Spray-dried Product, Or Process Of Preparing Patents (Class 510/452)
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Patent number: 12187982Abstract: A surfactant composition contains: a C12 compound of the following formula (1): where A is an alkylene group having 1 to 3 carbon atoms, x is 1 to 50, and m+n is 9; a C13 compound of the formula (1), where A is an alkylene group having 1 to 3 carbon atoms, x is 1 to 50, and m+n is 10; a C14 compound of the formula (1), where A is an alkylene group having 1 to 3 carbon atoms, x is 1 to 50, and m+n is 11; and a Y compound of the formula (1), where A is an alkylene group having 1 to 3 carbon atoms, x is 1 to 50, and m+n is at least one of 8 or less and 12 or more.Type: GrantFiled: September 23, 2020Date of Patent: January 7, 2025Assignee: NIPPON SHOKUBAI CO., LTD.Inventors: Atsushi Okada, Toru Inaoka
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Patent number: 11058091Abstract: Provided is a carrier material and its use in animal litter, where the carrier material exhibits reduced dust formation during handling. The carrier material comprises: bentonite clay; and a dust suppression agent coated on the bentonite clay, wherein the dust suppression agent is one or more alkoxylate materials of formula (I): R—O-(AO)2—H, wherein R is H, aryl (e.g., phenyl), or linear or branched C4-C24 alkyl; AO at each occurrence is independently ethyleneoxy, propyleneoxy, butyleneoxy, or random or block mixtures thereof; and z represents average number of moles of AO and ranges from 1 to 80.Type: GrantFiled: January 23, 2017Date of Patent: July 13, 2021Assignee: Rohm and Haas CompanyInventors: John Hayes, Theodore Tysak
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Patent number: 9758715Abstract: The present invention is directed to highly-concentrated compositions of salts of alkyl polyalkoxy sulphates, whereby in total at least ? of all alkoxy unit of the alkyl polyalkoxy sulphates are propoxy units.Type: GrantFiled: March 23, 2012Date of Patent: September 12, 2017Assignee: Sasol Germany GmbHInventors: Britta Jakobs-Sauter, Uwe Kaltwasser
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Patent number: 9121001Abstract: The present invention is to a laundry detergent powder comprising: (i) from 20 to 80 wt % of a first particle comprising less than 55 wt % sulphate, anionic detersive surfactant, and having a bulk density of from 300 g/l to 1100 g/l: and (ii) from 20 to 80 wt % of a second particle comprising at least 55 wt % sulphate and, having a bulk density of from 350 g/l to 600 g/l, and a process to making the laundry detergent powder.Type: GrantFiled: May 30, 2013Date of Patent: September 1, 2015Assignee: The Procter & Gamble CompanyInventors: Hossam Hassan Tantawy, Andres Arturo Martinez-Guzman, Nigel Patrick Somerville-Roberts, Alan Thomas Brooker, David James Parmley, Victor Stuart Reid, Colin Ure, Carly Pickering
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Patent number: 9108906Abstract: A process for the production of olefin sulfonates is presented. The process comprising generating olefins from normal alkanes through a dehydrogenation unit to produce a mixture of alkanes and alkenes. The mixture is sulfonated to react the olefins and generate olefin sulfonates. The olefin sulfonates are separated from the normal alkanes to produce a product stream, with the normal alkanes recycled to the dehydrogenation unit.Type: GrantFiled: March 22, 2012Date of Patent: August 18, 2015Assignee: UOP LLCInventors: Mark G. Riley, Stephen W. Sohn
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Patent number: 8940678Abstract: The present invention relates to a solid with sufficiently low hygroscopicity which comprises glutamic acid-N,N-diacetic acid (GLDA) or derivatives and/or salts thereof, and a method for its production.Type: GrantFiled: December 27, 2010Date of Patent: January 27, 2015Assignee: BASF SEInventor: Andreas Baranyai
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Patent number: 8906842Abstract: The present invention is a spray-dried powder comprising: (i) from 20 to 80 wt % of a first spray-dried particle comprising less than 5 wt % sulphate, anionic detersive surfactant and having a bulk density of from 300 g/l to 450 g/l: and (ii) from 20 to 80 wt % of a second spray-dried particle comprising at least 45 wt % sulphate, 0 wt % to 15 wt % anionic detersive surfactant, and having a bulk density of from 350 g/l to 700 g/l.Type: GrantFiled: May 21, 2013Date of Patent: December 9, 2014Assignee: The Procter & Gamble CompanyInventors: Hossam Hassan Tantawy, Andres Arturo Martinez-Guzman, Andre-Brian Greenaway Patton, Adam Porter
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Patent number: 8901065Abstract: The present invention is to a process for preparing a spray-dried detergent powder comprising: (a) forming an aqueous detergent slurry in a mixer; (b) transferring the aqueous detergent slurry from the mixer to a pipe leading through a first pump and then through a second pump to a spray nozzle; (c) contacting a liquid detergent ingredient having a viscosity of less than 2 Pa·s to the aqueous detergent slurry in the pipe after the first pump and before the second pump to form a mixture; (d) spraying the mixture through the spray nozzle into a spray-drying tower; and (e) spray-drying the mixture to form a spray-dried powder, wherein a nitrogen-rich gas is introduced between the first and second pumps.Type: GrantFiled: February 20, 2013Date of Patent: December 2, 2014Assignee: The Procter & Gamble CompanyInventors: Hossam Hassan Tantawy, Larry Savio Cardozo, Andre-Brian Greenaway Patton
