Solid, Shaped Article (e.g., Tablet, Briquette, Etc.) Patents (Class 510/298)
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Patent number: 6982245Abstract: The invention relates to portioned cleaning shaped bodies which are comprised of solid cleaning agent and of a water-soluble coating and which are used for producing liquid cleaning agent concentrates. The invention also relates to the use of the cleaning shaped bodies in the area of building cleaning or industrial cleaning services or in the area of household cleaning.Type: GrantFiled: July 18, 2000Date of Patent: January 3, 2006Assignee: Ecolab GmbH & Co. OHGInventors: Heiko Faubel, Francois Prebin, Gerd Rupietta, Karl-Heinz Rogmann, Heiko Hiltner, Barbara Zupp
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Patent number: 6977239Abstract: A detergent tablet composition containing surfactant granules made by a process involving: (a) providing a surfactant component selected from the group consisting of a surface-active protein, a surface-active protein derivative, and mixtures thereof; (b) providing a disintegrator component; (c) combining the surfactant component and the disintegrator component to form a surfactant mixture; and (d) granulating and compacting the surfactant mixture to form the surfactant granules.Type: GrantFiled: November 16, 2000Date of Patent: December 20, 2005Assignee: Cognis Deutschland GmbH & Co. KGInventors: Manfred Weuthen, Ditmar Kischkel
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Patent number: 6974789Abstract: A detergent tablet for use in a washing machine, the tablet having one or more phases at least one of which is in the form of a compressed particulate solid comprising a) a polymeric disintegrant having a particle size distribution such that at least 90% by weight thereof has a particle size below about 0.3 mm and at least 30% by weight thereof has a particle size below about 0.2 mm; and b) a water-soluble hydrated salt having a melting point in the range from about 30° C. to about 95° C. The detergent tablets display improved dissolution, strength and long-term storage characteristics.Type: GrantFiled: January 20, 2000Date of Patent: December 13, 2005Assignee: The Procter & Gamble CompanyInventors: Joanne Louise Whitaker, Eric Tcheou, Neil Joseph Lant, Christopher James Binder
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Patent number: 6951838Abstract: A detergent composition containing: (a) an anionic surfactant selected from the group consisting of an alkylbenzenesulfonate, an alkyl sulfate, a soap, an alkanesulfonate, an olefinsulfonate, a methyl ester sulfonate, and mixtures thereof; (b) a non-enzymatic protein and/or derivative thereof; (c) a phosphate; (d) a disintegrating agent; an (e) optionally, a co-surfactant selected from the group consisting of a nonionic surfactant, an amphoteric surfactant, and mixtures thereof, and wherein the detergent composition is in a solid form.Type: GrantFiled: September 6, 2000Date of Patent: October 4, 2005Assignee: Cognis Deutschland GmbH & Co. KGInventors: Manfred Weuthen, Bernd Fabry
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Patent number: 6900165Abstract: Incorporation of crosslinked polyvinylpyrrolidone in a specific particle composition as a disintegrant in compact particulate laundry detergents or cleaning products, such a particle composition and the compact particulate laundry detergents themselves, a process for preparing such a compact particulate laundry detergents or cleaning products, and a process for preparing specific particle compositions.Type: GrantFiled: March 9, 2001Date of Patent: May 31, 2005Assignee: BASF AktiengesellschaftInventors: Helmut Meffert, Werner Bertleff, Michael Kerber, Peter Spang, Richard Baur, Marcos Gomez
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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: 6846332Abstract: The present invention relates to an applicator for a fabric treatment composition and its application. More specifically the invention relates to a convenient to carry fabric treatment applicator comprising a chelating agent and a radical scavenger and preferably a bleach, which allows for gentle fabric treatment which does not require post-treatment, like rinsing. Claimed and described is a fabric treatment applicator comprising an application device and a fabric treatment composition, the fabric treatment composition comprising a radical scavenger and a chelating agent. Further claimed and described is the use of a fabric treatment composition comprising a radical scavenger and a chelating agent for no rinse fabric treatment.Type: GrantFiled: June 19, 2001Date of Patent: January 25, 2005Assignee: The Procter & Gamble CompanyInventors: Stephane Boissie, Ulrich Kleinsteuber
