With Overglaze Or Glassware Protection Component (except Alkali Metal Silicate) Patents (Class 510/227)
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Patent number: 8980818Abstract: The present invention relates to an aqueous composition comprising three components. The first component is a primary detergent, non-ionic surfactant with a critical packing parameters (CPP) of ?0.95. The second component is a inorganic particle whose surface has been modified to improve stability. The third necessary component is a secondary surfactant with a CPP of ?0.85. The secondary surfactant can function to improve the overall cleaning performance, the streaking performance and provide overall formulation stability.Type: GrantFiled: December 13, 2011Date of Patent: March 17, 2015Assignee: Akzo Nobel Chemicals International B.V.Inventors: Julia Mary Wates, Maurice O. Dery, Alberto Slikta, Boen Ho O
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Patent number: 8685911Abstract: A rinse aid composition comprising: a) a polymer comprising an acrylic acid backbone and alkoxylated side chains, said polymer comprising a molecular weight of from about 4,000 to about 22,000, the polymer comprising from about 20 wt % to about 50 wt % of an alkylene oxide; and b) a low foaming nonionic surfactant.Type: GrantFiled: November 30, 2009Date of Patent: April 1, 2014Assignee: The Procter & Gamble CompanyInventor: Xinbei Song
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Patent number: 8426350Abstract: A detergent composition comprising three or more distinct regions, the composition comprising one or more anti-corrosion agents and a bleaching compound, wherein, the bleaching compound is predominantly located in a first distinct region, and the one or more anti-corrosion agents are predominantly located in a second distinct region having a pH in the range of from 5 to 8.9 which second distinct region is not in direct contact with the first distinct region, and further wherein the second distinct region has a lower pH than the first distinct region.Type: GrantFiled: August 17, 2007Date of Patent: April 23, 2013Assignee: Reckitt Benckiser N.V.Inventors: Laurence Geret, Thomas Hardt
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Patent number: 8399393Abstract: A warewashing detergent composition is provided including an alkalinity source, a corrosion inhibitor and optionally, a cleaning agent. The glass corrosion inhibitor includes at least a soluble lithium salt and optionally includes a soluble aluminum salt and/or a soluble silicate salt. The warewashing detergent composition has a pH of at least about 8.Type: GrantFiled: May 3, 2010Date of Patent: March 19, 2013Assignee: Ecolab USA Inc.Inventor: Altony Miralles
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Patent number: 8216990Abstract: The present invention provides a composition. The composition comprises zinc and bismuth. The composition is for use in the protection of glassware in an automatic dishwashing process from detrimental effects caused by exposure to aluminum.Type: GrantFiled: January 24, 2011Date of Patent: July 10, 2012Assignee: Reckitt Benckiser N.V.Inventors: Karlheinz Ulrich Gerhard Hahn, Karin Werner
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Patent number: 8097576Abstract: The present invention provides a composition. The composition comprises zinc and bismuth. The composition is for use in the protection of glassware in an automatic dishwashing process.Type: GrantFiled: January 24, 2011Date of Patent: January 17, 2012Assignee: Reckitt Benckiser N.V.Inventor: Karlheinz Ulrich Gerhard Hahn
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Publication number: 20110301072Abstract: A warewashing composition includes a cleaning agent having a detersive amount of a surfactant, an alkaline source in an amount effective to provide a use composition having a pH of at least about 8 when the use composition is measured at a solids concentration of about 0.5 wt %, and a corrosion inhibitor in an amount sufficient for reducing corrosion of glass when the warewashing composition is combined with water of dilution at a dilution ratio of at least about 20:1 water of dilution to detergent composition o form a use composition. The corrosion inhibitor includes a salt of calcium, magnesium, or a mixture of calcium and magnesium. The salt has a water solubility of less than about 0.5 wt % in water at about 20° C. and atmospheric pressure so that the salt precipitates to form a protective layer on a substrate in contact with the use composition.Type: ApplicationFiled: August 15, 2011Publication date: December 8, 2011Applicant: ECOLAB USA INC.Inventors: Kim R. Smith, Keith E. Olson, Michael E. Besse, Michael J. Bartelme