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Publication number: 20140271744Abstract: Provided is a process for forming a dissolvable fiber, the process including (a) producing an extrudate from a twin screw extruder; and (b) forming the extrudate into the dissolvable fiber. The dissolvable fiber includes (i) from about 10% to about 60% of one or more anionic surfactants; (ii) from about 10% to about 50% of one or more water soluble polymers; (iii) from about 1% to about 30% of one or more plasticizers; and (iv) from about 0.01% to about 30% water. The one or more anionic surfactants have a Krafft point of less than about 30° C. The dissolvable fiber has an average diameter of from about 20 microns to about 1,000 microns.Type: ApplicationFiled: March 14, 2014Publication date: September 18, 2014Applicant: The Procter & Gamble CompanyInventors: Robert Wayne GLENN, JR., Todd Ryan THOMPSON, Ungyeong JUNG, Chul B. PARK, Changwei ZHU, Raymond Kar Man CHU
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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: 8748366Abstract: A process for the preparation of a spray-dried powder containing at least one glycine-N,N-diacetic acid compound of a formula MOOC—CHR—N(CH2COOM)2, where R is a C1-12-alkyl and M is an alkali metal, the process including: preparing an aqueous solution containing the glycine-N,N-diacetic acid compound; concurrently passing the aqueous solution and air into a spray-drying apparatus; atomizing the aqueous solution by feeding the aqueous solution onto a rotating disk or by compressing the aqueous solution with a pump to a pressure of ?20 bar absolute, to obtain fine liquid droplets; and drying the droplets, to obtain the spray-dried powder, where a temperature gradient between the aqueous solution and the air is in a range from 70 to 350° C., and a content of the glycine-N,N-diacetic acid compound in the aqueous solution is ?84% by weight, based on a total weight of the dry mass.Type: GrantFiled: May 19, 2010Date of Patent: June 10, 2014Assignee: BASF SEInventors: Frank Mrzena, Michael Schoenherr, Robert Heinz, Thomas Heidenfelder
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Patent number: 8486884Abstract: The present invention relates to a method for producing granular or pulverulent detergent compositions, comprising the production of a detergent base powder by drying an aqueous detergent slurry, which comprises adding to the slurry a copolymer which is obtained by free-radical copolymerization of (A) from 20 to 80% by weight of at least one monomer selected from the group consisting of monoethylenically unsaturated monocarboxylic acids, dicarboxylic acids and dicarboxylic anhydrides, and (B) from 20 to 80% by weight of at least one monomer selected from the group consisting of aliphatic or aromatic monoolefins.Type: GrantFiled: September 29, 2006Date of Patent: July 16, 2013Assignee: BASF AktiengesellschaftInventors: Tanja Seebeck, Helmut Guembel
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Patent number: 8455422Abstract: A particle comprising an aminocarboxylic builder obtainable by a process comprising the steps of: a) providing a solution comprising the aminocarboxylic builder; b) optionally adding an acidifying agent; c) adding sulphate or citrate to the solution resulting from of step b) to form a mixture; and d) converting the mixture resulting from step c) into particles.Type: GrantFiled: April 18, 2011Date of Patent: June 4, 2013Assignee: The Procter & Gamble CompanyInventors: Nigel Patrick Somerville Roberts, Chris Hughes, Robert Ian Dyson
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Patent number: 8435936Abstract: A process for preparing a spray-dried detergent powder having: (i) detersive surfactant; and (ii) other detergent ingredients; wherein the process includes the steps of: (a) forming an aqueous detergent slurry in a mixer; (b) transferring the aqueous detergent slurry from the mixer to a pipe leading through a first pump and then through a second pump to a spray nozzle; (c) contacting a detergent ingredient to the aqueous detergent slurry in the pipe after the first pump and before the second pump to form a mixture; (d) spraying the mixture through the spray nozzle into a spray-drying tower; and (e) spray-drying the mixture to form a spray-dried powder, wherein the pressure drop between (i) the pressure in the pipe at the outlet of the first pump to (ii) the pressure in the pipe at the inlet to the second pump is less than 8×105 Pa.Type: GrantFiled: December 15, 2010Date of Patent: May 7, 2013Assignee: The Procter & Gamble CompanyInventors: Larry Savio Cardozo, Hossam Hassan Tantawy, James Robert Lickiss, Nigel Patrick Somerville Roberts