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Patent number: 6846794Abstract: A process for making a non-phosphate, zeolite-built detergent tablet, the process comprising a first step of providing a detergent composition, a second step of forming a particulate material comprising the detergent composition, and a third step of compressing the particulate material in a tablet form, the process being characterized in that it further comprises a step of cooling the detergent composition below ambient temperature between the first and the third step.Type: GrantFiled: February 29, 2000Date of Patent: January 25, 2005Assignee: The Procter & Gamble CompanyInventors: David William Ingram, Ingrid Maria Elisabeth Hendrika Willems
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Patent number: 6815410Abstract: The present invention relates to a pouched cleaning composition wherein the pouch is constructed from a water-soluble film and contains a liquid composition comprising less than 5% by weight of the liquid composition, of water; an anionic surfactant; and at least 0.5% by weight of the liquid composition of a builder/chelant free of C8-22 alkyl or alkenyl chains characterized by a solubility in said liquid composition of less than 0.3% by weight. Such pouched cleaning compositions provide better cleaning performance and better pouch solubility while avoiding the formation of residues.Type: GrantFiled: April 17, 2003Date of Patent: November 9, 2004Assignee: The Procter & Gamble CompanyInventors: Jean-Pol Boutique, James Charles Theophile Roger Burckett-Saint-Laurent, Steven Jozef Louis Coosemans, Luca Goovaerts, Lorenzo Matteo Pierre Gualco, James Pyott Johnston
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Patent number: 6812200Abstract: A process for coating laundry detergent or cleaning product tablets that contain builder(s) and also, if desired, further laundry detergent and cleaning product ingredients, by transporting the tablets on a conveyor belt provided with a multiplicity of apertures and forcing coating material through the conveyor belt apertures from below with a force such that the coating material forced over the conveying plane forms a surge through which the tablets are transported.Type: GrantFiled: June 23, 2003Date of Patent: November 2, 2004Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Henriette Weber, Georg Assmann
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Patent number: 6812202Abstract: The invention relates to a highly alkaline or mildly alkaline detergent composition having enhanced cleaning properties. The detergent combines a source of alkalinity and a blend of nonionic surfactants that enhances cleaning starchy soils. The blend of nonionic surfactants preferably includes an alkyl polyglycoside surfactant and a silicon surfactant having a hydrophobic silicon group and a pendant hydrophilic group. Preferably, the blend of nonionic surfactants includes a surfactant having a hydrophobic group and an ethylene oxide residue containing group and a polymer additive. A method for removing soil from an article is provided.Type: GrantFiled: November 18, 2003Date of Patent: November 2, 2004Assignee: Ecolab Inc.Inventors: Victor F. Man, Terrence P. Everson, Steven E. Lentsch
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Publication number: 20040214738Abstract: A non-Division 5.1 Oxidizer tablet consisting essentially of a blend of hydrated calcium hypochlorite with magnesium sulfate heptahydrate, wherein the blend contains at least about 17% by weight of water based on the total weight of the blend; contains from about 0.1% to about 10% of lime based on the total weight of the hydrated calcium hypochlorate and magnesium sulfate heptahydrate and the average dissolving rate of the tablet is less than 150 grams per day.Type: ApplicationFiled: February 20, 2004Publication date: October 28, 2004Applicant: Arch Chemicals Inc.Inventors: James P. Brennan, Paul S. Loomis
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Patent number: 6809073Abstract: A method is provided for producing a tablet, especially a detergent tablet, which includes at least one first and one second layer. The method comprises the following steps: (a) introducing a first metered quantity of a first particulate composition into a molding cavity of a tablet press; (b) compacting the first metered quantity with a first mold pressure by means of a molding punch that has at least one convexity on its pressing surface, to produce a first compacted layer that has one or more respective indentations in its upper surface that corresponds to a convexity/convexities on the molding punch; (c) introducing a second metered quantity of a second particulate composition into the molding cavity of the tablet press on top of the first compacted layer; and (d) compacting the second metered quantity with a second mold pressure by means of a molding punch, to produce a second compacted layer with one or more respective indentations in its upper surface.Type: GrantFiled: November 15, 2001Date of Patent: October 26, 2004Assignee: Reckitt Benckiser N.V.Inventors: Wilfried Höflinger, Laurence Geret, Brigitte Sandmann, Ralf Wiedemann
