Liquid Composition (e.g., Slurry, Etc.) Patents (Class 510/369)
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Patent number: 11560529Abstract: A system and method for a metal sequestration composition comprising combining a galactaric salt or galactaric acid with a metalloid oxyanion, and an alkali compound. The system and method enable the production of a metal sequestration composition that either alone or in combination with other functional components (e.g. surfactants, solvents, pH modifiers) provide water treatment or cleaning compositions.Type: GrantFiled: August 28, 2020Date of Patent: January 24, 2023Assignee: ZestBio, Inc.Inventors: Ryan Protzko, Luke Latimer
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Patent number: 11208613Abstract: The invention relates to an aqueous foaming cleaning composition for removing soil at low temperatures from a surface to be cleaned, characterized in, that the aqueous foaming cleaning composition comprises: a linear and/or branched C12-alkyl dimethylamine oxide or C12-alkyl diethylamine oxide or C12-alkyl methylethylamine oxide; a linear and/or branched C14-alkyl dimethylamine oxide or C14-alkyl diethylamine oxide or C14-alkyl methylethylamine oxide; at least one anion tenside of: a dodecyl (oxyethylen)w sulfat, wherein w represents an average addition mole number ranging from about 1 to about 10, and/or at least one polyoxyalkylene alkyl ether carboxylic acid or salt thereof represented by formula (I): RO—(AO)n?1—A?—COOmM (I) wherein, R represents a linear and/or branched alkyl group having about 8 to about 18 carbon atoms; AO represents an alkylene oxy group having about 2 to about 4 carbon atoms; n represents an average addition mole number ranging from about 1 to about 20; A? represents an alkylene groupType: GrantFiled: February 3, 2020Date of Patent: December 28, 2021Assignee: Ecolab USA Inc.Inventors: Tillmann Kleine, Michael Schmidt, Gunnar Nöding, Daniela Richter, Christine Fehlis, Virginie Maas, Claudia Caussin De Schneck
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Patent number: 10986841Abstract: Sanitizing and disinfecting compositions with relatively low levels of free available chlorine, with good effectiveness against microbes. The composition may include less than 0.5% by weight hypochlorite or other free available chlorine level, at least one nonionic or zwitterionic surfactant, with a pH from 8 to 12.5. The composition is characterized by an R value of greater than 0 (e.g., greater than 0.5, or equal to 1), where R is defined as the sum of the concentration of any nonionic, zwitterionic, and cationic surfactants divided by the total surfactant concentration (and total surfactant concentration may include any surfactant aids). The compositions may exhibit at least a 3-log reduction in M. bovis or C. diff population within 10 minutes (e.g., 4-6 minutes).Type: GrantFiled: November 6, 2018Date of Patent: April 27, 2021Assignee: The Clorox CompanyInventors: Marisa Macnaughtan, Nipa Modi, Thomas Fahlen, Wenyu Zhang, Ashley Joseph, Timothy Mui
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Patent number: 9834744Abstract: The use of a gel consisting of a colloidal solution comprising, preferably consisting of: 5% to 30% by weight, preferably 5% to 25% by weight, more preferably 8% to 20% by weight relative to the weight of the gel, of at least one inorganic viscosifying agent; a mineral base selected from among hydroxides of alkaline metals, hydroxides of alkaline-earth metals and the mixtures thereof, said mineral base being present in a proportion of 0.05 to 10 mol/L of gel, preferably in a proportion of 0.1 to 5 mol/L of gel; an oxidizing agent stable in a basic medium selected from among permanganates, persulfates, ozone, hypochlorites and the mixtures thereof, said oxidizing agent stable in a basic medium being present in a proportion of 0.05 to 5 mol/L of gel, preferably 0.1 to 2 mol/L of gel; 0.1% to 2% by weight relative to the weight of the gel, of at least one surfactant; and a solvent; the gel not containing any super-absorbent polymer, to remove a biofilm present on a surface of a solid substrate.Type: GrantFiled: December 3, 2014Date of Patent: December 5, 2017Assignee: Commissariat à l'énergie atomique et aux énergies alternativesInventors: Amelie Ludwig, Frederic Goettmann, Fabien Frances, Romain Castellani