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Patent number: 8377862Abstract: A spray-drying process to prepare a spray-dried powder having: (a) anionic detersive surfactant; (b) from 0 wt % to 10 wt % zeolite builder; (c) from 0 wt % to 10 wt % phosphate builder; (d) optionally from 0 wt % to 10 wt % silicate salt; (e) optionally carbonate salt; (f) optionally polymeric material; and (g) optionally from 0 wt % to 10 wt % water, wherein, the process has the steps of: (i) spraying an aqueous slurry comprising: from (a) anionic detersive surfactant; (b) from 0 wt % to 20 wt % zeolite builder; (c) from 0 wt % to 20 wt % phosphate builder; (d) optionally from 0 wt % to 20 wt % silicate salt; (e) optionally carbonate salt; (f) optionally polymeric material; and (g) water, into a spray-drying zone, wherein the spray-drying zone is under negative pressure and wherein the air inlet air temperature into the spray-drying zone is greater than 150° C.; and (ii) drying the aqueous slurry to form a spray-dried powder.Type: GrantFiled: March 12, 2010Date of Patent: February 19, 2013Assignee: The Procter & Gamble CompanyInventors: Rohan Govind Murkunde, Barry Rowland
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Patent number: 8334250Abstract: A process of making a granular detergent composition comprising amphiphilic graft copolymer. The granular detergent composition may have an L-3b value of at least about 73.5.Type: GrantFiled: December 18, 2009Date of Patent: December 18, 2012Assignee: The Procter & Gamble CompanyInventors: Rohan Govind Murkunde, Sarah Jane Melville, Malcolm McClaren Dodd, Stefan James Egan, Christopher Charles Driffield, Andrew Brian Greenaway Patton
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Patent number: 8293695Abstract: The present invention relates to a composition comprising at one photocatalyst and at least one azo dyestuff and/or at least one triphenylmethane dyestuff, which produces in the CIElab color coordinate system a relative hue angle of 220-320°, to a detergent composition, a fabric softener composition as well as to a shading.Type: GrantFiled: July 28, 2004Date of Patent: October 23, 2012Assignee: BASF SEInventor: Alfred Höhener
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Patent number: 8080509Abstract: The present invention relates to a solid laundry detergent composition having a bulk density of from 100 g/l to 500 g/l, wherein the composition comprises: (a) from 1 wt % to 70 wt % anionic detersive surfactant; (b) from 0 wt % to 10 wt % zeolite builder; and (c) from 0 wt % to 10 wt % phosphate builder; wherein the composition comprises: (I) from 61 wt % to 90 wt % low-density particulate component, wherein the low-density particulate component has a bulk density of from 100 g/l to 426 g/l, and wherein the low-density particulate component comprises inorganic material and organic material; and (II) from 10 wt % to 39 wt % high-density particulate component, wherein the high-density particulate component has a bulk density of greater than 426 g/l; wherein the ratio of (i) the weight ratio of the inorganic material to the organic material comprised in the low-density particulate component (I) to (ii) the weight ratio of the inorganic material to the organic material comprised in the solid laundry detergent coType: GrantFiled: October 16, 2007Date of Patent: December 20, 2011Assignee: The Procter & Gamble CompanyInventors: Euan John Magennis, Alan Thomas Brooker, Andrew Philip Davie, Doris Appleby, Maria Papadaki, Sylvain Andre Sorin, Paul Andrzej Luksza, Nigel Patrick Somerville Roberts
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Patent number: 8080512Abstract: Disclosed is a process for preparing a granular detergent composition or component having a bulk density of at least 500 g/l. The process disclosed herein comprises the steps of (i) providing an aqueous solution of a surfactant (ii) adding one or more water-soluble salts to the aqueous surfactant solution to precipitate the surfactant, (iii) separating the resulting precipitate, and (iv) drying the product.Type: GrantFiled: December 23, 2004Date of Patent: December 20, 2011Assignee: J P Laboratories Pvt. Ltd.Inventor: Jagdish Pawar
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Patent number: 8026204Abstract: The present invention relates to a method for producing an anionic surfactant granule, which includes granulating an anionic surfactant powder in a granulator having an agitating blade, while adding water, at a temperature of the granule being higher by 0.5 to 30° C. than a boiling point of water under a pressure of the inside of the granulator.Type: GrantFiled: July 9, 2008Date of Patent: September 27, 2011Assignee: Kao CorporationInventors: Toku Fujioka, Tatsuki Matsumoto, Hisashi Goda
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Patent number: 7947642Abstract: The present invention relates to a spray-drying process for the preparation of a spray-dried detergent powder having a bulk density of 426 g/l or less, wherein the spray-dried detergent powder comprises an anionic detersive surfactant and from 0 wt % to 10 wt % zeolite builder and from 0 wt % to 10 wt % phosphate builder, and wherein the process comprises the step of: (a) preparing an aqueous slurry suitable for spray-drying comprising from 30 wt % to 60 wt % water and from 40 wt % to 70 wt % non-aqueous material, wherein the non-aqueous material comprises an inorganic component and an organic component, wherein the weight ratio of the inorganic component to organic component is in the range of from 0.3:1 to 5:1; and (b) spraying the slurry into a spray-drying tower, wherein the temperature of the slurry as it enters the spray-drying tower is in the range of from 65° C. to 140° C., and wherein the outlet air temperature of the spray-drying tower is in the range of from 70° C. to 120° C.Type: GrantFiled: October 16, 2007Date of Patent: May 24, 2011Assignee: The Procter & Gamble CompanyInventors: Nigel Patrick Somerville Roberts, Paul Andrzej Luksza, Gordon Ridley, Callum Niall Fergus Finlay, Alan Thomas Brooker
