8. The corrosion inhibitor includes a source of aluminum ion and a source of zinc ion. Methods for using and manufacturing a warewashing detergent composition are provided.Type: GrantFiled: January 30, 2007Date of Patent: April 28, 2009Assignee: Ecolab Inc.Inventors: Steven E. Lentsch, Michael J. Bartelme, Victor F. Man, Burton M. Baum, Terence P. Everson
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Patent number: 7410938Abstract: A solid calcium hypochlorite composition comprising a mixture of: solid calcium hypochlorite; a scale-inhibiting effective amount of a primarily scale-inhibiting alkali metal phosphate; and an effective residue-dispersing amount of primarily residue-dispersing alkali metal phosphate.Type: GrantFiled: February 22, 2005Date of Patent: August 12, 2008Assignee: Arch Chemicals, Inc.Inventor: James P. Brennan
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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: 7153816Abstract: A dishwasher detergent containing a builder and one or more magnesium and/or zinc salt(s) of at least one monomeric and/or polymeric organic acid, excluding zinc ricinoleate, zinc abietate, and zinc oxalate. A method of inhibiting glass corrosion by treatment with one or more salts of magnesium and/or zinc with organic acids, excluding formic acid, acetic acid, gluconic acid, and oxalic acid.Type: GrantFiled: February 17, 2004Date of Patent: December 26, 2006Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)Inventors: Arnd Kessler, Rainer Sorg, Melanie Baumann, Wolfgang Wick
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Patent number: 7094746Abstract: The dimensionally stable alkaline solid block warewashing detergent uses an E-form binder forming a solid comprising a sodium carbonate source of alkalinity, a sequestrant, a surfactant package and other optional material. The solid block is dimensionally stable and highly effective in removing soil from the surfaces of dishware in the institutional and industrial environment. The E-form hydrate comprises an organic phosphonate and a hydrated carbonate.Type: GrantFiled: December 10, 2004Date of Patent: August 22, 2006Assignee: Ecolab Inc.Inventors: Steven J. Lentsch, Keith E. Olson, G. Jason Wei
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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: 7012052Abstract: Automatic dishwashing detergent compositions comprising a builder; a surfactant selected from: the formula R1(EO)a(PO)b(BO)c, wherein R1 is a linear or branched C6 to C30 alkyl, a is from 2 to 30; b is from 0 to 30; c is from 1 to 30; and the surfactant has an X/Y number less than 1.90; the formula R1O[CH2CH(R3)O]4R2, wherein R1 is a hydrocarbon radical having from 1 to 30 carbon atoms; R2 is a hydrocarbon radical having 1 to 30 carbon atoms: R3 is H, or a linear aliphatic hydrocarbon-radical having from 1 to 4 carbon atoms; e is an integer having an average value from 1 to 40, a bleaching agent and d) adjunct materials.Type: GrantFiled: February 10, 2000Date of Patent: March 14, 2006Assignee: The Procter & Gamble CompanyInventors: Bernard William Kluesener, William Michael Scheper, Mark Robert Sivik, Glenn Thomas Jordan, IV, Donna Jean Haeggberg
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Patent number: 6919305Abstract: Solid laundry detergents, dishwashing detergents and cleaners which are obtained by mixing gemini surfactants of the formula (I), R1CH(OH)CHR3(OCH2CH2)nOCHR4CH(OH)R2??(I) in which R1 and R2,independently of one another, are linear or branched alkyl and/or alkenyl radicals having 4 to 22 carbon atoms, R3 and R4, independent of one another, each represents a hydrogen or an alk(en)yl radical having from 1 to 22 carbon atoms and n is a number from 5 to 400, with inorganic or organic carriers.Type: GrantFiled: January 28, 2004Date of Patent: July 19, 2005Assignee: Cognis Deutschland GmbH & Co. KGInventors: Ditmar Kischkel, Manfred Weuthen, Michael Elsner
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Patent number: 6835703Abstract: The invention provides liquid automatic dishwashing detergents (LADDs) that contain a detergent enzyme and have a pH value less than 7.0. Such LADDs can lack phosphate builders, chlorine bleaches, and alkali, each of which is undesirable from the perspective of human and environmental safety. In addition, the invention provides methods for cleaning tableware.Type: GrantFiled: December 29, 2000Date of Patent: December 28, 2004Assignee: Melaleuca, Inc.Inventors: Suk H. Cho, Kathy Dillon, James L. Kurtz
