Spray Cooling Process, Or Product Thereof Patents (Class 510/456)
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Patent number: 8785361Abstract: A detergent product containing a detergent composition is provided.Type: GrantFiled: September 12, 2011Date of Patent: July 22, 2014Assignee: The Procter & Gamble CompanyInventors: Mark Robert Sivik, Gregory Charles Gordon, Frank William Denome, Alyssandrea Hope Hamad-Ebrahimpour, Stephen Joseph Hodson, Brian Patrick Croll, John Gerhard Michael, Andreas Josef Dreher, Paul Dennis Trokhan
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Publication number: 20130324456Abstract: The present invention is a spray-dried powder comprising: at least 5 wt % of a spray-dried particle comprising at least 40 wt % anionic detersive surfactant, from 15 to 40 wt % carbonate and less than 20 wt % sulphate and having a bulk density of from 300 g/l to 450 g/l.Type: ApplicationFiled: May 30, 2013Publication date: December 5, 2013Inventors: Hossam Hassan TANTAWY, Adam PORTER, Philip David DORGAN
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Publication number: 20130324452Abstract: 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: ApplicationFiled: May 21, 2013Publication date: December 5, 2013Applicant: The procter & Gamble CompanyInventors: Hossam Hassan TANTAWY, Andres Arturo Martinez-Guzman, Andre-Brian Greenaway PATTON, Adam PORTER
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Patent number: 8153578Abstract: In one embodiment, a method for recycling soap includes scraping the surface of a soap bar using a bladed implement; soaking the soap bar in a cleansing solution including dimethyl benzylammonium chlorides monohydrate; placing the soap bar on a rack in a Rational Clima Plus Combi unit; placing a pan under the rack; steaming the soap bar using the Rational Clima Plus Combi unit for five minutes at 212° F.; cooling the soap bar in a refrigerator unit at 38° F. for at least seven minutes; and packaging the soap for reuse.Type: GrantFiled: November 9, 2009Date of Patent: April 10, 2012Assignee: Clean The World Foundation, Inc.Inventors: Shawn Seipler, Paul Till, Steve Delisle, Edward C. Foster, Enrique Galarza, Steve Cooper, Noel Alamo
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Patent number: 7871974Abstract: A process for making bleach granules comprising a bleach selected from the group of diacyl, tetraacyl peroxide and mixtures thereof, selected from diacyl peroxides of the general formula: R1—C(O)—OO—(O)C—R2 in which R1 represents a C6-C18 alkyl group and R2 represents an aliphatic group compatible with a peroxide moiety, such that R1 and R2 together contain a total of 8 to 30 carbon atoms; the tetraacyl peroxide is selected from tetraacyl peroxides of the general formula: R3—C(O)—OO—C(O)—(CH2)n-C(O)—OO—C(O)—R3 in which R3 represents a C1-C9 alkyl group and n represents an integer from 2 to 12, wherein the process comprises the step of dry granulating the diacyl and/or tetraacyl peroxide.Type: GrantFiled: April 19, 2007Date of Patent: January 18, 2011Assignee: The Procter & Gamble CompanyInventors: Nigel Patrick Somerville Roberts, Julie Ellis, Christopher Charles Graham
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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: 7241433Abstract: The invention relates to a process for the preparation of coated granular sodium percarbonate having a low TAM value. The preparation is carried out by fluidized-bed spray granulation at a temperature TG in the range from 45 to 75° C., and the coating is effected by the spray application of an aqueous solution containing at least one coating component in a fluidized bed at a temperature TU in the range from 35 to 100° C. According to the invention, a) after the fluidized-bed spray granulation but before the coating, drying is carried out at TNT of greater than TG, or b) the fluidized-bed granulation is carried out in at least two steps at TG1, TG2 . . . TGn, TG2 or TGn being higher than TG1, and drying being unnecessary if ? of the granulate have been formed at TG1, or c) drying takes place not after the granulation but after the coating, at TUNT, TUNT being at least 20° C. higher than TG.Type: GrantFiled: August 20, 2002Date of Patent: July 10, 2007Assignee: Degussa GmbHInventors: Harald Jakob, Waldemar Hessberger, Juergen Lattich, Ralph Overdick