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Patent number: 6800601Abstract: A detergent bar is made by (1) applying pressure to a detergent composition to deliver it to a substantially closed mold at a temperature less than 70° C.; (2) ensuring the pressure on the composition at point of entry is greater than 29.4 psi under the action of an injector head for at least part of the time over which the composition enters the mold; (3) cooling in the mold to form bar; and (4) removing.Type: GrantFiled: February 28, 2001Date of Patent: October 5, 2004Assignee: Lever Brothers Company, division of Conopco, Inc.Inventors: Peter Stewart Allan, John Martin Cordell, Graeme Neil Irving, Suresh Murigeppa Nadakatti, Vijay Mukund Naik, Christine Ann Overton, Frederick Edmund Stocker, Karnik Tarverdi, John Colin Wahlers
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Patent number: 6790817Abstract: The invention is a solid chemical concentrate system of at least two cooperative shapes. The first shape is an inwardly curved bar having an inner opening. The second shape is an insert which is capable of interlocking with the bar by insertion into the bar inner opening. The solid chemical concentrate provides chemical systems having active constituents which may be the same, different but compatible or functionally and chemically incompatible combined within one matrix to provide at least one substantially continuous surface. The system may also comprise an aqueous soluble or dispersible polymeric film cover.Type: GrantFiled: August 13, 2002Date of Patent: September 14, 2004Assignee: Ecolab Inc.Inventors: Elizabeth J. Gladfelter, Tina O. Outlaw, James L. Copeland, Rhonda K. Schulz, Daniel K. Boche, Jeff W. Peterson
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Patent number: 6770616Abstract: A multi-phase detergent tablet for use in a washing machine, the tablet comprising a first phase in adhesive contact with one or more second phases, and wherein at least the first phase is in the form of a compressed particulate solid incorporating a cogranulated detergency additive composition comprising polymeric polycarboxylate and inorganic carrier. The multi-phase tablets provide improved interphase adhesivity, robustness and strength together with excellent dissolution and cleaning characteristics.Type: GrantFiled: September 4, 2001Date of Patent: August 3, 2004Assignee: The Procter & Gamble CompanyInventors: Steven Baldwin McGowan, James Iain Kinloch, Alasdair Duncan McGregor
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Patent number: 6759379Abstract: The inclusion of one or more wrinkle reducing ingredients in a laundry detergent product is described. The benefits are delivered to the laundered item during the cleaning step and, therefore, reduces the need for further wrinkle reducing steps when the items are taken from the dryer or after hang drying.Type: GrantFiled: May 16, 2002Date of Patent: July 6, 2004Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.Inventors: Dennis Stephen Murphy, Daniel Fox
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Patent number: 6750193Abstract: A method for providing multi-phase cleaning and washing agent shaped bodies is provided. A particulate premix ix compressed to form a shaped body containing a cavity and the cavity is filled with a molten suspension or emulsion of a matrix material with a melting point above 30% and at least one active material dispersed or suspended in the matrix material.Type: GrantFiled: June 12, 2001Date of Patent: June 15, 2004Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Thomas Holderbaum, Hans-Josef Beaujean, Juergen Haerer, Christian Nitsch, Bernd Richter, Markus Semrau
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Patent number: 6746995Abstract: A unit dose wash cycle fabric softening composition for softening or conditioning fabrics in the wash cycle of an automatic washing machine, said unit dose comprising a compacted granular fabric softener composition formed from granules of softener, which granules are formed from a powder of said clay component wherein the amount of moisture in said clay component is from about 3% to about 10%, by weight, and wherein the total amount of moisture in the compacted fabric softener composition is from about 3% to about 25% by weight.Type: GrantFiled: June 13, 2002Date of Patent: June 8, 2004Assignee: Colgate-Palmolive CompanyInventors: Hoai-Chau Cao, Alain Gourgue, Alain Jacques, Joseph Reul, Juliette Rousselet, Jeffrey T. Epp, Amjad Farooq, Charles J. Schramm, Jr.