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Patent number: 9414584Abstract: The present invention provides a stabilized hypohalous acid solution (or formulation thereof), which may be conveniently packaged for sale, or stored for later use on demand. The invention further provides methods of making the stabilized hypohalous acid solution, as well as methods of use for disinfecting mammalian tissue, including wounds and burns, disinfecting or cleansing surfaces, or treating and/or preserving food products and cut flowers, among other uses.Type: GrantFiled: March 19, 2012Date of Patent: August 16, 2016Assignee: PURICORE, INC.Inventors: Svetlana Panicheva, Mark N. Sampson, Vadim Panichev, Gerald N. DiBello, Martyn James Rogers, Ronan Stapleton, Steven Lewis Short
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Patent number: 8802615Abstract: A process for making a particle comprising at least 45 wt % sulphate, from 0 wt % to 15 wt % anionic detersive surfactant, and having a bulk density of from 350 g/l to 700 g/l, comprising the steps of; (a) preparing an aqueous slurry comprising sulphate, and optionally detersive surfactant; (b) drying the particle; and wherein the sulphate added to the aqueous slurry has a volume average particle size of from 10 micrometers to 50 micrometers.Type: GrantFiled: February 20, 2013Date of Patent: August 12, 2014Assignee: The Procter & Gamble CompanyInventors: Andres Arturo Martinez-Guzman, Adam Porter, Hossam Hassan Tantawy, Nigel Patrick Somerville-Roberts, Alan Thomas Brooker
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Patent number: 8735618Abstract: Non-flammable, VOC-free organosilane quaternary ammonium compositions are provided in the form of pure or substantially pure water-soluble products that have bactericidal, fungicidal and viricidal activity and which are capable of bonding to various surfaces to form durable hydrophobic coatings. The resulting compositions are free of unreacted chloropropyltrialkoxysilanes, alkylamines and organic solvents that would otherwise provide flammable, corrosive, and/or toxic properties thereby inhibiting their safe and effective use in surface care, personal care and coating products.Type: GrantFiled: November 23, 2011Date of Patent: May 27, 2014Assignee: Resource Development L.L.C.Inventors: Jerome H. Ludwig, Howard Ohlhausen
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Patent number: 8449626Abstract: Described is a method of cleaning a white load in a laundry machine, preferably a professional laundry machine, the method comprises subjecting the load to at least two washing steps and wherein the method comprises the steps of delivering bleach and subsequently a whitening additive.Type: GrantFiled: November 1, 2010Date of Patent: May 28, 2013Assignee: The Procter & Gamble CompanyInventors: Francesco De Buzzaccarini, Rapheal Angeline Alfons Ceulemans, Edward Robert Offshack
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Patent number: 8440602Abstract: The present invention relates to a liquid, cleaning and/or cleansing composition comprising abrasive cleaning particles, wherein said abrasive cleaning particles comprise a divinyl benzene cross-linked styrene polymer, wherein said abrasive cleaning particles are non-spherical and have a mean particles size D(v,0.9) of at least about 10 ?m and wherein said liquid, cleaning and/or cleansing composition comprises from about 0% to about 30% by weight of the composition of an organic solvent.Type: GrantFiled: December 20, 2010Date of Patent: May 14, 2013Assignee: The Procter & Gamble CompanyInventors: Denis Alfred Gonzales, Martin Ian James, Geert Andre Deleersnyder, Steve Ray Merrigan, Thomas Allen Desmarais
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Publication number: 20120258903Abstract: Liquid abrasive cleanser compositions sprayable through conventional manual trigger sprayers comprise a polyalkylene glycol, a nonionic surfactant, a pH adjusting agent, an abrasive, and water, wherein sprayability is made possible by the addition of the polyalkylene glycol. The compositions that are sprayable and acceptable as hard surface cleaners comprise polyethylene glycol as the polyalkylene glycol. The addition of polyethylene glycol having molecular weight of from about 4,000 to about 1,000,000 dramatically increases the sprayer output volume of liquid abrasive compositions having greater than or equal to 10 wt. % calcium carbonate. Addition of polyethylene glycol of molecular weight of from about 4,000 to about 100,000 converts otherwise non-sprayable liquid abrasive compositions into reliably sprayable compositions.Type: ApplicationFiled: April 7, 2011Publication date: October 11, 2012Applicant: The Dial CorporationInventors: Mick Bjelopavlic, Kristen Jacokes, Joan M. Bergstrom