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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: 6627597Abstract: A process for producing a starting material in a granular form and in a nanoporous anhydrous state, a process for improving the water-solubility and controlled release characteristics of a detergent material, and a detergent composition are disclosed. In one aspect, a process for producing a starting material in a granular form and in a nanoporous anhydrous state includes obtaining a starting material in a form of a dispersion or solution in a sublimable solvent or mixtures of sublimable solvents, forming graded droplets by atomization, freezing the graded droplets in a freezing medium at a controlled freezing rate of a least 100° C. per second to form frozen droplets and drying the frozen droplets by vacuum sublimation to obtain freeze-dried granules of the starting material in a nanoporous anhydrous state. The starting material in dispersion or solution form has a viscosity suitable for atomization and formation of graded droplets.Type: GrantFiled: April 12, 2001Date of Patent: September 30, 2003Assignee: The Procter & Gamble CompanyInventors: Srinivas Achanta, Paul Amaat France
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Publication number: 20030104967Abstract: The invention relates to a process for the preparation of coated granular sodium percarbonate having a low TAM value. The preparation is carried out by fluidized-bed spray granulation at a temperature TG in the range from 45 to 75° C., and the coating is effected by the spray application of an aqueous solution containing at least one coating component in a fluidized bed at a temperature TU in the range from 35 to 100° C. According to the invention, a) after the fluidized-bed spray granulation but before the coating, drying is carried out at TNT of greater than TG, or b) the fluidized-bed granulation is carried out in at least two steps at TG1, TG2 . . . TGn, TG2 or TGn being higher than TG1, and drying being unnecessary if ⅔ of the granulate have been formed at TG1, or c) drying takes place not after the granulation but after the coating, at TUNT, TUNT being at least 20° C. higher than TG.Type: ApplicationFiled: August 20, 2002Publication date: June 5, 2003Applicant: DEGUSSA AGInventors: Harald Jakob, Waldemar Hessberger, Juergen Lattich, Ralph Overdick
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Patent number: 6528474Abstract: The invention relates to a process for the production of substantially alumosilicate-free detergents containing a soluble builder system which provides free-flowing and storage-stable granules. In this process for the production of a particulate, substantially alumosilicate-free detergent, an anionic surfactant acid is sprayed onto a detergent component containing anionic surfactant and builders in order to increase the anionic surfactant content.Type: GrantFiled: July 5, 2000Date of Patent: March 4, 2003Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Rene-Andres Artiga Gonzalez, Andreas Lietzmann, Maria Liphard, Wilfried Roehl
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Publication number: 20020132751Abstract: A detergent tablet of compacted particulate composition comprising organic surfactant, detergency builder and optionally other ingredients, wherein the tablet or a region thereof comprises; i) particles which comprise surfactant mixed with other material, and ii) other particles which accelerate tablet disintegration on contact with water, wherein there is a deposit of water-soluble material on the exterior of at least some of the surfactant-containing particles i) and further wherein the particles i) further comprise detergency builder and the particles ii) comprise water-insoluble particles which are able to swell on contact with water, or, further wherein the water-soluble material is present as particles which have a smaller particle size than the particles i). This deposit further accelerates tablet disintegration on contact with water.Type: ApplicationFiled: December 19, 2001Publication date: September 19, 2002Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.Inventors: Reinhard Kohlus, Harmannus Tammes, Michel Jan De Ruijter, Rahul Dominic Vas Bhat
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Patent number: 6395703Abstract: A detergent composition is described which is a solid homogeneous, evenly dispersed composition containing anionic and nonionic surfactants, soil suspending agents, chelating or sequestering agents, and alkaline builders. The detergent compositions will contain either active enzymes, an oxygen releasing bleaching agent or both. The active enzymes can be protease, amylase or lipase enzymes. Said composition can be used for laundry washing or hard surface cleaning. Manufacturing procedures and methods of use are described.Type: GrantFiled: December 1, 2000Date of Patent: May 28, 2002Assignee: Sunburst Chemicals, Inc.Inventor: William H. Scepanski