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Patent number: 6831054Abstract: The dimensionally stable alkaline solid block warewashing detergent uses an E-form binder forming a solid comprising a sodium carbonate source of alkalinity, a sequestrant, a surfactant package and other optional material. The solid block is dimensionally stable and highly effective in removing soil from the surfaces of dishware in the institutional and industrial environment. The E-form hydrate comprises an organic phosphonate and a hydrated carbonate.Type: GrantFiled: May 8, 2003Date of Patent: December 14, 2004Assignee: Ecolab Inc.Inventors: Steven E. Lentsch, Keith E. Olson, G. Jason Wei
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Patent number: 6664219Abstract: An alkaline detergent composition is provided including a source of alkalinity and an effective soil removing amount of a nonionic surfactant blend. The nonionic surfactant blend includes a nonionic surfactant having a hydrophobic and an (EO) group and a nonionic silicone surfactant. The detergent composition provides for the removal of waxy-fatty soil.Type: GrantFiled: November 17, 2000Date of Patent: December 16, 2003Assignee: Ecolab Inc.Inventors: Steven E. Lentsch, Victor F. Man, Deborah A. Ihns, Helmut K. Maier, Rhonda K. Schulz
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Patent number: 6602837Abstract: Alkaline liquid detergent compositions comprising a diacyl peroxide, solvent and chelant are disclosed. The solvent is preferably selected based upon the solubility parameter of the diacyl peroxide present. Preferred compositions are for use in automatic dishwashing detergents, are substantially phosphate free and contain detersive enzymes. The compositions are effective in removing stains, especially carotenoid, under various temperature and pH conditions from plastics.Type: GrantFiled: October 9, 1996Date of Patent: August 5, 2003Assignee: The Procter & Gamble CompanyInventor: Rashesh Naresh Patel
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Patent number: 6583094Abstract: The dimensionally stable alkaline solid block warewashing detergent uses an E-form binder forming a solid comprising a sodium carbonate source of alkalinity, a sequestrant, a surfactant package and other optional material. The solid block is dimensionally stable and highly effective in removing soil from the surfaces of dishware in the institutional and industrial environment. The E-form hydrate comprises an organic phosphonate and a hydrated carbonate.Type: GrantFiled: November 8, 2000Date of Patent: June 24, 2003Assignee: Ecolab Inc.Inventors: Steven E. Lentsch, Keith E. Olson, G. Jason Wei, Victor F. Man
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Patent number: 6489278Abstract: The invention relates to a A highly alkaline or mildly alkaline detergent composition having enhanced cleaning properties. The detergent which combines a source of alkalinity and with a blend of nonionic surfactants that enhances cleaning waxy-fatty soils. This blend of surfactants shows surprising cooperation in reducing surface tension and comprises a nonionic or amphoteric surfactant and a silicone containing surfactant.Type: GrantFiled: January 13, 1997Date of Patent: December 3, 2002Assignee: Ecolab Inc.Inventors: Steven E. Lentsch, Victor F. Man, Deborah A. Ihns, Helmut K. Maier, Rhonda K. Schulz
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Patent number: 6420328Abstract: A pink colored automatic dishwasher detergent composition is formulated as a gel-like aqueous product of exceptionally good physical stability, low bottle residue, low cup leakage, red color stability and improved cleaning performance.Type: GrantFiled: January 26, 2001Date of Patent: July 16, 2002Assignee: Colgate-Palmolive Co.Inventor: Philip Gorlin
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Patent number: 6350726Abstract: The present invention relates to a speckled powdered automatic dishwashing composition.Type: GrantFiled: August 27, 2001Date of Patent: February 26, 2002Assignee: Colgate Palmolive CompanyInventors: Philip Gorlin, Steve Phillips, James Cush
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Patent number: 6274538Abstract: Detergent tablets are dispersed by means of gas entrapped within the detergent ingredients. Tablets for use in dishwashers provide an in-use alkaline wash liquor by dissolving quickly.Type: GrantFiled: January 26, 2000Date of Patent: August 14, 2001Assignee: The Procter & Gamble CompanyInventor: Michael Crombie Addison