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Patent number: 7754004Abstract: Cleansing and multifunctional coating compositions containing an organosilane quaternary compound, nonreactive abrasives, thickeners and, optionally, hydrogen peroxide, in aqueous formulations are used to improve water and soil repellency and residual antimicrobial activity on surfaces. Various surfaces may be treated including metal, glass, plastics, rubber, porcelain, ceramic, marble, granite, cement, tile, sand, silica, enameled appliances, polyurethane, polyester, polyacrylic, melamine/phenolic resins, polycarbonate, painted surfaces, wood, and the like.Type: GrantFiled: May 25, 2007Date of Patent: July 13, 2010Assignee: Resource Development, L.L.C.Inventors: Howard G. Ohlhausen, Jerome H. Ludwig
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Patent number: 7704313Abstract: Cleansing and multifunctional coating compositions containing an organosilane quaternary compound, nonreactive abrasives, and hydrogen peroxide in aqueous formulations are used to improve water and soil repellency and residual antimicrobial activity on surfaces. Various surfaces may be treated including metal, glass, plastics, rubber, porcelain, ceramic, marble, granite, cement, tile, sand, silica, enameled appliances, polyurethane, polyester, polyacrylic, melamine/phenolic resins, polycarbonate, painted surfaces, wood, and the like.Type: GrantFiled: July 6, 2005Date of Patent: April 27, 2010Assignee: Resource Development L.L.C.Inventors: Howard G. Ohlhausen, Jerome H. Ludwig
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Patent number: 7678753Abstract: A liquid detergent composition containing (a) hydrogen peroxide or a compound for forming hydrogen peroxide in water, (b) a compound selected from boric acid, borax, a boric acid salt in an amount of from 0.05 to 1% by mass as a boron atom, (c) a compound having one or more sites, the site having one hydroxyl group at each of both sides of adjacent carbon atoms, in an amount of from 3 to 35% by mass, (d) a surfactant in an amount of from 4 to 45% by mass, and (e) water, wherein the molar ratio of the component (c)/the component (b) is from 1.5 to 2.7, and wherein the detergent composition has a pH at 20° C. of from 4.6 to 7.0.Type: GrantFiled: November 14, 2005Date of Patent: March 16, 2010Assignee: Kao CorporationInventors: Masataka Maki, Hitoshi Ishizuka, Nobuyoshi Yamaguchi, Yuuichirou Tase
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Publication number: 20080161219Abstract: Storage-stable organosilane quaternary compounds are provided in the form of adducts with urea (clathrates). The urea-organosilane quaternary clathrates enable the shipment, storage and preparation of compositions without hazardous solvents for end-use by manufacturers and consumers. Multifunctional cleansing and coating compositions are prepared employing the clathrates without sacrificing the properties and benefits of the organosilane quats.Type: ApplicationFiled: January 2, 2007Publication date: July 3, 2008Inventors: Howard G. Ohlhausen, Jerome H. Ludwig
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Patent number: 7300480Abstract: The solution is useful for removing a barrier material from a semiconductor substrate. The solution comprises, by weight percent, 0.01 to 25 oxidizer, 0 to 15 inhibitor for a nonferrous metal, 0 to 15 abrasive, 0 to 20 complexing agent for the nonferrous metal, 0.01 to 12 barrier removal agent and balance water. The barrier removal agent is selected from the group comprising imine derivative compounds, hydrazine derivative compounds and mixtures thereof.Type: GrantFiled: September 25, 2003Date of Patent: November 27, 2007Assignee: Rohm and Haas Electronic Materials CMP Holdings, Inc.Inventors: Jinru Bian, Kai Hu, Hugh Li, Zhendong Liu, John Quanci, Matthew R. VanHanehem
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Patent number: 6946037Abstract: The invention relates to the use of a surface-active agent and to the use of cleaning agents obtained by dilution of said surface-active agent for removing silicone-containing deposits from surfaces.Type: GrantFiled: April 28, 2001Date of Patent: September 20, 2005Assignee: Ecolab GmbH & Co. OHGInventors: Wilfried Serve, Siegfried Bragulla