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Patent number: 8044012Abstract: The present invention relates to a detergent composition for automatic dishwashing machines, containing (A) particles containing 0.05 to 10% by mass of (a) a polymer compound having a monomer unit with a cationic group and another monomer unit with an anionic group at a molar ratio [the total number of moles of cationic groups]/[the total number of moles of anionic groups] of 30/70 to 90/10, wherein the content of the polymer compound (a) in the detergent composition is 0.05 to 1.5% by mass.Type: GrantFiled: September 25, 2006Date of Patent: October 25, 2011Assignee: Kao CorporationInventors: Masashi Yoshikawa, Nobuhiro Nishizawa, Takashi Kawashima, Tadashi Nishimori
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Patent number: 8021493Abstract: A warewashing composition includes a cleaning agent having a detersive amount of a surfactant, an alkaline source in an amount effective to provide a use composition having a pH of at least about 8 when the use composition is measured at a solids concentration of about 0.5 wt %, and a corrosion inhibitor in an amount sufficient for reducing corrosion of glass when the warewashing composition is combined with water of dilution at a dilution ratio of at least about 20:1 water of dilution to detergent composition o form a use composition. The corrosion inhibitor includes a salt of calcium, magnesium, or a mixture of calcium and magnesium. The salt has a water solubility of less than about 0.5 wt % in water at about 20° C. and atmospheric pressure so that the salt precipitates to form a protective layer on a substrate in contact with the use composition. A method of reducing corrosion using the warewashing composition is also disclosed.Type: GrantFiled: May 2, 2008Date of Patent: September 20, 2011Assignee: Ecolab USA Inc.Inventors: Kim R. Smith, Keith E. Olson, Michael E. Besse, Michael J. Bartelme
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Patent number: 7939483Abstract: Water-soluble glass as corrosion protector in dishwashing machines A zinc-containing, water-soluble glass composition comprising from 41 to 54 mole % of P2O5, 10 to 30 mole % of alkali oxides, up to 5 mole % of SO3 and up to 25 mole % of ZnO.Type: GrantFiled: March 31, 2010Date of Patent: May 10, 2011Assignee: Reckitt Benckiser N.V.Inventor: Karlheinz Ulrich Gerhard Hahn
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Patent number: 7919448Abstract: The present invention relates to compositions including a water soluble magnesium salt, water soluble calcium salt, and gluconate, which have a beneficial effect on corrosion during cleaning. The present compositions can reduce corrosion of glass, aluminum, or steel. The present invention also relates to methods employing these compositions.Type: GrantFiled: March 17, 2010Date of Patent: April 5, 2011Assignee: Ecolab USA Inc.Inventors: Kim R. Smith, Michael E. Besse, Michael Bartelme, Michel M. Lawrence
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Patent number: 7858574Abstract: 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 composition having a pH of at least about 8. The corrosion inhibitor includes a source of aluminum ion and at least one of a source of calcium ion or a source of magnesium ion. The amounts of calcium ion or magnesium ion can be selected depending upon the hardness of the water of dilution. Methods for using a warewashing detergent composition are provided.Type: GrantFiled: June 8, 2010Date of Patent: December 28, 2010Assignee: Ecolab USA Inc.Inventors: Kim R. Smith, Michael J. Bartelme, Keith E. Olson
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Patent number: 7829516Abstract: 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 composition having a pH of at least about 8. The corrosion inhibitor includes a source of aluminum ion and a source of zinc ion. The relative amounts of the source of zinc ion and the source of aluminum ion can be controlled to reduce visible filming when the warewashing detergent composition is used in the presence of hard water. Methods for using and manufacturing a warewashing detergent composition are provided.Type: GrantFiled: November 12, 2009Date of Patent: November 9, 2010Assignee: Ecolab USA Inc.Inventors: Kim R. Smith, Keith E. Olson, Howie Kestell, Michael J. Bartelme, Steven E. Lentsch, Victor F. Man, Burton M. Baum, Terence P. Everson
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Patent number: 7759299Abstract: 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 composition having a pH of at least about 8. The corrosion inhibitor includes a source of aluminum ion and at least one of a source of calcium ion or a source of magnesium ion. The amounts of calcium ion or magnesium ion can be selected depending upon the hardness of the water of dilution. Methods for using a warewashing detergent composition are provided.Type: GrantFiled: July 24, 2006Date of Patent: July 20, 2010Assignee: Ecolab Inc.Inventors: Kim R. Smith, Michael J. Bartelme, Keith E. Olson
