Patents by Inventor Jean-Paul Lecomte
Jean-Paul Lecomte has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240101487Abstract: The present invention provides a storage stable silicon-containing powder composition suitable for use in dry mix compositions containing cement and filler suitable as cement-based tile adhesives, the powder composition comprising (i) a water redispersible polymer powder (RDP); and, (ii) a granular composition of (a) a silicate carrier, (b) a polydiorganosiloxane, (c) a hydrolysable silane containing a C4 to C12 alkyl group, or an oligomer thereof, and (d) a polymer encapsulant for the hydrolysable silane and the polydiorganosiloxane, wherein the weight ratio of the total RDP to the total weight of granular composition ranges from 90:10 to 98:2. The present invention provides methods of using dry mixes as cement-based tile adhesives wherein the powder composition enables good open time and excellent tensile adhesion, especially after heat aging.Type: ApplicationFiled: April 13, 2022Publication date: March 28, 2024Inventors: Elodie Hablot, Margarita Perello, Jean-Paul Lecomte
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Publication number: 20230416148Abstract: A composition contains a mixture of an inorganic binder and alkyl-modified silsesquioxane resin particles, where the alkyl-modified silsesquioxane resin particles are distributed throughout the inorganic binder and have an average particle size in a range of 20 to 200 nanometers as determined by dynamic light scattering.Type: ApplicationFiled: February 11, 2022Publication date: December 28, 2023Inventors: Steven Swier, Jean-Paul Lecomte, Frederick Campeol
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AQUEOUS ACRYLIC TEXTURED LAYER FORMING COMPOSITIONS USEFUL AS TOP COATS FOR SYNTHETIC SPORT SURFACES
Publication number: 20230167330Abstract: The present invention provides two-component aqueous textured layer forming compositions useful for forming flexible top coat layers for sports surfaces. The compositions comprise vulcanized or crosslinked rubber granules, for example, EPDM rubber, a soft:hard acrylic emulsion copolymer blend in a solids weight ratio to vulcanized or crosslinked rubber granule solids that ranges from less than 1:4 to 1:9, a polyalkylene oxide rheology modifier, one or more high boiling alcohols and, as a separate component, an aqueous dispersion of an aliphatic polyisocyanate as well as an epoxy silane. The vulcanized or crosslinked rubber granules may have a sieve particle size of 8 mm or less. The inventive top coat layers have enhanced tensile strength and elongation as well as improved pot life and color stability.Type: ApplicationFiled: July 23, 2021Publication date: June 1, 2023Inventors: Jouko Vyorykka, Sophie Hauswalt-Grolieres, Adrian J. Birch, Robert Baumann, Jean-Paul Lecomte -
Publication number: 20210395557Abstract: The present disclosure provides for an aqueous coating composition to coat and form a film on porous construction materials to help in controlling efflorescence in the porous construction materials. The aqueous coating composition includes a binder having an acrylic polymer in an acrylic polymer waterborne dispersion, wherein the acrylic polymer has a glass transition temperature (Tg) of 1° C. to 60° C.; and an alkoxy silane coalescing agent in a waterborne silane coalescing emulsion. The aqueous coating composition optionally further includes an additive selected from the group consisting of a pigment, a filler and combinations thereof. In one embodiment, the alkoxy silane coalescing agent provides the only coalescing agent for the acrylic polymer waterborne dispersion in the aqueous coating composition.Type: ApplicationFiled: September 23, 2019Publication date: December 23, 2021Applicants: Dow Global Technologies LLC, Dow Silicones CorporationInventors: Beatriz C. Ma, Jean-Paul Lecomte, Jouko Vyoerykkae, Sabrina Salvati
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Publication number: 20180281025Abstract: A process for washing a substrate. The process involves providing a detergent composition that includes a surfactant and an antifoam. The antifoam comprises a hydrophobic fluid having a surface tension of at least 27 mN/m and less than 40 mN/m and a finely divided solid hydrophobic filler dispersed in the hydrophobic fluid. The process further involves washing the substrate in an aqueous medium with the detergent composition. The antifoam does not affect foaming during the washing step. During the washing step, the detergent composition is applied to the substrate. The process further involves rinsing the substrate with the applied detergent composition with water, whereby foaming during the rinsing step is inhibited.Type: ApplicationFiled: May 25, 2018Publication date: October 4, 2018Inventors: Pascal DELBRASSINNE, Laurence GALLEZ, Mathilde GUETTE, Jean-Paul LECOMTE
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Patent number: 10005110Abstract: A process for washing a substrate. The process involves providing a detergent composition that includes a surfactant and an antifoam. The antifoam comprises a hydrophobic fluid having a surface tension of at least 27 mN/m and less than 40 mN/m and a finely divided solid hydrophobic filler dispersed in the hydrophobic fluid. The process further involves washing the substrate in an aqueous medium with the detergent composition. The antifoam does not affect foaming during the washing step. During the washing step, the detergent composition is applied to the substrate. The process further involves rinsing the substrate with the applied detergent composition with water, whereby foaming during the rinsing step is inhibited.Type: GrantFiled: February 16, 2012Date of Patent: June 26, 2018Assignee: DOW SILICONES CORPORATIONInventors: Pascal Delbrassinne, Laurence Gallez, Mathilde Guette, Jean-Paul Lecomte