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Patent number: 6918938Abstract: A polishing composition comprising an abrasive, an acid and/or a salt thereof, and water, wherein copper (Cu) is contained in an amount of 1 mg or less per kg of the polishing composition; a process for reducing a surface defect of a substrate comprising applying to a substrate or a polishing pad a polishing composition comprising an abrasive, an acid and/or a salt thereof, and water, wherein copper (Cu) is contained in an amount of 1 mg or less per kg of the polishing composition fed to the substrate or the polishing pad; and a process for manufacturing a substrate comprising a polishing step comprising applying to a substrate or a polishing pad the above polishing composition.Type: GrantFiled: October 21, 2003Date of Patent: July 19, 2005Assignee: Kao CorporationInventors: Toshiya Hagihara, Shigeo Fujii
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Patent number: 6582681Abstract: The invention relates to a method and a preparation for cleaning tooth root surfaces and surrounding tissue (periodontal pockets). The preparation is a two-component liquid of the type that has previously been used for chemical-mechanical treatment of carious lesion. The active component in the liquid is a hypochlorite, preferably sodium hypochlorite, and the other component in the liquid is a component which reduces the aggressiveness of the hypochlorite on healthy tissue and which also increases the viscosity of the liquid. The preparation is applied on the tooth root surface in question by means of a brush or an applicator instrument. After 10-15 seconds the root surface is cleaned by means of a scraping instrument.Type: GrantFiled: June 4, 2001Date of Patent: June 24, 2003Assignee: Mediteam Dentalutveckling I Goteborg ABInventor: Rolf Bornstein
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Patent number: 6572842Abstract: The invention relates to a preparation for chemical-mechanical treatment of caries by means of a caries-dissolving two-component liquid. One of the components is an active, caries dissolving component and the other a component which reduces the aggressiveness of the active component to mucous membranes. The active component is a chloride compound comprising active chlorine, i.e. chlorine having a charge state of +1, Cl(+1), which chloride has a somewhat lower reactivity than sodium hypochlorite and then also a somewhat reduced dissolving effect on the carious substance.Type: GrantFiled: October 17, 2001Date of Patent: June 3, 2003Assignee: Mediteam Dental, ABInventors: Rolf Bornstein, Lennart Carlsson, Stefan Dahlin
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Patent number: 6511953Abstract: The invention concerns hard surface cleaning compositions comprising a halogen bleaching agent and a surfactant system, wherein the surfactant system consists of or comprises at least one ethoxylated nonionic surfactant carrying a terminal OH group in an amount of more than 0.2% by weight of the composition and the composition comprises a buffer system to maintain the pH at or above 11.5. The surfactant system preferably comprises a mixture of anionic and nonionic surfactants. The compositions preferably additionally comprise an abrasive.Type: GrantFiled: February 20, 2001Date of Patent: January 28, 2003Assignee: Unilever Home & Personal Care USA, a division of Conopco, Inc.Inventors: Cinzia Fontana, Luciano Novita
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Patent number: 6409994Abstract: The present invention relates to a two-component preparation for chemical-mechanical treatment of caries. The inventive preparation consists of a two-components: a first component comprising active chlorine; and a second component comprising a non-acidic amine, a gelling agent such as carboxymethylcellulose, and a dye agent, such as erythrosin, that interacts with carious material.Type: GrantFiled: July 18, 2001Date of Patent: June 25, 2002Assignee: MediTeam Dental ABInventor: Stefan Dahlin
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Patent number: 6323014Abstract: There is provided a process for enhancing the activity of a phenol oxidizing enzyme, comprising adding to the enzyme, as an enhancer for the activity of the enzyme, one or more compounds having the formula: wherein: A is an optionally substituted electron-withdrawing group, chosen from the group consisting of nitrile, carboxyl, and esters and salts thereof, amides, aldehydes, ketones, sulfoxides, sulfones, or sulphonates, and B is an optionally substituted electron-donating group, chosen from the group consisting of the oxide anion, sulfide anion, oxides, amines, imines, hydroxides, sulfides, ethers, carboxylic acids, and halogen substituents, and R1-R5 may each independently represent hydrogen, hydroxy, halogen, nitroso, formyl, carboxyl, and esters and salts thereof, carbamoyl, sulfo, and esters and salts hereof, sulfamoyl, nitro, amino, phenyl, C1-C20 alkyl, C1-C8 alkoxy, carbonyl-C1-C6-alkoxy, aryl-C1-C6-alkyl, and R2 and R5 together may form an alkylene group or an alkenylene group.Type: GrantFiled: June 20, 2000Date of Patent: November 27, 2001Assignee: Unilever Home & Personal Care division of Conopco, Inc.Inventors: Greta Johanna Breel, Daniel Convents, Willem Van Liemt, Ton Swarthoff, Robin Stefan Twisker