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Patent number: 6737390Abstract: Laundry detergent or cleaning product shaped bodies which comprise two or more noncompressed parts.Type: GrantFiled: March 5, 2001Date of Patent: May 18, 2004Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Matthias Sunder, Rolf Bayersdoerfer, Bernd Richter, Hans-Friedrich Kruse, Markus Semrau, Thomas Holderbaum
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Patent number: 6727216Abstract: The invention relates to a composition for use in a washing machine. The composition is characterised by a base composition that becomes active essentially during the main wash cycle of the washing machine; and by at least one particle with at least one core which contains at least one substance which becomes active essentially during the rinse cycles of the washing machine and with a coating which essentially fully encloses the core(s) and contains at least one compound whose solubility increases as the concentration of a specific compound in the surrounding medium decreases. The invention provides for means that prevent a significant dissolution of the coating or a significant detachment of the coating from the core(s) until the rinse cycles have begun. The invention also relates to a method for carrying out a wash cycle in a washing machine using the inventive composition.Type: GrantFiled: April 4, 2001Date of Patent: April 27, 2004Assignee: Reckitt Benckiser N.V.Inventors: Guido Waeschenbach, Ralf Wiedemann, Enric Carbonell, Paul W. Robinson, Antonio Cordellina, Manuela Bosco, Giorgio Franzolin, Joan Clotet, Dora Zamuner
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Patent number: 6689305Abstract: A bed of particulate solids including some hydrated materials can be converted by controlled irradiation with subinfrared electromagnetic radiation into a unitary porous solid that is mechanically strong enough for easy handling. When the particulate solids include typical mildly acid to alkaline cleaner materials, a block or tablet especially suitable for automatic cleaning machinery, with a very fast dissolution rate in water, can readily be obtained.Type: GrantFiled: January 14, 1994Date of Patent: February 10, 2004Assignee: Ecolab Inc.Inventors: Peter J. Fernholz, Sandra Witt, Hans-Peter Koehler, Wolfgang Preibsch, Horst Pruehs, Karl-Heinz Rogmann
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Patent number: 6686329Abstract: The present invention relates to a detergent tablet having at least a first and a second layer, whereby the first layer is softer than the second layer, and if said tablet has more than two layers, the tablet is such that a softer layer is situated at an end of the tablet to increase the integrity and robustness of the entire tablet during production, shipping and handling while keeping substantially good dispensing properties.Type: GrantFiled: February 12, 2001Date of Patent: February 3, 2004Assignee: The Procter & Gamble CompanyInventor: Serge Eric Salager
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Patent number: 6686328Abstract: A multi-phase detergent tablet for use in a washing machine, the tablet comprising a first phase in adhesive contact with one or more second phases, at least one second phase being in the form of a compressed particulate solid incorporating liquid adhesive and having an average porosity of less than about 0.15 ml/g. The liquid adhesive is preferably selected from polyethylene glycols having an average molecular weight in the range from about 200 to about 700 and is preferably applied by post-addition to the particulate solid prior to compression. The multi-phase tablets provide improved interphase adhesivity, robustness and strength together with excellent dissolution and cleaning characteristics.Type: GrantFiled: January 17, 2001Date of Patent: February 3, 2004Assignee: The Procter & Gamble CompanyInventor: Christopher James Binder
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Patent number: 6686327Abstract: A detergent composition having improved solubility in water comprising: (a) a surfactant selected from the group consisting of an anionic surfactant, a nonionic surfactant, a cationic surfactant, an amphoteric surfactant, and mixtures thereof; (b) a disintegrator component; and (c) defoamer granules containing silicones and support materials, wherein the detergent composition is in solid-form.Type: GrantFiled: October 10, 2000Date of Patent: February 3, 2004Assignee: Cognis Deutschland GmbH & Co. KGInventors: Karl-Heinz Schmid, Michael Neuss, Detlef Stanislowski, Karin Koren, Andrea Borntraeger