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Patent number: 7741262Abstract: The present invention relates to compositions including a water soluble magnesium salt, water soluble calcium salt, and gluconate, which have a beneficial effect on corrosion during cleaning. The present compositions can reduce corrosion of a variety of surfaces including glass, aluminum, chrome, copper, and steel. The present invention also relates to methods employing these compositions.Type: GrantFiled: October 31, 2008Date of Patent: June 22, 2010Assignee: Ecolab Inc.Inventors: Kim R. Smith, Michel M. Lawrence, Michael J. Bartelme
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Publication number: 20100132741Abstract: The present invention relates to a detergent composition comprising at least one surfactant, at least one biodegradable builder and, at least one source of metal ions, wherein the metal ions are selected from zinc; tin; magnesium; calcium; strontium; titanium; zirconium; manganese; and/or bismuth. The composition is especially suitable for use as a dishwasher detergent composition. The present invention also relates to methods for using such a composition as well as methods of washing dishes with the composition.Type: ApplicationFiled: December 21, 2007Publication date: June 3, 2010Applicant: Reckitt Benckiser N.V.Inventors: Stefan Frey, Laurence Geret, Judith Preuschen, Ralf Wiedemann
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Patent number: 7709434Abstract: The present invention relates to compositions including a water soluble magnesium salt, water soluble calcium salt, and gluconate, which have a beneficial effect on corrosion during cleaning. The present compositions can reduce corrosion of glass, aluminum, or steel. The present invention also relates to methods employing these compositions.Type: GrantFiled: May 2, 2008Date of Patent: May 4, 2010Assignee: Ecolab Inc.Inventors: Kim R. Smith, Michael E. Besse, Michael Bartelme, Michel M. Lawrence
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Patent number: 7638473Abstract: 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 composition having a pH of at least about 8. The corrosion inhibitor includes a source of aluminum ion and a source of zinc ion. The relative amounts of the source of zinc ion and the source of aluminum ion can be controlled to reduce visible filming when the warewashing detergent composition is used in the presence of hard water. Methods for using and manufacturing a warewashing detergent composition are provided.Type: GrantFiled: October 13, 2008Date of Patent: December 29, 2009Assignee: Ecolab Inc.Inventors: Kim R. Smith, Keith E. Olson, Howie Kestell, Michael J. Bartelme, Steven E. Lentsch, Victor F. Man, Burton M. Baum, Terence P. Everson
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Publication number: 20090298736Abstract: Multi-armed silyl polyalkoxylates of the formula (I), (H-A)n-Z-[A-B—Si(OR1)r(R2)3?r]m (I), where Z is an (m+n)-valent radical having at least three carbon atoms, A is a divalent polyoxyalkylene radical, B is a chemical bond or a divalent organic radical having 1 to 50 carbon atoms, OR1 is a hydrolysable group, R1 and R2 independently of one another are a linear or branched alkyl group having 1 to 6 carbon atoms and r is an integer from 1 to 3, and m is an integer ?1 and n is 0 or an integer ?1, and m+n has a value from 3 to 100, for reducing glass corrosion and/or for improving the drying performance during mechanical cleaning of a glass surface. Also compositions, in particular for the cleaning of glass surfaces, which compositions contain compounds of the formula (I).Type: ApplicationFiled: June 4, 2009Publication date: December 3, 2009Applicant: Henkel AG & Co. KGaAInventors: Arnd Kessler, Haitao Rong, Wolfgang Wick, Matthias Schweinsberg
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Publication number: 20090233833Abstract: The present invention provides a composition. The composition comprises zinc and bismuth. The composition is for use in the protection of glassware in an automatic dishwashing process from detrimental effects caused by exposure to aluminium.Type: ApplicationFiled: May 27, 2009Publication date: September 17, 2009Applicant: RECKITT BENCKISER N.V.Inventors: Karlheinz Ulrich Gerhard Hahn, Karin Werner
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Publication number: 20090233834Abstract: The present invention provides a composition. The composition comprises zinc and bismuth. The composition is for use in the protection of glassware in an automatic dishwashing process.Type: ApplicationFiled: May 27, 2009Publication date: September 17, 2009Applicant: RECKITT BENCKISER N.V.Inventor: Karlheinz Ulrich Gerhard Hahn