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Patent number: 6176937Abstract: Aqueous acidic solutions of hydrogen peroxide used for metal surface treatments suffer from an increased decomposition rate of the hydrogen peroxide, caused by the dissolved metals such as iron, copper or titanium. A method is provided wherein stabilization can be achieved by employing a combination of a) a hydroxybenzoic acid, preferably p-hydroxybenzoic acid; b) a hydrotropic sulphonic acid, preferably p-toluene sulphonic acid; and c) a hydrophobic alkaryl sulphonic acid, preferably dodecylbenzene sulphonic acid.Type: GrantFiled: March 20, 2000Date of Patent: January 23, 2001Assignee: Solvay Interox LimitedInventors: Sarah J. Colgan, Neil J. Sanders, Colin F. McDonogh
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Patent number: 6159923Abstract: Disclosed is a nonaqueous liquid detergent composition comprising a bleach precursor, said composition having an average particle size of the bleach precursor of less than 600 micronsType: GrantFiled: December 22, 1998Date of Patent: December 12, 2000Assignee: The Procter & Gamble CompanyInventors: Jean-Pol Boutique, Axel Meyer, Steven Jozef Louis Coosemans, James Pyott Johnston, Jean Wevers, Iwein Jozef Maria Jaak Goderis
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Patent number: 6043209Abstract: There is provided an aqueous composition for cleaning fabrics and carpets and inhibiting the resoiling of fabric and carpets. The composition includes a water miscible organic solvent, a peroxygen compound, a surfactant, a polymeric or copolymeric soil resist, and a fluorinated hydrocarbon soil resist. The solvent is selected from isopropanol, propylene glycol methyl ether, dipropylene glycol methyl ether, or mixtures of two or more thereof. Compositions formed with these solvents and both soil resists are particularly stable and non-turbid.Type: GrantFiled: January 6, 1998Date of Patent: March 28, 2000Assignee: Playtex Products, Inc.Inventors: Robert P Micciche, Ann Marie Lynch, Uma Tripathi
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Patent number: 6028045Abstract: Stable, aqueous compositions having a pH of from 0 to 0.9 are disclosed, which comprise a persulfate salt, or mixtures of such salts, and a free radical scavenger, or mixtures thereof. Preferred compositions are emulsions of nonionic surfactants comprising the persulfate salt and a free radical scavenger.Type: GrantFiled: September 16, 1996Date of Patent: February 22, 2000Assignee: The Procter & Gamble CompanyInventors: Giulia Ottavia Bianchetti, Stefano Scialla, Sandro Campestrini, Fulvio DiFuria
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Patent number: 5985817Abstract: The inventive compositions are pourable aqueous bleach composition which contain abrasives, suitable for use in cleaning hard surfaces such as are found, for example, in lavatories and kitchens. The compositions of the invention show good shelf life, exhibit a high level of bleach stability and show good stain and soil removal, particularly from hard surfaces.Type: GrantFiled: February 20, 1998Date of Patent: November 16, 1999Assignee: Reckitt & Colman South Africa Ltd.Inventors: A. Thomas Weibel, Ann Marie Lynch, Rosita Gabriella Nunez, Helen B. Wang, Pranil Pooran Hagroo, Leonard February
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Patent number: 5962391Abstract: The present invention relates to a bleach or disinfecting aqueous cleaning composition which is useful for the removal of grease or tar without any mechanical action. In particular, the instant compositions are derived from three liquid phases which merge together at the tricritical point to form one continuum forming the aqueous cleaning composition, wherein the three phases incorporate at least a polar solvent, a non-polar solvent or weakly polar solvent and a water soluble or water low molecular weight water dispersible amphiphile and the composition contains a bleach and biostatic agent.Type: GrantFiled: August 4, 1997Date of Patent: October 5, 1999Assignee: Colgate-Palmolive Co.Inventor: Louis Oldenhove