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Patent number: 7928054Abstract: A detergent additive extrudate containing from about 0.5% to about 20% an alkyl benzene sulphonate, from about 0.5% to about 15% a water soluble carboxylate-containing polymer, from about 20% to about 80% water soluble inorganic salt and a moisture level of 2% to 10%; process for making the detergent additive extrudate and granular laundry detergent containing the same. The detergent additive extrudates have an improved physical stability, dissolution property and ease of process property.Type: GrantFiled: May 15, 2008Date of Patent: April 19, 2011Assignee: The Procter & Gamble CompanyInventor: Paul Anthony Gould
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Patent number: 7910534Abstract: The present invention relates to a solid laundry detergent composition in particulate form comprising a plurality of particulate components, the composition comprises: (i) an alkyl benzene sulphonate; (ii) a hydratable material; (iii) from 0% to less than 5%, by weight of the composition, of zeolite builder; (iv) from 0% to less than 5%, by weight of the composition, of phosphate builder; and (v) optionally, from 0% to less than 5%, by weight of the composition, of silicate salt; wherein at least 30%, by weight of the composition, of the particulate components present in the composition comprise at least 15%, by weight of the particulate component, of the hydratable material, and wherein any particulate component comprising at least 5%, by weight of the particulate component, of alkyl benzene sulphonate also comprises at least 15%, by weight of the particulate component, of the hydratable material.Type: GrantFiled: August 16, 2006Date of Patent: March 22, 2011Assignee: The Procter & Gamble CompanyInventors: John Peter Eric Muller, Lourdes Marina Ramirez Hernandez
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Patent number: 7867966Abstract: A mixed powder or mixed granule comprising at least 80% by weight of a mixture of (a) from 5 to 95% by weight of at least one glutamic acid-N,N-diacetic acid derivative of the general formula (I) MOOC—(CH2)2C(COOM)-N(CH2COOM)2??(I) where M is hydrogen, ammonium, alkali metal, (b) from 5 to 95% by weight of at least one polyethylene glycol or of at least one nonionic surfactant or of a mixture thereof or of a polymer selected from the group consisting of polyvinyl alcohols, polyvinylpyrrolidones (PVP), polyalkylene glycols and derivatives thereof, processes for producing these mixed powders or mixed granules, the use of these mixed powders or mixed granules, and a solid laundry detergent and a solid dishwasher detergent comprising the inventive mixed powder or mixed granule are described.Type: GrantFiled: December 21, 2006Date of Patent: January 11, 2011Assignee: BASF AktiengesellschaftInventors: Tanja Seebeck, Lars Kissau
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Patent number: 7842657Abstract: The present invention relates to a process for preparing a spray-dried powder comprising (i) anionic detersive surfactant; (ii) from 0 wt % to 10 wt % zeolite builder; (iii) from 0 wt % to 10 wt % phosphate builder; and (iv) optionally from 0 wt % to 15 wt % silicate salt; wherein the process comprises the steps of: (a) forming an alkaline slurry in a mixer, the slurry having a viscosity of from X to Y s?1 at a temperature of 70° C.Type: GrantFiled: June 8, 2009Date of Patent: November 30, 2010Assignee: The Procter & Gamble CompanyInventors: Hossam Hassan Tantawy, Nigel Patrick Somerville Roberts, Simon Howe, Stuart Andrew Caldwell
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Patent number: 7820613Abstract: A powder soap composition that contains a powder soap made of a fatty acid alkali metal salt. The fatty acid alkali metal salt of the composition contains an alkali metal salt of a saturated fatty acid having 12 to 16 carbon atoms as a main component. The mean particle size of the powder soap is 50 to 500 ?m, and the water content of the composition is 3 wt % or less.Type: GrantFiled: August 10, 2005Date of Patent: October 26, 2010Assignee: NOF CorporationInventors: Masaaki Sugino, Kuniaki Tsuruoka