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Patent number: 9758431Abstract: A process for increasing the hydrophobicity of a porous product by treating the product, or a composition providing for the product, with a water repellent material, characterized in that the porous product or a composition providing the product, is treated with an aqueous suspension of microcapsules where the microcapsules comprise a water repellent organosilicon core material selected from an organosilane, a partially condensed organosilane and a branched siloxane resin, and a shell of a silicon-based network polymer comprising silica units.Type: GrantFiled: May 2, 2013Date of Patent: September 12, 2017Assignee: Dow Corning CorporationInventors: Frederick Campeol, Fabrizio Galeone, Jean-Paul Lecomte, Leon Marteaux, Marie-Jose Sarrazin, Brett Zimmerman
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Patent number: 9056793Abstract: The present invention relates to hydrophobic gypsum and to a process for making gypsum hydrophobic, in particular it relates to a powdered hydrophobing additive, a hydrophobic gypsum composition and method for preparing same using granules containing organosilicon compounds as hydrophobing additives. The invention provides a granulated additive for rendering gypsum material hydrophobic, comprising a particulate carrier on which is deposited an organosilicon component, a binder polymer and an emulsifier for the organosilicon component. Such a granulated hydrophobic additive is able to provide a high initial hydrophobicity to gypsum materials to which it is applied and that the obtained hydrophobicity can last during a long period of time.Type: GrantFiled: November 27, 2013Date of Patent: June 16, 2015Assignee: Dow Corning CorporationInventors: Laurence Gallez, Jean-Paul Lecomte, Marie-Jose Sarrazin, Marc Thibaut
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Publication number: 20150125612Abstract: A process for increasing the hydrophobicity of a porous product by treating the product, or a composition providing for the product, with a water repellent material, characterised in that the porous product or a composition providing the product, is treated with an aqueous suspension of microcapsules where the microcapsules comprise a water repellent organosilicon core material selected from an organosilane, a partially condensed organosilane and a branched siloxane resin, and a shell of a silicon-based network polymer comprising silica units.Type: ApplicationFiled: May 2, 2013Publication date: May 7, 2015Inventors: Frederick Campeol, Fabrizio Galeone, Jean-Paul Lecomte, Leon Marteaux, Marie-Jose Sarrazin, Brett Zimmerman
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Patent number: 8754146Abstract: Antimicrobial granules comprise carrier particles agglomerated by a binding agent containing a quaternary ammonium organosilane.Type: GrantFiled: August 13, 2010Date of Patent: June 17, 2014Assignee: Dow Corning CorporationInventors: Nicoias Ziolkowski, Jean-Paul Lecomte, Nathalie Wauthier, Veronique Verhelst, Flore Vandemeulebroucke
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Publication number: 20140142215Abstract: The present invention relates to hydrophobic gypsum and to a process for making gypsum hydrophobic, in particular it relates to a powdered hydrophobing additive, a hydrophobic gypsum composition and method for preparing same using granules containing organosilicon compounds as hydrophobing additives. The invention provides a granulated additive for rendering gypsum material hydrophobic, comprising a particulate carrier on which is deposited an organosilicon component, a binder polymer and an emulsifier for the organosilicon component. Such a granulated hydrophobic additive is able to provide a high initial hydrophobicity to gypsum materials to which it is applied and that the obtained hydrophobicity can last during a long period of time.Type: ApplicationFiled: November 27, 2013Publication date: May 22, 2014Applicant: Dow Corning CorporationInventors: Laurence GALLEZ, Jean-Paul LECOMTE, Marie-Jose SARRAZIN, Marc THIBAUT
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Patent number: 8691880Abstract: A non-aqueous silicone emulsion is provided. It comprises a continuous phase of a polar organic liquid containing droplets of an organopolysiloxane dispersed therein. An organic wax, which has a melting point in the range 40 to 100° C. and is sparingly soluble in the polar organic liquid at 25° C., is dispersed in the polar organic liquid continuous phase as a network of interconnected particles which stabilizes the organopolysiloxane droplets in emulsion in the polar organic liquid. A process for the production of the emulsion is also disclosed.Type: GrantFiled: December 21, 2009Date of Patent: April 8, 2014Assignee: Dow Corning CorporationInventors: Severine Cauvin, Anick Colson, Tatiana Dimitrova, Jean-Paul Lecomte
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Patent number: 8674031Abstract: The present invention provides a water- and oil-repellent soil-resistant composition comprising (A) a fluorine-containing polymer having repeating units derived from a monomer comprising a fluorine-containing monomer and (B) a silane compound. The water- and oil-repellent soil-resistant composition comprising the fluorine-containing acrylate polymer can impart the excellent water- and oil-repellency and soil resistance to the porous substrate and is free from an organic solvent.Type: GrantFiled: November 10, 2009Date of Patent: March 18, 2014Assignees: Daikin Industries, Ltd., Dow Corning CorporationInventors: Akihiko Ueda, Yasuo Itami, Tetsuya Masutani, Peter Cheshire Hupfield, Janet Smith, Jean-Paul Lecomte