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Patent number: 6677295Abstract: The present invention relates to a detergent tablet comprising a core and a coating, the core having a diametral fracture stress of less than 15 kPa, and the core comprising a non-gelling binder, wherein the coated detergent tablet has a diametral fracture stress of at least 20 kPa. In a further aspect of the invention there is provided a detergent tablet having a diametral fracture stress of at least 20 kPa, the tablet giving less than 18 g residue at the end of the washing machine cycle under stressed test, the stressed test consisting of three tablets, each tablet weighing 60 g, being placed in the bottom of the drum of a Miele® W831 washing machine, 2.5 kg of mixed fabric load being placed in the drum on top of the tablets, and the machine being run using a “whites/colors” short cycle of 30° C.Type: GrantFiled: March 22, 2001Date of Patent: January 13, 2004Assignee: The Procter & Gamble CompanyInventors: Eric Tcheou, Steven Rene Ongena
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Patent number: 6673765Abstract: A process for preparing a homogeneous, solid cleaning composition that comprises a cleaning agent, and optionally an additive agent and a hardening agent is provided. The compositions are processed in a continuous mixing system at high shear, at or below the melting temperature of the ingredients. Preferably, the ingredients are processed in an extruder, and the mixture is extruded directly into a mold or other packaging system for dispensing the cleaning composition. The consistency of the composition ranges from that of a fused block solid to a malleable article. The cleaning compositions are useful for warewashing and cleaning hard surfaces, rinsing, sanitizing, deodorizing, laundry detergents, conveyor lubricants, and the like.Type: GrantFiled: April 17, 2000Date of Patent: January 6, 2004Assignee: Ecolab Inc.Inventors: Rhonda Kay Schulz, Helmut K. Maier
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Patent number: 6664222Abstract: A unit dose wash cycle fabric softening composition for softening or conditioning fabrics in the wash cycle of an automatic washing machine, said unit dose comprising a compacted granular fabric softener composition comprising a softening clay component in an amount sufficient to form a unit dose capable of providing effective softening or conditioning of fabrics in the wash cycle of said washing machine.Type: GrantFiled: June 13, 2002Date of Patent: December 16, 2003Assignee: Colgate-Palmolive Co.Inventors: Hoai-Chau Cao, Alain Gourgue, Alain Jacques, Joseph Reul, Juliette Rousselet, Jeffrey T. Epp, Amjad Farooq, Charles J. Schramm, Jr.
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Patent number: 6664226Abstract: A unit dose laundry composition for softening or conditioning fabrics which is suitable as an additive to the wash cycle of an automatic washing machine, said unit dose composition comprising a compacted granular composition comprising a fabric softener or a fabric conditioner, said compacted granular composition being characterized by having a spherical shape and having no discrete outer layer surrounding said fabric softener or conditioner, which outer layer is comprised of an alkaline material such that the pH of the wash water is increased upon the dissolution of said outer layer in said wash water.Type: GrantFiled: January 22, 2002Date of Patent: December 16, 2003Assignee: Colgate-Palmolive CoInventors: Alain Jacques, Juliette Rousselet, Hoai-Chau Cao
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Patent number: 6664225Abstract: A single-dose quick dissolving cleansing agent, also with preventing and treating activity for disorders and diseases in human beings and animals, wherein the agent comprises a surfactant, a first and second disintegrating agents combined for causing a sudden disintegration and dissolution of the agent upon contacting the agent with a liquid medium, an agglutinating agent, a phyto-therapeutic extract providing the preventing and treating activity, and bactericide, essences and colorants.Type: GrantFiled: January 10, 2003Date of Patent: December 16, 2003Inventor: Jose Alejandro Mumoli