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Patent number: 6204231Abstract: An aqueous alkaline composition for cleaning equipment used in the food industry wherein the composition contains potassium hydroxide or a mixture of potassium hydroxide and sodium hydroxide and wherein the potassium hydroxide is present in an amount of at least 20% by weight, based on the weight of hydroxide present in the composition. A process for regenerating the cleaning solution is also disclosed.Type: GrantFiled: September 1, 1998Date of Patent: March 20, 2001Assignee: Henkel Kommandigesellschaft Auf AktienInventors: Anja Patten, Ralf Krack, Dietmar Rossner
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Patent number: 6194367Abstract: The present invention discloses an alkaline cleaning composition for cleaning heavily soiled metal surfaces such as food fryers, baking pans, high temperature pasteurizers, and beer kettles, ceramic surfaces such as restaurant grade ceramic china plates and platters, and plastic surfaces. The cleaning composition is noncaustic and includes a peroxygen compound, a chelate, and a metasilicate and/or sesquisilicate. A preferred cleaning composition further includes a surfactant and hydrated builder.Type: GrantFiled: April 27, 1999Date of Patent: February 27, 2001Assignee: Charvid Limited Liability Co.Inventor: Charles Bullick Talley
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Patent number: 6194368Abstract: The invention relates to a dishwasher detergent in the form of a multi-layer tablet comprising a bleach, a bleach activator, a silver/copper corrosion inhibitor and also other customary constituents, where the silver/copper corrosion inhibitor is not present together with the bleach and the bleach activator in one layer.Type: GrantFiled: April 10, 1998Date of Patent: February 27, 2001Assignee: Joh A. Benckiser, GmbHInventors: Guido Wäschenbach, Paul Robinson, Brigitte Sandmann, Harald Magg, Wilfried Höflinger
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Patent number: 6191088Abstract: The present invention relates to an automatic dishwashing composition which can be in the form of a tablet which generally comprises an alkali metal phosphate detergent builder salt, an alkali metal carbonate, a dialkali metal disilicate, a nonionic surfactant, an alkali metal metasilicate, a polymer containing sulfonic acid groups, a chlorine bleach compound, a hydrotrope and a clay.Type: GrantFiled: June 1, 1999Date of Patent: February 20, 2001Assignee: Colgate-Palmolive Co.Inventors: Gary Binstock, Bruce Cummings, Divaker Kenkare, Kevin Kinscherf, Steve Phillips
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Patent number: 6164296Abstract: A highly alkaline or mildly alkaline detergent composition having enhanced cleaning properties is provided. The detergent combines a source of alkalinity and a blend of nonionic surfactants that enhances cleaning waxy-fatty soils.Type: GrantFiled: January 11, 1999Date of Patent: December 26, 2000Assignee: Ecolab Inc.Inventors: Steven E. Lentsch, Victor F. Man, Deborah A. Ihns, Helmut K. Maier, Rhonda K. Schulz
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Patent number: 6083895Abstract: A tabletted detergent composition comprises from 45% to 80% by weight of a builder system which is not fully hydrated and from 5% to 30% total water content, wherein the total water content comprises water derived from the builder system, optional ingredients and from added water, wherein the ratio of the total water content to added water content is from 100:1 to 5:4. The tablet exhibits improved hardness and strength.Type: GrantFiled: February 5, 1998Date of Patent: July 4, 2000Assignee: The Procter & Gamble CompanyInventor: Jane Margaret Warwick
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Patent number: 5981457Abstract: The present invention relates to a concentrated liquid gel warewash detergent composition which contains about 5% to about 30% by weight of an alkali polyphosphate, about 8% to about 50% by weight of a source of alkalinity, about 0% to about 5% by weight of a surface active agent, about 0.1% to about 2% by weight of a hydrophilic crosslinkled polycarboxylate thickening agent, about 0.1% to about 2% by weight of a hydrogen bonding agent for the polycarboxylate, and about 0 to about 15% of a polyacrylate, the balance being water. The composition may also contain about 0% to about 3% by weight of a chlorine bleach. The composition is predissolved and can be accurately metered into warewash machines to clean and destain tablewares and dishwares.Type: GrantFiled: January 31, 1997Date of Patent: November 9, 1999Assignee: Kay Chemical CompanyInventor: Fahim U. Ahmed