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Patent number: 5888956Abstract: All purpose cleaning or microemulsion compositions more environmentally friendly, which is especially effective in the removal of a mixture of oil and kaolin soil, contains a negatively charged complex, a Lewis base, neutral polymer, and water.Type: GrantFiled: September 26, 1997Date of Patent: March 30, 1999Assignee: Colgate Palmolive CompanyInventors: Patrick Durbut, Anne-Marie Misselyn, Guy Broze
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Patent number: 5879409Abstract: Bleach-additives and bleaching compositions comprising glycine anhydride activators are provided. The activators have the general formulas of: ##STR1## wherein R.sub.1 and R.sub.2 can be the same or different and are a substituted or unsubstituted C.sub.1 -C.sub.9 alkyl or aryl residue; or ##STR2## where n is 0 to 50, R.sub.3 is a linear or branched alkyl, aryl, or alkaryl or arylalk with C.sub.1 -C.sub.25, --H, --OH, --OR.sub.5, --COOM, or SO.sub.3 M, where M is H or alkali metal or alkaline earth metal; R.sub.4 is a linear or branched alkylene, arylene, or alkylarylene or arylalkylene with C.sub.1 -C.sub.25 ; and, R.sub.5 is a linear or branched alkyl, aryl, or alkaryl or arylalk with C.sub.1 -C.sub.25. The compositions display low soil resistivity and are formulated to provide in-use pH values of from 7 to about 9.5. Additional ingredients may include detersive surfactants, emulsifiers, chelants, and nonsoap pH reducing ingredients. Both granular and liquid compositions are provided.Type: GrantFiled: February 23, 1996Date of Patent: March 9, 1999Assignee: The Procter & Gamble CompanyInventors: Kevin Lee Kott, Alan David Willey
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Patent number: 5853430Abstract: The present invention is directed to a method for predissolving a detergent composition having the steps of providing a hand-held container; and combining a detergent composition and a solvent in the container to form a concentrated detergent solution. The concentrated detergent solution preferably has a surface tension value of from about 10 to about 50 dyne/cm.Type: GrantFiled: September 3, 1997Date of Patent: December 29, 1998Assignee: The Procter & Gamble CompanyInventors: Kenji Shindo, Ayako Muramatsu, Susumu Murata, Nabil Yaqub Sakkab, Harry Leroy Coleman, Jr.
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Patent number: 5827810Abstract: The invention provides a phase stable, thickened aqueous abrasive cleanser and a method for preparing it, said cleanser comprising:a) an effective amount of a cross-linked polyacrylate;b) an effective amount of at least one bleach-stable surfactant;c) an effective amount of a low salt, high purity hypochlorite;d) an effective amount of a pH-adjusting agent;e) an effective amount of abrasive; andf) the remainder as water.Type: GrantFiled: June 24, 1996Date of Patent: October 27, 1998Assignee: The Clorox CompanyInventors: Kevin J. Brodbeck, Aram Garabedian, Jr., Brian P. Argo, Amy M. Penticoff, Clement K. Choy
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Patent number: 5821214Abstract: A hard surface scouring cleaner composition comprises, by weight, (a) from 0.5 to 10% of soft abrasive particles, (b) from 0.5 to 2.5% of a chlorine-containing bleach, (c) from 0.2 to 3.0% of a thickening system comprising from 0.2 to 3.0%, based on the weight of the composition, of a cross-linked polyacrylate resin having a molecular weight in the range of 1,000,000 to 10,000,000 and from 0 to 2.5% of a synthetic smectite clay, (d) from 0.25 to 3.0% of a bleach-stable surfactant system comprising mainly anionic surfactants, (e) from 0 to 3.0% of an electrolyte selected from the group comprising sodium or potassium carbonates or silicates, and (f) sufficient amount of sodium or potassium hydroxide to provide a pH in the range of 11.5 to 13.5. These compositions have an apparent viscosity as measured on a Brookfield RVTDV-II with a #6 spindle at 50 rpm of from 0.5 to 7 Kcps and at 1 rpm of from 10 to 150 Kcps. The abrasive particles are preferably organic particles such as polyethylene or polypropylene.Type: GrantFiled: March 10, 1997Date of Patent: October 13, 1998Assignee: Reckitt & Colman Inc.Inventor: A. Thomas Weibel
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Patent number: 5814592Abstract: Disclosed are non-aqueous, particulate-containing liquid laundry detergent compositions which are in the form of a suspension of particulate material, preferably including peroxygen bleaching agent and an organic detergent builder, dispersed in a liquid phase structured with a surfactant and elasticized with finely divided particulate material such as silica or titanium dioxide. Such compositions provide especially desirable cleaning and bleaching of fabrics laundered therewith and also exhibit especially desirable pourability and chemical and phase stability.Type: GrantFiled: June 24, 1997Date of Patent: September 29, 1998Assignee: The Procter & Gamble CompanyInventors: Jay I. Kahn, Mark A. Smerznak, Axel Meyer, Angela L. Garland, Vincent J. Becks, Jean-Pol Boutique