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Patent number: 6365564Abstract: Asymmetrical imide bleach activators for use in both solid and liquid additive, bleaching and detergent compositions are provided. The compounds have general formula (I) wherein R1 is a moiety selected from a specific group, R2 is a C1-C8 linear or branched chain saturated or unsaturated alkyl group and R3 is a C1-C4 linear or branched chain saturated or unsaturated alkyl group. Preferred compounds include the compounds when R2 and R3 are CH3. Bleach additive and bleaching compositions including the asymmetrical bleach activators and methods of cleaning fabrics are also provided.Type: GrantFiled: April 15, 1999Date of Patent: April 2, 2002Assignee: The Procter & Gamble Co.Inventors: Kevin Lee Kott, Gregory Scot Miracle, James Charles T. R. Burckett-St. Laurent, Robert Richard Dykstra
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Patent number: 6165972Abstract: A solid surfactant mixture, comprising one or more fatty acid polyhydroxyamides of the formula IRCONR.sup.1 Z (1)in which R is C.sub.7 -C.sub.31 -alkyl or C.sub.7 -C.sub.31 -alkenyl, Z is a polyhydroxyhydrocarbon group having at least two hydroxyl groups, which may also be alkoxylated, and R.sup.1 is C.sub.1 -C.sub.8 -alkyl or a group of the formula --(CH.sub.2).sub.x NR.sup.2 R.sup.3 or R.sup.4 O(CH.sub.2).sub.n --, R.sup.2 and R.sup.3 are C.sub.1 -C.sub.4 -alkyl or C.sub.2 -C.sub.4 -hydroxyalkyl, R.sup.4 is C.sub.1 -C.sub.4 -alkyl and x is a number from 1 to 10 and n is a number from 2 to 4, one or more other nonionic surfactants and/or one or more anionic surfactants.Type: GrantFiled: September 2, 1999Date of Patent: December 26, 2000Assignee: Clariant GmbHInventors: Frank Weinelt, Helmut Keck
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Patent number: 6162781Abstract: Foam control granules, for use in particulate laundry detergent compositions, comprise a mobile hydrophobic foam control agent, preferably silicone oil in admixture with hydrophobic silica, optionally combined with a mixture of a hydrocarbon such as petroleum jelly and an alkylphosphoric acid salt, sorbed onto a porous absorbent inorganic carrier comprising or consisting of anhydrous sodium carbonate, preferably light soda ash. When such granules are prepared by mixing and granulating in a high shear mixer/granulator, the addition of from 1 to 10 wt % water after mixing and granulation results in granules having improved flow properties.Type: GrantFiled: August 12, 1999Date of Patent: December 19, 2000Assignee: Lever Brothers Company, div. of Conopco Inc.Inventors: Marinela Buscan, Francois Delwel, Angela Di-Pietro
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Patent number: 6159920Abstract: A detergent composition comprises detergent particles, each particle having a substantially anhydrous coating comprising a fluorescent whitening agent and a nonionic surfactant. A process for the preparation of the said detergent composition comprises spraying base detergent particles with a substantially anhydrous mixture comprising the fluorescent whitening agent and the nonionic surfactant.Type: GrantFiled: November 9, 1999Date of Patent: December 12, 2000Assignee: The Proctor & Gamble CompanyInventor: Mark William Ridyard
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Patent number: 5858957Abstract: A process for the manufacture of detergent compositions from a surfactant paste which is substantially in the solid phase at temperatures of 25.degree. C. and below comprises the steps of: (i) mixing the surfactant paste at a temperature above its softening point, the surfactant paste comprising at least 50% by weight of nonionic surfactant; (ii) forming the molten surfactant paste into drops on a cooling surface; (iii) forming solid pastilles by cooling the drops of molten surfactant paste; and (iv) removing solidified pastilles from the cooling surface.Type: GrantFiled: September 23, 1997Date of Patent: January 12, 1999Assignee: The Procter & Gamble CompanyInventors: Scott John Donoghue, David John Smith
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Patent number: 5856294Abstract: In a process for producing detergent particles comprising an anionic surfactant, a paste comprising water and the surfactant is fed to a drying zone where it is heated. Subsequently, the paste is cooled in a cooling zone. A layering agent is introduced into the cooling zone to improve granularity.Type: GrantFiled: February 24, 1997Date of Patent: January 5, 1999Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventor: William Derek Emery
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Patent number: 5837668Abstract: A process for preparing blends or slurries of acyloxyalkane sulfonate salts is provided. The salts have the formula:R.sub.1 C(O)O(CH.sub.2).sub.n SO.sub.3 Ywherein R.sub.1 is a hydrocarbyl radical having from about 6 to about 26 carbon atoms, n is an integer of from 2 to 4 and Y is an alkali metal or alkaline earth metal. The blend also comprises an amphoteric and/or anionic surfactant. The first step of the process comprises acylating an alkane sulfonic acid with a fatty acid at a temperature above about 180.degree. C. forming a molten reaction mass of acyloxyalkane sulfonate salts. In the next step, the molten reaction mass is quenched in an aqueous quench liquid comprising an amphoteric and/or anionic surfactant. Finally, a blend comprising an acyloxyalkane sulfonate and an amphoteric and/or anionic surfactant is recovered.Type: GrantFiled: April 30, 1996Date of Patent: November 17, 1998Assignee: Rhodia Inc.Inventors: David James Tracy, Paul Frank D'Angelo