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Patent number: 7811980Abstract: The present invention relates to a process for preparing a spray-dried powder comprising (i) anionic detersive surfactant; (ii) from 0 wt % to 10 wt % zeolite builder; (iii) from 0 wt % to 10 wt % phosphate builder; and (iv) optionally from 0 wt % to 15 wt % silicate salt; wherein the process comprises the steps of: (a) forming an alkaline slurry in a mixer, the slurry comprising: (v) from 0 wt % to 15 wt % anionic detersive surfactant; (vi) from 0 wt % to 35 wt % water; and (b) transferring the alkaline slurry from the mixer through at least one pump to a spray pressure nozzle; (c) contacting an acid anionic detersive surfactant precursor to the alkaline slurry after the mixer and before the spray pressure nozzle to form a mixture; (d) spraying the mixture through the spray pressure nozzle into a spray-drying tower; (e) spray-drying the mixture to form a spray-dried powder; and (f) optionally, contacting an alkalinity source with the alkaline slurry and/or the acid anionic detersive surfactant precursor, andType: GrantFiled: June 9, 2009Date of Patent: October 12, 2010Assignee: The Procter & Gamble CompanyInventors: Hossam Hassan Tantawy, Nigel Patrick Somerville Roberts, Simon Howe, Stuart Andrew Caldwell
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Patent number: 7704940Abstract: A granulate for use in a particulate cleaning product, the granulate consisting of granules which comprise: (a) at least 30% by weight of granulation auxiliary selected from water-soluble non-acid organic crystalline solids; and (b) at least 0.1% by weight of functional cleaning material other than an enzyme or an inorganic compound; and (c) optionally, one or more other ingredients. The granulate may instead comprise: (a) at least 20% by weight of granulation auxiliary selected from non-acid water-soluble organic crystalline solids; and (b) at least 0.1% by weight of temperature sensitive functional cleaning material other than an enzyme or an inorganic compound; and (c) optionally, one or more other ingredients.Type: GrantFiled: March 7, 2005Date of Patent: April 27, 2010Assignee: The Sun Products CorporationInventors: Renee Boerefijn, Reinhard Kohlus, Vidyadhar Sudhir Ranade
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Patent number: 7696144Abstract: The present invention relates to a particulate textile treatment composition comprising silicone, clay and anionic surfactant, wherein the composition comprises at least three particulate components: wherein the first particulate component comprises silicone, clay and a first anionic surfactant; wherein the second particulate component comprises a second anionic surfactant; and wherein the third particulate component comprises a third anionic surfactant; wherein the concentration of the second anionic surfactant in the second particulate component is greater than the concentration of the third anionic surfactant in the third particulate component.Type: GrantFiled: August 7, 2006Date of Patent: April 13, 2010Assignee: The Procter & Gamble Co.Inventor: Malcolm McClaren Dodd
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Patent number: 7605116Abstract: A solid laundry detergent composition comprising: (a) from 0.1 wt % to 10 wt % of an alkoxylated anionic detersive surfactant; (b) from 1 wt % to 25 wt % of an non-alkoxylated anionic detersive surfactant; (c) from 0 wt % to 4 wt % zeolite builder; (d) from 0 wt % to 4 wt % phosphate builder; and (e) from 0 wt % to 10 wt % silicate salt.Type: GrantFiled: August 11, 2005Date of Patent: October 20, 2009Assignee: The Procter & Gamble CompanyInventors: Alan Thomas Brooker, Kevin Lee Kott, Nicola Ethel Davidson, Lindsey Heathcote, John Peter Eric Muller, Mark Allen Smerznak, Nigel Patrick Sommerville-Roberts, Kenji Shindo, Emmanuel Pantelis Fakoukakis, Jason Christopher King
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Patent number: 7538079Abstract: The present invention relates to a process for the manufacture of a spray dried powder comprising: (a) forming a warm, stirred aqueous slurry comprising: inorganic salts, at least one binding agent and 0.001 to 20% by weight of capsules based on the weight of spray dried powder, said capsules containing benefit agents including at least perfume, and (b) spray drying the resultant slurry to form a spray dried powder, said capsules being such that: 1) more than 40% of the benefit agents remain encapsulated 60 minutes after dispersion thereof at 70° C. in the slurry as defined in the “slurry survival test” in a sealed vessel without agitation; and 2) more than 30% of the benefit agents added for 15 minutes to an ambient slurry as defined in the “spray dry test” survive spray drying through a laboratory scale spray drier.Type: GrantFiled: September 22, 2006Date of Patent: May 26, 2009Assignee: Takasago International CorporationInventors: Jonathan Warr, Stuart Fraser, Emmanuel Aussant
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Patent number: 7485614Abstract: A process for forming a low density detergent granule has the steps of providing from about 0.1% to about 6% of a hydrotrope, providing from about 22% to about 50% crutcher mix moisture, providing from about 0.2% to about 8% of a water-soluble polymer with a molecular weight of at least about 10,000 g/mol, providing from about 2% to about 20% sodium silicate having a SiO2:Na2O ratio of at least about 2:1, and the balance of adjunct crutcher ingredients, mixing the hydrotrope, crutcher mix moisture, polymer, silicate, and adjunct crutcher ingredients in a crutcher to form a slurry, injecting a gas into the slurry at a pressure of from about 6,000 kPa to about 13,000 kPa, and at a rate of from about 0.01% to about 0.25% and forming the slurry into a detergent granule. The slurry is substantially free of zeolite builder and phosphate builder and the crutcher temperature is maintained at from about 40° C. to about 95° C.Type: GrantFiled: September 22, 2005Date of Patent: February 3, 2009Assignee: The Procter & Gamble CompanyInventors: Jeffrey Edward Boucher, Rui Shen