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Patent number: 6660704Abstract: Composition for use in a washing machine, characterized by a basic composition evolving its function essentially in the main washing cycle of the washing machine and in the form of a tablet, and at least one particle with at least one core comprising at least one substance evolving its function essentially in the rinsing cycles, and a covering substantially completely surrounding the core or cores comprising at least one compound, whose solubility increases with decreasing concentration of a specific ion in the surrounding medium, the at least one particle being placed in or on the tablet in such a way that the surface of the particle or particles is at the most in partial direct contact with the surface of the basic composition surrounding the same and the concentration of the specific ion in the local environment of the particle or particles is sufficiently high up to a substantially complete dissolving of the tablet in order to prevent a substantial dissolving of the covering or a substantial detachment ofType: GrantFiled: October 27, 2000Date of Patent: December 9, 2003Assignee: Reckitt Benckiser N.V.Inventors: Guido Waschenbach, Ralf Wiedemann, Enric Carbonell, Antonio Cordellina, Manuela Bosco, Giorgio Franzolin, Joan Clotet, Dora Zamuner, Paul W. Robinson
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Patent number: 6649586Abstract: The invention relates to a highly alkaline or mildly alkaline detergent composition having enhanced cleaning properties. The detergent combines a source of alkalinity and a blend of nonionic surfactants that enhances cleaning starchy soils. The blend of nonionic surfactants preferably includes an alkyl polyglycoside surfactant and a silicon surfactant having a hydrophobic silicon group and a pendant hydrophilic group. Preferably, the blend of nonionic surfactants includes a surfactant having a hydrophobic group and an ethylene oxide residue containing group and a polymer additive. A method for removing soil from an article is provided.Type: GrantFiled: January 30, 2003Date of Patent: November 18, 2003Assignee: Ecolab Inc.Inventors: Victor F. Man, Terrence P. Everson, Steven E. Lentsch
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Patent number: 6645931Abstract: 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.Type: GrantFiled: June 15, 2000Date of Patent: November 11, 2003Assignee: Kao CorporationInventors: Yuhki Yanagisawa, Nobuyoshi Yamaguchi, Shu Yamaguchi, Hitoshi Takaya, Hiroyuki Yamashita
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Publication number: 20030162680Abstract: The invention provides a tablet of a compacted particulate composition for use in fabric washing which contains detergent-active, detergency builder and other ingredients, characterized in that the tablet contains:Type: ApplicationFiled: June 17, 2002Publication date: August 28, 2003Applicant: Unilever Home and Personal Care, Division of Conopco, Inc.Inventors: Mirjam Sta, Ronaldus Wilhelmus Westerhout
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Patent number: 6608023Abstract: A solid block detergent composition is described which can be dispensed with a water spray to form an aqueous detergent for cutting and removing grease, removing and suspending soils and rinsing easily leaving cleaned ware. The aqueous detergent concentrate can be used in a cleaning liquid having exceptional soil, particularly grease removing properties with stable foam properties. The solid block detergent contains a package of surfactants including a neutralized anionic surfactant with either one or a mixture of an alkali and alkaline earth metal salt thereof and an alkylpolyglycoside. The active ingredients and polyethylene glycol as a hardening agent are dispersed in a matrix which hardens to form a solid block.Type: GrantFiled: February 6, 2002Date of Patent: August 19, 2003Assignee: Ecolab Inc.Inventors: Karen G. Klaers, Helen B. Bailly
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Patent number: 6589932Abstract: A multi-phase detergent tablet for use in a washing machine, the tablet comprising: a) a first phase in the form of a shaped body having at least one mould therein; and b) a second phase in the form of a particulate solid compressed within the mould. The multi-phase tablets provide improved dissolution and cleaning characteristics together with excellent tablet integrity and strength.Type: GrantFiled: January 17, 2001Date of Patent: July 8, 2003Assignee: The Procter & Gamble CompanyInventors: Patrizio Ricci, Brenda Frances Bennie, Christopher James Binder
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Patent number: 6586386Abstract: A tablet of compacted particulate cleaning composition, wherein the tablet or a discrete region thereof contains surfactant and detergency builder, characterized by containing about 1-10% by wt. of a composite disintegrant blend comprising, by weight, (a) about 40-70% of a water soluble salt, (b) about 30-60% of a mixture of about 10-90% of cellulosic material and 90-10% of crosslinked polyvinylpyrrolidone, the tablet having a disintegration rate of at least 100 g/min.Type: GrantFiled: October 26, 2001Date of Patent: July 1, 2003Assignee: ISP Investments Inc.Inventors: Bala Srinivas, Purvita Patel