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Patent number: 5801138Abstract: A liquid concentrate peroxide composition contains a combination of sequestrants which together are capable of universal sequestration of transition metal ions which would otherwise cause decomposition of the peroxide. The combination preferably includes a sequestrant capable of sequestering cobalt and a sequestrant capable of sequestering metal ions other than cobalt. A particularly preferred combination includes a poly(methylene phosphonic acid) and nitrogen-donor type sequestrants such as dipyridylamine or triazacyclononane.Type: GrantFiled: April 21, 1997Date of Patent: September 1, 1998Assignee: Warwick International Group LimitedInventors: Vincent Brian Croud, Stephen James Tompsett, Susan Jane Scarborough
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Patent number: 5752980Abstract: The present invention relates to a process for providing a bleached look in the color density of the surface of dyed fabric, especially cellulosic fabric such as denim, comprising use of a phenol oxidizing enzyme such as a peroxidase or a laccase, a hydrogen peroxide source and an enhancing agent represented by formula (I).Type: GrantFiled: February 4, 1997Date of Patent: May 19, 1998Assignee: Novo Nordisk A/SInventors: Anders Hjelholt Pedersen, Jesper Vallentin Kierulff
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Patent number: 5736497Abstract: A phosphorus-free and boron-free cleaning composition containing a phosphorus-free aqueous solution containing an active ingredient (e.g., hydrogen peroxide or a compound capable of releasing hydrogen peroxide under the conditions prevailing in use of the composition), at least one organic stannate which is a tetravalent tin complexed with dicarboxylic acid, hydroxy carboxylic acid, or tricarboxylic acid, and optionally at least one organic stabilizer which is a benzoate, a sulfonic acid or salt, or mixtures thereof. The active ingredient is hydrogen peroxide or a percarbonate. The aqueous solution has an alkaline pH.Type: GrantFiled: March 29, 1996Date of Patent: April 7, 1998Assignee: Degussa CorporationInventor: Norbert N. Steiner
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Patent number: 5728665Abstract: The present invention concerns a thickened viscoelastic cleaning formulation comprising, in aqueous solution: (a) an active cleaning compound; and (b) a viscoelastic thickening system comprising a tetradecyldialkylamine oxide and a hydrophobic organic counterion; wherein the formulation has a viscosity of at least 500 cP at 20.degree. C. The present invention is characterized as a means for reducing the characteristic "bleach odor" found in hypochlorite cleaning compositions of the prior art, particularly those which are volatilized upon dispensing. The compositions of the present invention may further be formulated to have utility as a hard surface cleaner, or as a drain opener.Type: GrantFiled: September 13, 1995Date of Patent: March 17, 1998Assignee: The Clorox CompanyInventors: Clement Kin-Man Choy, Brian Patrick Argo
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Patent number: 5688756Abstract: The invention provides a gelled hypochlorite-based cleaner in which stability is achieved by reducing or minimizing the ionic strength of the cleaner, comprising:(a) a cross-linked polyacrylate polymer;(b) an amount of an bleach-stable surfactant sufficient, in combination with said polyacrylate polymer, to result in a gel;(c) an effective amount of a source of hypochlorite, which has an ionic strength below about 5M; and(d) the balance, water.Type: GrantFiled: January 16, 1996Date of Patent: November 18, 1997Assignee: The Clorox CompanyInventors: Aram Garabedian, Jr., Clement K. Choy
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Patent number: 5536437Abstract: Physically stable, non-scratching hard surface cleaning compositions having shear thickening properties are provided and include an alkali metal silicate, an inorganic or organic compound containing an alkali metal cation or an organic compound containing at least one hydroxyl group and water.Type: GrantFiled: February 24, 1995Date of Patent: July 16, 1996Assignee: Colgate-Palmolive Co.Inventor: Andrea Motyka