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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: 7456142Abstract: A zinc-containing, water-soluble glass composition comprising from 41 to 54 mole % of P2O5, 10 to 30 mole % of alkali oxides, up to 5 mole % of SO3 and up to 25 mole % of ZnO.Type: GrantFiled: July 11, 2007Date of Patent: November 25, 2008Assignee: Reckitt Benckiser N.V.Inventor: Karlheinz Ulrich Gerhard Hahn
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Patent number: 7452853Abstract: 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 composition having a pH of at least about 8. The corrosion inhibitor includes a source of aluminum ion and a source of zinc ion. The relative amounts of the source of zinc ion and the source of aluminum ion can be controlled to reduce visible filming when the warewashing detergent composition is used in the presence of hard water. Methods for using and manufacturing a warewashing detergent composition are provided.Type: GrantFiled: August 7, 2006Date of Patent: November 18, 2008Assignee: Ecolab Inc.Inventors: Kim R. Smith, Keith E. Olson, Howie Kestell, Michael J. Bartelme, Steven E. Lentsch, Victor F. Man, Burton M. Baum, Terence P. Everson
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Patent number: 7361632Abstract: A zinc-containing, water-soluble glass composition comprising from 41 to 54 mole % of P2O5, 10 to 30 mole % of alkali oxides, up to 5 mole % of SO3 and up to 25 mole % of ZnO.Type: GrantFiled: July 25, 2005Date of Patent: April 22, 2008Assignee: Reckitt Benckiser N.V.Inventor: Karlheinz Ulrich Gerhard Hahn
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Patent number: 7320957Abstract: Rinse-aid composition comprising a polyalkoxylated trisiloxane surfactant and a non-ionic solubilising system having a cloud point above room temperature and an acidifying agent wherein the rinse-aid composition has a pH of from about 1 to about 4.5.Type: GrantFiled: January 30, 2006Date of Patent: January 22, 2008Assignee: The Procter & Gamble CompanyInventors: Anju Deepali Massey Brooker, Harold Emmerson, Andrew Paul Nelson, Eric San Jose Robles, Brian Xiaoqing Song
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Patent number: 7282472Abstract: An automatic dishwashing composition in unit dose form for delivery into the main-wash cycle of an automatic dishwashing machine, the composition comprising a phosphate or non-phosphate detergency builder and a sulfonated anti-scaling polymer.Type: GrantFiled: November 15, 2005Date of Patent: October 16, 2007Assignee: The Procter & Gamble CompanyInventors: Neha Kapur, Anju Deepali Massey Brooker, James Iain Kinloch, Alison Lesley Main
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Patent number: 7271138Abstract: Through-the-wash automatic dishwashing detergent compositions, especially detergent compositions comprising zinc-containing materials, are provided for protecting glassware from surface corrosion during automatic dishwashing.Type: GrantFiled: October 12, 2004Date of Patent: September 18, 2007Assignee: The Procter & Gamble CompanyInventors: Brian Xiaoqing Song, Patricia Sara Berger, James Robert Schwartz, Robert William Corkery
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Patent number: 7241726Abstract: Complete-cycle methods are provided for protecting glassware from corrosion in automatic dishwashing appliances using a through-the-wash detergent composition, especially detergent compositions comprising zinc-containing materials, in combination with a rinse aid composition, especially rinse aid compositions comprising at least one water-soluble metal salt.Type: GrantFiled: October 12, 2004Date of Patent: July 10, 2007Assignee: The Procter & Gamble CompanyInventors: Brian Xiaoqing Song, Paul Joseph Drzewiecki, Patricia Sara Berger, James Robert Schwartz, Robert William Corkery
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Patent number: 7196045Abstract: 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: February 2, 2006Date of Patent: March 27, 2007Assignee: Ecolab Inc.Inventors: Steven E. Lentsch, Michael J. Bartelme, Victor F. Man, Burton M. Baum, Terence P. Everson
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Patent number: 7196044Abstract: 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 composition having a pH of at least about 8. The corrosion inhibitor includes a source of aluminum ion and a source of zinc ion. The relative amounts of the source of zinc ion and the source of aluminum ion can be controlled to reduce visible filming when the warewashing detergent composition is used in the presence of hard water. Methods for using and manufacturing a warewashing detergent composition are provided.Type: GrantFiled: June 25, 2004Date of Patent: March 27, 2007Assignee: Ecolab, Inc.Inventors: Kim R. Smith, Keith E. Olson, Howie Kestell, Michael J. Bartelme, Steven E. Lentsch, Victor F. Man, Burton M. Baum, Terence P. Everson