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Patent number: 7465701Abstract: A detergent auxiliary composition comprising from 0.001 wt % to 99 wt % cleaning polymer having a hydrophilic backbone and at least one hydrophobic pendant group, and an adjunct ingredient in which the hydrophilic backbone constitutes less than 50%, preferably less than 45% by weight of the polymer. The detergent auxiliary composition may be, for example a spray-dried particle or an agglomerate. Also described are detergent compositions comprising the detergent auxiliary composition.Type: GrantFiled: May 31, 2006Date of Patent: December 16, 2008Assignee: The Procter & Gamble CompanyInventors: Sanjeev Sharma, Carlos Arca Quinones, Mayumi Daiki, Arturo Luis Casado Dominguez, Dieter Boeckh, Lidcay Herrera Taboada
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Patent number: 7459422Abstract: The present invention relates to a substrate composition comprising from about 20 wt % to about 60 wt % of a water-soluble and/or water-dispersible polymer and from about 20 wt % to about 80 wt % of a water-soluble inorganic salt. The substrate composition of the present invention has a median particle size of from about 1 micrometer to about 100 micrometers and comprises less than about 10 wt % of water-insoluble material.Type: GrantFiled: August 11, 2005Date of Patent: December 2, 2008Assignee: The Procter & Gamble CompanyInventors: Paul R Mort, III, Stewart Curtis Doty, Girish Jagannath
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Patent number: 7446085Abstract: Detergent particles obtained by a process comprising the step of dryneutralizing base particles comprising a water-soluble solid alkali inorganic substance (A) with a liquid acid precursor (B) of a non-soap anionic surfactant, wherein the base particles are obtained by a spray-drying method, and wherein the base particles contain the component (A) in an amount of equal to or greater than 4 times the amount equivalent for neutralizing the component (B) and have an average particle size of from 150 to 400 ?m; base particles having an average particle size of from 150 to 400 ?m, comprising 20 to 80% by weight of a water-soluble solid alkali inorganic substance; a process for preparing detergent particles comprising the steps of (a) preparing a slurry comprising a water-soluble solid alkali inorganic substance (A) in an amount equal to or greater than 4 times the amount equivalent for neutralizing a liquid acid precursor (B) of a non-soap anionic surfactant to be added in step (c); (b) spray-drying the slurry obtType: GrantFiled: September 2, 2003Date of Patent: November 4, 2008Assignee: Kao CorporationInventors: Yoshinobu Imaizumi, Hiroyuki Yamashita, Teruo Kubota
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Publication number: 20080260786Abstract: Method for preparing an active-containing starch matrix and the free flowing, dry powder that results from such a process. The active ingredients can be released (deposited) onto a surface by normal triggering mechanisms, which include the action of a liquid or by friction or rubbing. The fixative systems described herein provide the ability to control high load levels and protection of the active while still being able to delivery this to a substrate when triggered. Additionally, ingredients incompatible and reactive with each other can be blended together as sold/used as a one piece system and no reactions will occur until the matrix is broken or triggered.Type: ApplicationFiled: April 30, 2008Publication date: October 23, 2008Inventor: Daniel B. Solarek
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Publication number: 20080045435Abstract: The present invention relates to a solid laundry detergent composition in particulate form, comprising: (a) anionic detersive surfactant; (b) a calcium-augmented technology; (c) from 0% to less than 5%, by weight of the composition, of zeolite builder; (d) from 0% to less than 5%, by weight of the composition, of phosphate builder and (e) optionally, from 0% to less than 5%, by weight of the composition, of silicate salt.Type: ApplicationFiled: August 15, 2006Publication date: February 21, 2008Inventors: Nigel Patrick Somerville Roberts, John Peter Eric Muller, Lourdes Marina Ramirez Hernadez, Neil Joseph Lant, Doris Appleby, Malcolm McClaren Dodd, Arif Alan Khoudary, Brenda Frances Bennie, Victor Stuart Reid, Simon John Greener
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Patent number: 7098177Abstract: A process for preparing detergent particles containing step (I): mixing a base particle for supporting a surfactant ((a) component), and a surfactant composition ((b) component), under mixing conditions wherein the (a) component does not substantially undergo breakdown, to give a mixture; wherein the base particle is obtained by spray-drying an aqueous slurry, wherein the mixing operation is carried out by using a mixer containing agitation impellers, and where the mixer further contains disintegration impellers, the mixing operation step (I) is carried out without substantially rotating the disintegration impellers; and step (II): mixing the mixture obtained in step (I) with 5 to 100 parts by weight of fine powder, while substantially maintaining the shape of the (a) component containing (b) component, to give detergent particles, having a degree of particle growth of 1.3 or less, and a bulk density of 500 g/L or more.Type: GrantFiled: October 14, 1999Date of Patent: August 29, 2006Assignee: Kao CorporationInventors: Teruo Kubota, Hitoshi Takaya, Hiroyuki Yamashita