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Publication number: 20130327364Abstract: A process for washing a substrate. The process involves providing a detergent composition that includes a surfactant and an antifoam. The antifoam comprises a hydrophobic fluid having a surface tension of at least 27 mN/m and less than 40 mN/m and a finely divided solid hydrophobic filler dispersed in the hydrophobic fluid. The process further involves washing the substrate in an aqueous medium with the detergent composition. The antifoam does not affect foaming during the washing step. During the washing step, the detergent composition is applied to the substrate. The process further involves rinsing the substrate with the applied detergent composition with water, whereby foaming during the rinsing step is inhibited.Type: ApplicationFiled: February 16, 2012Publication date: December 12, 2013Applicant: DOW CORNING CORPORATIONInventors: Pascal Delbrassinne, Laurence Gallez, Mathilde Guette, Jean-Paul Lecomte
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Publication number: 20130309498Abstract: A granulated product comprises a liquid organosilicon compound supported on a particulate carrier which is agglomerated into granules by a binder. A process for the production of a granulated product comprises depositing an organosilicon compound and a binder in a liquid state on a particulate carrier and subjecting the carrier thus treated to conditions in which the binder is solidified, thereby agglomerating carrier particles into granules. The particulate carrier is anhydrous sodium sulfate of mean particle size 1 to 40 ?m.Type: ApplicationFiled: December 9, 2011Publication date: November 21, 2013Applicant: Dow Corning CorporationInventors: Sung-Hsuen Chao, Alain Hilberer, Jean-Paul Lecomte, Stephane Lecomte, Marc Thibaut
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Publication number: 20120196953Abstract: Antimicrobial granules comprise carrier particles agglomerated by a binding agent containing a quaternary ammonium organosilane.Type: ApplicationFiled: August 13, 2010Publication date: August 2, 2012Inventors: Nicoias Ziolkowski, Jean-Paul Lecomte, Nathalie Wauthier, Veronique Verhelst, Flore Vandemeulebroucke
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Publication number: 20110306713Abstract: The present invention provides a water- and oil-repellent soil-resistant composition comprising (A) a fluorine-containing polymer having repeating units derived from a monomer comprising a fluorine-containing monomer and (B) a silane compound. The water- and oil-repellent soil-resistant composition comprising the fluorine-containing acrylate polymer can impart the excellent water- and oil-repellency and soil resistance to the porous substrate and is free from an organic solvent.Type: ApplicationFiled: November 10, 2009Publication date: December 15, 2011Applicants: DOW CORNING CORPORATION, DAIKIN INDUSTRIES, LTD.Inventors: Akihiko Ueda, Yasuo Itami, Tetsuya Masutani, Peter Cheshire Hupfield, Janet Smith, Jean-Paul Lecomte
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Publication number: 20110166256Abstract: The present invention relates to hydrophobic gypsum and to a process for making gypsum hydrophobic, in particular it relates to a powdered hydrophobing additive, a hydrophobic gypsum composition and method for preparing same using granules containing organosilicon compounds as hydrophobing additives. The invention provides a granulated additive for rendering gypsum material hydrophobic, comprising a particulate carrier on which is deposited an organosilicon component, a binder polymer and an emulsifier for the organosilicon component. Such a granulated hydrophobic additive is able to provide a high initial hydrophobicity to gypsum materials to which it is applied and that the obtained hydrophobicity can last during a long period of time.Type: ApplicationFiled: May 26, 2009Publication date: July 7, 2011Inventors: Laurence Gallez, Jean-Paul Lecomte, Marie-Jose Sarrazin, Marc Thibaut
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Publication number: 20100143421Abstract: A process for the production of water-containing silicone rubber device comprising the steps of mixing an external phase comprising an organopolysiloxane polymer having at least two reactive groups per molecule, a water in oil emulsifier and where required one or more active ingredients and/or optional additives; with an internal phase comprising water and optionally one or more active ingredients to form an emulsion; and subsequently introducing a cure package comprising a cure package comprising a suitable catalyst, which will be determined by the cure reaction between the polymer and where required a cross-linker, and which contains more than two reactive groups, designed to react with the reactive groups in the polymer in the presence of said catalyst in order to cure the external phase of the composition, thereby entrapping the water within the body of said water-containing silicone rubber device.Type: ApplicationFiled: April 10, 2007Publication date: June 10, 2010Inventors: Isabelle Van Reeth, Virginie Caprasse, Xavier Thomas, Jean-Paul Lecomte, Benedicte Courel, Esternia Schirosi
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Publication number: 20070275122Abstract: Foam is controlled by the addition of a hydroxy-functional polydiorganosiloxane of viscosity 10 to 150 mPa·s during a fermentation process such as an aqueous alcoholic fermentation process, or during other fermentation systems and proteinaceous systems such as sugar beet processing.Type: ApplicationFiled: October 21, 2004Publication date: November 29, 2007Inventors: Henrique Cazaroto, Jean-Paul Lecomte, Takahiro Miura, Marcel Rius