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Patent number: 6566317Abstract: A process for inhibiting gel formation of a tablet-form detergent composition upon hydration, the process involving: (a) providing a detergent composition containing a surfactant component selected from the group consisting of an anionic surfactant, a nonionic surfactant, and mixtures thereof; (b) providing an anti-gelling agent selected from the group consisting of an alkyl polyglycoside, a polymeric surfactant, an alkyl sulfate, and mixtures thereof; and (c) mixing the surfactant with the anti-gelling prior to introducing the tablet-form detergent composition into water.Type: GrantFiled: April 10, 2001Date of Patent: May 20, 2003Assignee: Cognis CorporationInventors: Timothy C. Morris, Robert J. Valesky, Stephen F. Gross, Charles B. Allen
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Publication number: 20030087784Abstract: The present invention relates to a multi-compartment pouch made from a water-soluble film and having at least two compartments, said multi-compartment pouch comprises a composition comprising a solid component and a liquid component, wherein at least one compartment comprises a solid component and at least one compartment comprises a liquid component.Type: ApplicationFiled: October 24, 2002Publication date: May 8, 2003Applicant: The Procter & Gamble CompanyInventors: Nigel Patrick Somervile-Roberts, Bruno Matthieu Dasque, Thomas John Pounds
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Publication number: 20030087783Abstract: The present invention relates to a multi-compartment pouch made from a water-soluble film and having at least two compartments, said multi-compartment pouch comprises a composition comprising a solid component and a liquid component, wherein one compartment comprises the solid component and another compartment comprises the liquid component.Type: ApplicationFiled: October 23, 2002Publication date: May 8, 2003Applicant: The Procter & Gamble CompanyInventors: Nigel Patrick Somerville-Roberts, Bruno Matthieu Dasque, Thomas John Pounds
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Patent number: 6559115Abstract: The present invention relates to a tablet formed by compressing a particulate material, the particulate material comprising a surfactant and a highly soluble compound, the highly soluble compound having a cohesive effect on the particulate material. In a further aspect of the invention there is provided a method of preparing an aqueous solution of a laundry detergent for use in a washing machine, wherein the aqueous solution of laundry detergent is formed by dissolving in water a tablet formed by compressing a particulate material, the tablet comprising a surfactant and a highly soluble compound, the highly soluble compound having a cohesive effect on the particulate material.Type: GrantFiled: December 20, 2000Date of Patent: May 6, 2003Assignee: The Procter & Gamble CompanyInventors: Eric Tcheou, Jose Luis Vega, Jean Wevers
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Patent number: 6551982Abstract: A multi-phase detergent tablet for use in a washing machine, the tablet comprising: a) a first phase in the form of a shaped body having at least one mould therein; and b) a second phase in the form of a compressed body adhesively contained within the mould, wherein the tablet composition comprises one or more detergent actives which is predominantly concentrated in the second phase, and wherein the second phase additionally comprises a binder. The multi-phase tablets provide improved dissolution and cleaning characteristics together with excellent tablet integrity and strength.Type: GrantFiled: January 17, 2001Date of Patent: April 22, 2003Assignee: Procter & Gamble CompanyInventors: Patrizio Ricci, Brenda Frances Bennie, Christopher James Binder
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Patent number: 6551981Abstract: A multi-phase detergent tablet for use in a washing machine, the tablet comprising: a) a first phase in the form of a shaped body having at least one mould therein; and b) a second phase in the form of a particulate solid compressed within the mould. The multi-phase tablets provide improved dissolution and cleaning characteristics together with excellent tablet integrity and strength.Type: GrantFiled: January 17, 2001Date of Patent: April 22, 2003Inventors: Patrizio Ricci, Brenda Frances Bennie, Christopher James Binder, Valerio Del Duca, Andrea Esposito