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Patent number: 7067469Abstract: A solid-shaped detergent comprising particles for detergent, wherein the particles have a dissolution rate of 90% or more, under conditions where the particles are supplied in water at 5° C.; stirred for 60 seconds under the stirring conditions that 1 g of the particles are supplied to a 1-L beaker having an inner diameter of 105 mm which is charged with 1 L of hard water having 71.2 mg CaCO3/L, wherein a molar ratio of Ca/Mg is 7/3, and stirred with a stirring bar of 35 mm in length and 8 mm in diameter at a rotational speed of 800 rpm; and filtered with a standard sieve having a sieve-opening of 74 ?m as defined by JIS Z 8801, wherein the dissolution rate of the particles is calculated by the Equation (1): Dissolution Rate (%)=[1?(T/S)]×100,??(1) wherein S is a weight (g) of the particles supplied; and T is a dry weight (g) of insoluble remnants of the particles remaining on the sieve when an aqueous solution prepared under the above stirring conditions is filtered with the sieve.Type: GrantFiled: September 15, 2003Date of Patent: June 27, 2006Assignee: Kao CorporationInventors: Yuhki Yanagisawa, Nobuyoshi Yamaguchi, Shu Yamaguchi, Hitoshi Takaya, Hiroyuki Yamashita
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Patent number: 7064101Abstract: The present invention relates to a stable astaxanthin-containing powdery composition which is obtained by drying a suspension containing a ground Haematococcus alga containing astaxanthin, a surfactant, an antioxidant, an excipient and water and to a process for preparing the same. According to the present invention, there can be provided an astaxanthin-containing powdery composition wherein astaxanthin present in Haematococcus alga has been efficiently stabilized to improve its storage stability for a long term and which is excellent in flowability as a powder, easy to handle and can be easily subjected to solvent extraction without degrading the astaxanthin.Type: GrantFiled: March 22, 2002Date of Patent: June 20, 2006Assignee: Fuji Chemical Industry Co., Ltd.Inventors: Nobukazu Tanaka, Tadashi Fukami, Terumasa Hosokawa, Takeshi Shishido
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Patent number: 7008915Abstract: Process for reducing the density of solid detergent ingredients by forming said ingredients into hollow-core particles. The density of ingredients such as sodium citrate, sodium carbonate and/or sodium silicate, when formed into such hollow-core particles, allows them to be stably incorporated into non-aqueous liquid laundry detergents.Type: GrantFiled: July 17, 2002Date of Patent: March 7, 2006Assignee: The Procter & Gamble Co.Inventors: Yousef Georges Aouad, Christopher John Lienhart, Diane Parry
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Patent number: 6989361Abstract: A quaternary ammonium material of the formula: wherein each R is independently selected from a C5-35 alkyl or alkenyl group, R1 represents a C1-4 alkyl, C2-4 alkenyl or a C1-4 hydroxyalkyl group, T is n is 0 or a number selected from 1 to 4, m is 1, 2 or 3 and denotes the number of moieties to which it relates that pend directly from the N atom, and X? is an anionic group, such as halides or alkyl sulphates, has a mean particle size of from 100 to 1200 ?m. The material is provided in a solid fabric conditioning composition at a level of from 1 to 45 wt % in combination with a carrier material.Type: GrantFiled: March 28, 2003Date of Patent: January 24, 2006Assignee: Unilever Home & Personal Care USA Division of Conopco, Inc.Inventors: Denis James Gregory, Sarah Wylde
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Patent number: 6936581Abstract: Processes are described for preparing anhydrous detergent granules, wherein the processes comprise: (a) providing an alk(en)yl oligoglycoside composition having a residual fatty alcohol content; (b) reducing the fatty alcohol content of the composition to 30% by weight or less to provide a reduced alcohol content alk(en)yl oligoglycoside; and (c) combining the reduced alcohol content alk(en)yl oligoglycoside with one or more detergent additives.Type: GrantFiled: April 10, 2001Date of Patent: August 30, 2005Assignee: Cognis Deutschland GmbH & Co. KGInventors: Rainer Eskuchen, Manfred Weuthen, Ditmar Kischkel, Tycho Michel, Bernhard Gutsche
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Patent number: 6908895Abstract: A particulate zeolite-built laundry detergent composition having a bulk density of at least 550 g/l comprising at least two different granular components containing both surfactant and builder, preferably one prepared by non-tower granulation and another spray-dried, also contains from 1 to 10 wt % citric acid admixed as a separate particulate component. The admixed citric acid improves dispensing and dissolution properties, whether or not separately admixed sodium carbonate is present.Type: GrantFiled: May 14, 2002Date of Patent: June 21, 2005Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.Inventors: Vera Johanna Bakker, Arie Krijgsman, Edwin Leo Lempers, Jasper Mol