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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: 7135448Abstract: 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: July 2, 2003Date of Patent: November 14, 2006Assignee: Ecolab Inc.Inventors: Steven E. Lentsch, Michael J. Bartelme, Victor F. Man, Burton M. Baum, Terence P. Everson
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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: 6998375Abstract: An automatic dishwashing composition in unit dose form for delivery into the main-wash cycle of an automatic dishwashing machine, the composition comprising a phosphate or non-phosphate detergency builder and a sulfonated anti-scaling polymer.Type: GrantFiled: November 14, 2002Date of Patent: February 14, 2006Assignee: The Procter & Gamble CompanyInventors: Neha Kapur, Anju Deepali Massey Brooker, James Iain Kinloch, Alison Lesley Main
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Patent number: 6812202Abstract: The invention relates to a highly alkaline or mildly alkaline detergent composition having enhanced cleaning properties. The detergent combines a source of alkalinity and a blend of nonionic surfactants that enhances cleaning starchy soils. The blend of nonionic surfactants preferably includes an alkyl polyglycoside surfactant and a silicon surfactant having a hydrophobic silicon group and a pendant hydrophilic group. Preferably, the blend of nonionic surfactants includes a surfactant having a hydrophobic group and an ethylene oxide residue containing group and a polymer additive. A method for removing soil from an article is provided.Type: GrantFiled: November 18, 2003Date of Patent: November 2, 2004Assignee: Ecolab Inc.Inventors: Victor F. Man, Terrence P. Everson, Steven E. Lentsch
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Patent number: 6806245Abstract: A method is provided for using a ceramic composition to protect glassware from corrosion in a dishwasher. The ceramic composition contains at least one compound which releases an active agent during washing and/or rinsing cycles of a dishwasher to protect glassware from corrosion.Type: GrantFiled: September 3, 2002Date of Patent: October 19, 2004Assignee: Reckitt Benckiser N.V.Inventor: Karlheinz Ulrich Gerhard Hahn
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Publication number: 20040176264Abstract: a water-soluble metal salt, an acid, a non-ionic surfactant, a dispersant polymer and/or a perfume for use in automatic dishwashing is disclosed.Type: ApplicationFiled: December 17, 2003Publication date: September 9, 2004Applicant: The Procter & Gamble CompanyInventors: Brian Xiaoqing Song, Marie Rose Salem, Paul Joseph Drzewiecki
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Patent number: 6767880Abstract: A process for improving aesthetics of a liquid dishwashing detergent product is disclosed. The process includes the steps of providing a liquid dishwashing detergent composition and adding solid particles to the liquid dishwashing detergent composition. The particles are coated with a polymeric coating. The coating is prepared from materials which are insoluble in the liquid dishwashing detergent composition but soluble in dishwashing wash solution.Type: GrantFiled: September 24, 2001Date of Patent: July 27, 2004Assignee: The Procter & Gamble CompanyInventors: Peter Robert Foley, Brian Xiaoqing Song, Mary Ruth Leyendecker, Eugene Steven Sadlowski, Jeffrey Donald Painter, Joseph Herbert Thien
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Patent number: 6767878Abstract: A light duty liquid detergent with desirable cleansing properties to the human skin and dishes comprising a C8-18 ethoxylated alkyl ether sulfate anionic surfactant, a sulfonate anionic surfactant, an alkyl polyglucoside surfactant, an amine oxide, solid particles, a 3-D structuring agent which is a particles suspending system and water.Type: GrantFiled: July 23, 2003Date of Patent: July 27, 2004Assignee: Colgate-Palmolive CompanyInventors: Marc Paye, Louis Oldenhove, Christine Toussaint, Karen Wisniewski, Barbara Thomas
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Patent number: 6730647Abstract: A composition is provided for use in a dishwashing machine and in the form of a tablet. The composition is characterized by having at least two small parts, which are placed in or on the tablet, and in which at least one functional substance is concentrated in each case thus enabling the respective small part to be released by dissolution at a determined point in time during the dishwashing cycle. The small parts are produced by using at least two different methods.Type: GrantFiled: June 28, 2002Date of Patent: May 4, 2004Assignee: Rackitt Benckiser N.V.Inventors: Guido Wäschenbach, Harald Magg, Richard Neergaard, Enric Carbonell, Ralf Wiedemann