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Patent number: 6548473Abstract: A detergent tablet comprising i) a compressed solid body portion having therein at least one mould in said compressed solid body portion; and ii) at least one non-compressed, non-encapsulating portion mounted in said at least one mould of said compressed solid body portion, having an area of B, said at least one non-compressed, non-encapulating portion comprising at least one detergent active; wherein surface area of said detergent tablet, excluding area of said at least one mould, is A; and wherein further ratio of B to A is from about 1:50 to about 4:1, by area.Type: GrantFiled: November 21, 2000Date of Patent: April 15, 2003Assignee: The Procter & Gamble CompanyInventors: Christiaan Arthur Jacques Kamiel Thoen, William Michael Scheper, Jeffrey Donald Painter, Xiaoqing Song
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Patent number: 6544943Abstract: A multi-phase detergent tablet comprising: a) a first phase in the form of a shaped body having at least one mould therein; and b) a second phase in the form of a compressed, body adhesively contained within the mould, wherein the tablet composition comprises one or more detergent actives which is predominantly concentrated in the second phase, and wherein the second phase additionally comprises a disrupting agent. The multi-phases tablets provide improved dissolution and cleaning characteristics together with excellent tablet integrity and strength.Type: GrantFiled: January 17, 2001Date of Patent: April 8, 2003Assignee: Procter & Gamble CompanyInventors: Patrizio Ricci, Brenda Frances Bennie, Christopher James Binder
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Patent number: 6544944Abstract: A multi-phase detergent tablet comprising: a) a first phase in the form of a shaped body having at least one mould therein; and b) a second phase in the form of a compressed body adhesively contained within the mould, and wherein the second phase comprises an enzyme. The multi-phase tablets provide improved dissolution and cleaning characteristics together with excellent tablet integrity and strength.Type: GrantFiled: January 17, 2001Date of Patent: April 8, 2003Assignee: Procter & Gamble CompanyInventors: Patrizio Ricci, Brenda Frances Bennie, Christopher James Binder
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Patent number: 6541441Abstract: The invention provides a single-dose soap for use only once, as a disposable soap unit, the soap unit having a high solubility in order to be quickly dissolved during a washing operation, the soap unit comprising lauryl sodium sulfate, a first hydrophilic disintegrating agent, an agglutinating agent, and a second hydrophilic disintegrating agent for causing a sudden disintegration and dissolution of the soap when contacting with a liquid for the washing operation. The invention also provides a method for manufacturing the soap unit.Type: GrantFiled: November 29, 2000Date of Patent: April 1, 2003Inventor: Jose Alejandro Mumoli
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Patent number: 6534473Abstract: Detergent tablets for use in fabric washing are made by mixing: (i) particles which contain non-soap organic surfactant and other materials, especially detergency builder, with (ii) material which is other than soap or organic surfactant and which has a solubility in water of at least 10 gm/liter at 20° C., followed by compacting the mixture into a tablet or a region of a tablet using an applied pressure in a range from 3.0 to 35 MPa. Such a pressure, used with the specified mixture, leads to tablets with good strength which also disintegrates with satisfactory speed.Type: GrantFiled: October 2, 2000Date of Patent: March 18, 2003Assignee: Unilever Patent Holdings BVInventors: Peter Willem Appel, Jelles Vincent Boskamp, James William Gordon, Marcel Van der Kraan, Edwin Leo Lempers, Henning Wagner
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Publication number: 20030050208Abstract: The present invention relates to a package which comprises a substrate and one or more fabric treatment chemicals, wherein the fabric treatment chemicals are released from the substrate through the action of temperature, friction and/or contact with water.Type: ApplicationFiled: October 23, 2002Publication date: March 13, 2003Applicant: The Procter & Gamble CompanyInventors: Jacky Pierre Duquet, Jose Luis Vega, Jean Wevers
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Publication number: 20030050209Abstract: This invention relates to a multi-compartment pouch obtainable by a process of closing an open compartment with a pre-sealed compartment. Said multi-compartment pouch preferably comprises a composition and is for use in automatic-washing or hand-washing applications.Type: ApplicationFiled: October 24, 2002Publication date: March 13, 2003Applicant: The Procter & Gamble CompanyInventors: Kristin Nicole Perkis, Gregory Martin Gressel, Mark Anthony Manion, Nigel Patrick Somerville-Roberts