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Patent number: 5968881Abstract: Automatic dishwashing detergent compositions comprising phosphate builder and metal-containing bleach catalyst, preferably catalysts containing manganese and/or selected from selected cobalt/ammonia catalysts. Preferred compositions comprise cobalt bleach catalyst having the formula:[Co(NH3).sub.n (M).sub.m (B).sub.b ]T.sub.ywherein cobalt is in the +3 oxidation state; n is 4 or 5 (preferably 5); M is one or more ligands coordinated to the cobalt by one site; B is a ligand coordinated to the cobalt by two sites; b is 0 or 1 (preferably 0); and when b=0, then m+n=6, and when b=1, then m=0 and n=4; and T is one or more appropriately selected counteranions present in a number y, wherein y is an integer to obtain a charge-balanced salt (preferably y is 1-3; most preferably 2 when T is a -1 charged anion); and wherein further the catalyst has a base hydrolysis rate constant of less than 0.23M.sup.-1 s.sup.-1 at 25.degree. C.Type: GrantFiled: December 20, 1995Date of Patent: October 19, 1999Assignee: The Procter & Gamble CompanyInventors: Donna Jean Haeggberg, William Michael Scheper
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Patent number: 5939373Abstract: Automatic dishwashing detergent compositions comprising phosphate builder and metal-containing bleach catalyst, preferably catalysts containing manganese and/or selected from selected cobalt/ammonia catalysts. Preferred compositions comprise cobalt bleach catalyst having the formula:?Co(NH3).sub.n (M).sub.m (B).sub.b !T.sub.ywherein cobalt is in the +3 oxidation state; n is 4 or 5 (preferably 5); M is one or more ligands coordinated to the cobalt by one site; B is a ligand coordinated to the cobalt by two sites; b is 0 or 1 (preferably 0); and when b=0, then m+n 6, and when b=1, then m=0 and n=4; and T is one or more appropriately selected counteranions present in a number y, wherein y is an integer to obtain a charge-balanced salt (preferably y is 1-3; most preferably 2 when T is a -1 charged anion); and wherein further the catalyst has a base hydrolysis rate constant of less than 0.23M.sup.-1 s.sup.-1 at 25.degree. C. Preferred automatic dishwashing compositions further comprise amylase and/or protease.Type: GrantFiled: February 24, 1998Date of Patent: August 17, 1999Assignee: The Procter & Gamble CompanyInventors: Donna Jean Haeggberg, William Michael Scheper
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Patent number: 5914307Abstract: A process for preparing a high density detergent-composition is provided. The process comprises the steps of:a) drying detergent agglomerates to a free moisture content of less than about 7% by weight thereby forming substantially dry detergent agglomerates; andb) charging the substantially dry detergent agglomerates into a moderate speed mixer/densifier to densify the substantially dry detergent agglomerates to form a high density detergent having a density of at least about 900 g/l. In preferred embodiments, the process also comprises forming hydrated detergent agglomerates via the steps of hydrating an anhydrous hydratable detergent salt to a degree of hydration of at least about 60% and agglomerating the hydrated detergent salt by charging the hydrated detergent salt and additional detergent ingredients into a high speed mixer/densifier and agglomerating the hydrated detergent salt and additional detergent ingredients to form hydrated detergent agglomerates.Type: GrantFiled: October 15, 1996Date of Patent: June 22, 1999Assignee: The Procter & Gamble CompanyInventors: Frank William DeNome, John Frederick Lange
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Patent number: 5888954Abstract: A process for inhibiting the corrosion of silver in a dishwashing detergent solution by adding to the solution an inorganic redox-active substance.Type: GrantFiled: August 28, 1997Date of Patent: March 30, 1999Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Juergen Haerer, Helmut Blum, Birgit Burg, Thomas Holderbaum, Willi Buchmeier, Peter Jeschke, Horst-Dieter Speckmann, Frank Wiechmann, Christian Nitsch