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Patent number: 6730645Abstract: A method for improving stability of a dye used in a colored aqueous acidic rinse aid composition to ambient and ultra-violet light radiation is disclosed. The method includes the step of adding a chelant to an acidic rinse aid composition. The chelant is present in an amount of at least 1 ppm by weight of the rinse aid composition.Type: GrantFiled: July 11, 2001Date of Patent: May 4, 2004Assignee: The Procter & Gamble CompanyInventors: Peter Robert Foley, Xiaoqing Song, Lucio Pieroni
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Patent number: 6727213Abstract: A composition for use in a dishwasher is characterized by a base composition in the form of a tablet which becomes active substantially during the main wash cycle of the dishwasher. At least one separate zone in or on the tablet is provided with a substance that becomes active substantially during the rinse cycle of the dishwasher and with at least one substance that prevents lime scale build-up in the dishwasher and/or on the washed articles. The composition further includes agents that guarantee that at least the substance that becomes active substantially during the rinse cycle of the dishwasher is at least mainly released at the beginning of the rinse cycle at the earliest.Type: GrantFiled: June 28, 2002Date of Patent: April 27, 2004Assignee: Reckitt Benckiser N.V.Inventors: Guido Wäschenbach, Harald Magg, Richard Neergaard, Enric Carbonell, Ralf Wiedemann
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Patent number: 6649586Abstract: The invention relates to a highly alkaline or mildly alkaline detergent composition having enhanced cleaning properties. The detergent combines a source of alkalinity and a blend of nonionic surfactants that enhances cleaning starchy soils. The blend of nonionic surfactants preferably includes an alkyl polyglycoside surfactant and a silicon surfactant having a hydrophobic silicon group and a pendant hydrophilic group. Preferably, the blend of nonionic surfactants includes a surfactant having a hydrophobic group and an ethylene oxide residue containing group and a polymer additive. A method for removing soil from an article is provided.Type: GrantFiled: January 30, 2003Date of Patent: November 18, 2003Assignee: Ecolab Inc.Inventors: Victor F. Man, Terrence P. Everson, Steven E. Lentsch
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Publication number: 20030134765Abstract: An automatic dishwashing composition in unit dose form for delivery into the main-wash cycle of an automatic dishwashing machine, the composition comprising a phosphate or non-phosphate detergency builder and a sulfonated anti-scaling polymer.Type: ApplicationFiled: November 14, 2002Publication date: July 17, 2003Inventors: Neha Kapur, Anju Deepali Massey Brooker, James Iain Kinloch, Alison Lesley Main
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Patent number: 6448210Abstract: A liquid dishwashing detergent composition having improved glassware protection when employed in conjunction with cleaning materials having high concentrations of alkaline materials. The composition contains a soluble organic zinc compound which preferably is zinc gluconate and is particularly suited to fast cycle commercial (I&I) dishwashers. The zinc gluconate is prepared in situ or zinc and gluconic ions are provided in a batching process.Type: GrantFiled: February 15, 2000Date of Patent: September 10, 2002Assignee: JohnsonDiversey, Inc.Inventors: George B. Keyes, Charles E. Seaman, Jon K. Kasson
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Patent number: 6372702Abstract: A dishwashing composition having a silicon comprising surfactant, a dialkyl ester of an alpha, omega-alkyl dicarboxylic acid surfactant or both is described. The dishwashing composition unexpectedly results in dishware that does display improved starch soil removal and does not display starch buildup after multiple washes.Type: GrantFiled: February 22, 2000Date of Patent: April 16, 2002Assignee: Diversey Lever, Inc.Inventors: Yu-Min Catherine Chiou, Bingham Scott Jaynes, Dennis Stephen Murphy, Deborah Sue Rick
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Patent number: 6367487Abstract: A novel anti-etch and cleaning solution is described. The solution comprises a hetero functionalized polymer, caustic and optionally, an anti-etch component and unexpectedly results in glassware that is substantially free of contaminants and etching after washing.Type: GrantFiled: August 11, 1999Date of Patent: April 9, 2002Assignee: Diversey Lever, Inc.Inventors: Carol Anne Rouillard, Charles Allen Crawford, David Cole, Michael Howell
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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