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Patent number: 5733863Abstract: A process for making a free-flowing particulate detergent admix that contains nonionic surfactant is disclosed. The nonionic surfactant is in the form of various sorbitan esters encased in a matrix of a plastic, organic structuring agent that can be readily dissolved or dispersed in an aqueous laundry bath. The nonionic detergent admix can be incorporated in granular laundry detergent products.Type: GrantFiled: January 17, 1997Date of Patent: March 31, 1998Assignee: The Procter & Gamble CompanyInventors: John Patrick Bowman, John Michael Jolicoeur
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Patent number: 5703034Abstract: The present invention relates to bleach catalyst-containing composite particles suitable for incorporation into granular detergent compositions, said composite particles comprising:(a) from about 1% to about 60% of bleach catalyst (preferably a cobalt catalyst); and(b) from about 40% to about 99% of carrier material that melts within the range of from about 38.degree. C. to about 77.degree. C. (preferably selected from the group consisting of polyethylene glycols, paraffin waxes, and mixtures thereof), and to processes for making these particles. These particles are particularly useful components of detergent compositions, such as laundry detergent compositions, hard surface cleaners, and especially automatic dishwashing detergent compositions.Type: GrantFiled: October 30, 1995Date of Patent: December 30, 1997Assignee: The Procter & Gamble CompanyInventors: Edward Robert Offshack, Jeffrey Donald Painter, Melissa Dee Aquino
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Patent number: 5658870Abstract: A composition of super molecule active solid cleaning agent manufactured from super molecules and inorganic chemicals consisting of suitable amounts in weight percent of an anionic surface active agent, a sodium carbonate, a sodium silicate, a fluorescent whitening agent, a carboxymethyl cellulose, a non-ionic surface active agent, a di-sodium edetate, an oleic acid and an essence. Water molecules can be activated by the active solid particles as they are immersed in the water. The active solid particles may rub with each other to generate excessive amount of negative hydroxyl ions (OH) in water. Accordingly, the pH value in water increases and the water molecules are activated. As a result, the activated molecules of water may readily penetrate into the tissue of the fabric to weaken and soften the connection between the dirt and tissue of the fabric. The dirt attached to fabric can be readily removed.Type: GrantFiled: September 26, 1996Date of Patent: August 19, 1997Inventor: Shiow Jiuan Freida Leu
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Patent number: 5618782Abstract: An aqueous detergent slurry composition comprising (A) about 5-60% of inorganic builder salts; (B) about 5-70% of detergent active matter selected from the group consisting of anionic, nonionic, cationic, amphoteric and zwitterionic surfactants; and (C) about 0.01-10% of a hydrophilic copolymer comprising a hydrophilic monomer copolymerized with an oxyalkylated monomer.Type: GrantFiled: May 23, 1995Date of Patent: April 8, 1997Assignee: BASF CorporationInventors: Sridhar Gopalkrishnan, Kathleen M. Guiney, John V. Sherman, David T. Durocher, Michael C. Welch
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Patent number: 5595968Abstract: An aqueous soda ash based detergent slurry composition comprising (A) about 5-65% of inorganic builder salt comprising soda ash, and (B) about 0.01-20% of a copolymer comprising an unsaturated monomer copolymerized with an oxyalkylated monomer.Type: GrantFiled: May 23, 1995Date of Patent: January 21, 1997Assignee: BASF CorporationInventors: Sridhar Gopalkrishnan, Kathleen M. Guiney
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Patent number: RE36593Abstract: In a process for producing detergent particles comprising an anionic surfactant, a paste comprising water and the surfactant is fed to a drying zone where it is heated. Subsequently, the paste is cooled in a cooling zone. A layering agent is introduced into the cooling zone to improve granularity.Type: GrantFiled: June 17, 1999Date of Patent: February 29, 2000Assignee: Lever Brothers CompanyInventor: William Derek Emery