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Patent number: 5876514Abstract: We have found an alkaline warewashing detergent composition that can contain a critical amount of a nonionic rinse agent that when used in automatic warewashing machines permits the use of a potable water rinse without the addition of a separate rinse agent. Sufficient residual nonionic surfactant from the alkaline detergent remains on the surface ware and internal machine and rack surfaces after washing to promote adequate sheeting in the rinse cycle. The residual nonionic surfactant on internal surfaces dissolves in the rinse water to create an effective aqueous rinse agent. The nonionic rinse agents can be a single nonionic for both foam reduction cleaning and sheeting or can be a blend of nonionic materials providing these functions. The detergent can be in the form of a particulate, pelletized or block solid.Type: GrantFiled: January 23, 1997Date of Patent: March 2, 1999Assignee: Ecolab Inc.Inventors: John J. Rolando, Terry J. Klos
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Patent number: 5783540Abstract: A solid detergent composition and a method of using the composition in a machine dishwasher is described. The product contains a first layer having an oxygen bleaching system, a buffering system of a builder, and an enzyme. The first layer dissolves to deliver a pH of about 8.5 to about 11 in the wash water. A second layer includes an effective amount of an acidity agent selected from an inorganic acid, an organic acid and mixtures thereof, a continuous medium having a melting point in the range of from about 55.degree. C. to about 70.degree. C. and an anti-scaling agent. The second layer dissolves in wash water to deliver a pH of from about 6.5 to about 9.Type: GrantFiled: December 23, 1996Date of Patent: July 21, 1998Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Isaac Israel Secemski, David John Lang, John Richard Nicholson, Bozena Marianna Piatek
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Low sudsing detergent compositions containing long chain amine oxide and branched alkyl carboxylates
Patent number: 5726141Abstract: Low sudsing dishwashing detergent compositions which exhibit good grease emulsification performance comprise branched alkyl carboxylate detergent surfactants and long chain amine oxide. A preferred embodiment contains anionic or nonionic co-surfactants.Type: GrantFiled: December 20, 1996Date of Patent: March 10, 1998Assignee: The Procter & Gamble CompanyInventor: Kofi Ofosu-Asante -
Patent number: 5670467Abstract: Stratified solid cast alkaline detergent compositions are disclosed in which the concentrations of an active alkalinity source and water of hydration which contain at least one granular material in varying concentration throughout the composition. Methods of making and using the disclosed compositions are also disclosed.Type: GrantFiled: April 19, 1995Date of Patent: September 23, 1997Inventor: Howard Fleisher
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Patent number: 4281153Abstract: This disclosure describes novel 15-deoxy-16-hydroxy-16-substituted prostanoic acids and congeners thereof having utility as bronchodilators as hypotensive agents, and as agents for the control of excessive gastric secretion.Type: GrantFiled: January 17, 1980Date of Patent: July 28, 1981Assignee: American CyanamidInventors: Middleton B. Floyd, Jr., Martin J. Weiss, Charles V. Grudzinskas, Sow-Mei Lai Chen
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Patent number: RE38262Abstract: We have found an alkaline warewashing detergent composition that can contain a critical amount of a nonionic rinse agent that when used in automatic warewashing machines permits the use of a potable water rinse without the addition of a separate rinse agent. Sufficient residual nonionic surfactant from the alkaline detergent remains on the surface ware and internal machine and rack surfaces after washing to promote adequate sheeting in the rinse cycle. The residual nonionic surfactant on internal surfaces dissolves in the rinse water to create an effective aqueous rinse agent. The nonionic rinse agents can be a single nonionic for both foam reduction cleaning and sheeting or can be a blend of nonionic materials providing these functions. The detergent can be in the form of a particulate, pelletized or block solid.Type: GrantFiled: March 2, 2001Date of Patent: October 7, 2003Assignee: Ecolab Inc.Inventors: John J. Rolando, Terry J. Klos