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Patent number: 6906022Abstract: A detergent composition which has improved solubility or dissolution in laundering solutions, especially in solutions kept at cold temperatures (i.e., less than about 30° C.), is provided. The granular detergent composition is aesthetically pleasing to consumers and has improved flowability. The granular detergent composition has a homogeneity number of greater than 1 wherein the homogeneity number is defined by the equation HN=Xbulk/Xpart. A process for producing the detergent is also provided.Type: GrantFiled: September 24, 1999Date of Patent: June 14, 2005Assignee: The Procter & Gamble CompanyInventors: Scott William Capeci, Mark William Ridyard, Paur R. Mort, III
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Patent number: 6864221Abstract: The present invention relates to particles for supporting a surfactant and a process for preparing the same. Further, the present invention relates to high-density detergent particles using the particles for supporting a surfactant, and a process for preparing the same.Type: GrantFiled: June 14, 2000Date of Patent: March 8, 2005Assignee: Kao CorporationInventors: Shuji Takana, Hitoshi Takaya, Hiroki Yamaboshi, Yoichi Sugiyama, Hiroshi Kitagaito, Shu Yamaguchi, Hiroyuki Yamashita
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Patent number: 6849591Abstract: A description is given of a microcapsule formulation comprising microcapsules having a core of a hydrophobic material and a capsule shell of an addition polymer containing in copolymerized form at least 1% by weight of cationogenic monomers and/or polyethylenically unsaturated monomers whose unsaturated sites are connected via successive chemical bonds of which at least one bond is acid-hydrolyzable. A description is further given of a microcapsule formulation comprising microcapsules having a core of a hydrophobic material, which comprises at least one fragrance or perfume, and a shell of an addition polymer containing in copolymerized form at least 1% by weight of anionogenic monoethylenically unsaturated monomers and/or polyethylenically unsaturated monomers whose unsaturated sites are connected via successive chemical bonds of which at least one bond is base-hydrolyzable. The microcapsule formulations are employed in laundry detergents or cleaning products.Type: GrantFiled: July 7, 2000Date of Patent: February 1, 2005Assignee: BASF AktiengesellschaftInventors: Dieter Boeckh, Ekkehard Jahns, Werner Bertleff, Peter Neumann
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Patent number: 6849590Abstract: The present invention relates to a process for preparing particles for supporting a surfactant, comprising a step of giving a defect to a coating film containing a water-soluble component, wherein the coating film is formed on surfaces of raw material particles; and a process for preparing detergent particles comprising a step of mixing a surfactant composition and the particles for supporting a surfactant obtained by the above process, under conditions that the surfactant composition shows a liquid state. By using the process of the present invention, there can be obtained particles for supporting a surfactant, in which the supporting ability of the particles is improved, without lowering the detergency. In addition, by using the particles for supporting a surfactant, there can be obtained detergent particles having excellent detergency.Type: GrantFiled: December 28, 1999Date of Patent: February 1, 2005Assignee: KAO CorporationInventors: Hiroki Yamaboshi, Shuji Takana, Teruo Kubota, Hitoshi Takaya, Hiroyuki Yamashita, Hideichi Nitta
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Publication number: 20040224873Abstract: A particulate detergent or cleaning product in the form of a direct spray drying product that has an apparent weight in the range from 220 g/l to 500 g/l and a particle diameter d50 in the range from 0.12 mm to 0.6 mm. Also, a method of producing the particulate product using a spray drying apparatus.Type: ApplicationFiled: April 26, 2004Publication date: November 11, 2004Inventors: Wilfried Raehse, Ovidio Dicoi, Rene-Andres Artiga Gonzales, Hans-Friedrich Kruse, Gerhard Blasey
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Patent number: 6797687Abstract: Mixtures comprising: (a) a gemini surfactant of the formula (I) R1—CHOH—CH2—[OCH2CH2]x—O—CH2—CHOH—R (I) wherein each of R and R1 is a linear or branched alkyl and/or alkenyl group having from 4 to 22 carbon atoms and x is a number from about 5 to about 400; (b) polyethylene glycol are useful as components in laundry detergents, dishwashing detergents and cleaners and for improving the wetting behavior on various surfaces.Type: GrantFiled: August 7, 2002Date of Patent: September 28, 2004Assignee: Cognis Deutschland GmbH & Co. KGInventors: Ditmar Kischkel, Hans-Christian Raths, Manfred Weuthen, Michael Elsner