Patents Examined by Kelechi Egwim
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Patent number: 9840574Abstract: A process is provided for preparing a branched conjugated diene polymer with a molecular weight distribution Mw/Mn of at least 1.1, by anionic polymerization, comprising the following reaction steps: a) polymerizing a mixture of monomers comprising at least one conjugated diene and optionally one or more monoalkenyl arene compounds in the presence of an anionic initiator to form a living polymer; b) terminating the polymerization; and c) optionally functionalizing and/or hydrogenating the polymer so produced, wherein the mixture of monomers comprises an alpha,omega-bis(vinylphenyl)alkane as comonomer. The invention further relates to the polymer so obtained, a latex prepared therefrom, the latex, and articles made from the latex.Type: GrantFiled: May 14, 2015Date of Patent: December 12, 2017Assignee: Kraton Polymers U.S. LLCInventor: Adriaan Albert van der Huizen
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Patent number: 9815235Abstract: Disclosed is a composition having: a diphthalonitrile compound having at least two phthalonitrile groups; a reactive plasticizer; and an amine curing agent. Also disclosed is a composition having: a diphthalonitrile compound having at least two phthalonitrile groups; a nonreactive plasticizer; and an amine curing agent. Also disclosed is a method of: providing a composition having a phthalonitrile compound; heating the composition to a processing temperature until the composition has a viscosity of 30-40 Pa·s at the processing temperature to form a partially cured composition; placing the partially cured composition into a material chamber of an extrusion machine; heating the partially cured composition and the material chamber to within 10° C. of the processing temperature; and extruding fiber from the extrusion machine.Type: GrantFiled: September 15, 2016Date of Patent: November 14, 2017Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Teddy M. Keller, Matthew Laskoski, Andrew P. Saab
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Patent number: 9790289Abstract: The present invention is directed to a functionalized elastomer comprising the reaction product of a living elastomeric polymer and a polymerization terminator of formula I, wherein the functionalized elastomer comprises repeat units of a diene monomer and optionally a vinyl aromatic monomer, and the functionalized elastomer comprises at least 92 percent by weight of cis 1,4 microstructure content based on the weight of the polydiene content of the functionalized elastomer wherein R1 is C1 to C4 linear alkyl, or C1 to C4 branched alkanediyl; X1, X2, X3 are independently O, S, or a group of formula (II) or (III) where R2 is C1 to C18 linear or branched alkyl; Z is R3, —OR4, or —R5—X4; R3, R4 are independently C1 to C18 linear or branched alkyl; R5 is C1 to C18 alkanediyl or dialkyl ether diyl; X4 is halogen or a group of structure IV, V, VI, VII or VIII wherein R6, R7, R8, R9, and R10 are independently H or C1 to C8 alkyl; R11 is C2 to C8 alkanediyl; R12 and R13 are independenType: GrantFiled: August 30, 2016Date of Patent: October 17, 2017Assignee: The Goodyear Tire & Rubber CompanyInventors: Liqing Ma, Margaret McGuigen Vielhaber
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Patent number: 9758637Abstract: Plasticizer blends comprise a triblend of diethylene glycol dibenzoate, dipropylene glycol dibenzoate, and 1,2-propylene glycol dibenzoate, in specified ratios, useful in combination with a multitude of thermoplastic polymers, thermosetting polymers, and elastomeric polymers and numerous applications, including but not limited to plastisols, adhesives, sealants, caulks, architectural coatings, industrial coatings, OEM coatings, inks, overprint varnishes, polishes, and the like. The advantages rendered by the use of the triblend depend on the type of polymer and application in which it is utilized and include among other advantages higher solvating power and lower processing time, low VOC's, reduced plasticizer freeze point, improved gelation and fusion characteristics, higher tensile strength, superior stain and extraction resistance, and improved rheology over traditional diblends of diethylene glycol dibenzoate and dipropylene glycol dibenzoate.Type: GrantFiled: October 30, 2015Date of Patent: September 12, 2017Assignee: EMERALD KALAMA CHEMICAL, INC.Inventors: William D. Arendt, Emily McBride
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Patent number: 9758663Abstract: The objective of the present invention is to provide a thermoplastic resin powder that suppresses a decrease in fluidity of a composition during melt molding and that has a suppressed alteration of the resin resulting from retention. The thermoplastic resin powder is obtained by coagulating a polymer from a latex produced by means of emulsion polymerization of a monomer, the content of metal-corroding free acids in the thermoplastic resin powder is no greater than 500 ppm, and the thermoplastic resin powder satisfies a predetermined formula (1).Type: GrantFiled: January 6, 2014Date of Patent: September 12, 2017Assignee: Mitsubishi Chemical CorporationInventors: Fuminori Nakaya, Junichi Abe
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Patent number: 9738772Abstract: A mineral filler in a flame-retardant organic polymer composition comprising a calcium compound for a fire-resistant effect characterized in that said calcium compound comprises at least calcium hydroxide, use of same and the combustion residue obtained therefrom, and polymer sheaths for electrical cables containing the mineral filler in the flame-retardant polymer composition.Type: GrantFiled: July 12, 2013Date of Patent: August 22, 2017Assignee: S.A. Lhoist Recherche et DeveloppementInventors: Marion Lorgouilloux, Didier Lesueur, Philippe Dubois, Fouad Laoutid, Leila Bonnaud
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Patent number: 9688806Abstract: The present invention is related to a new method to produce natural water-based glues made of two components, designed to glue lignocellulosic surfaces, mainly cork and wood. The mentioned process comprises the extraction of the aqueous phase of a mixture resulting from liquefying cork dust and/or cork granules, process that is commonly referred to as depolimerization process of cork; evaporation of the aqueous phase, therefore obtaining a first component consisting of a gel composed by the soluble components of the liquefying mixture; mixing and homogenizing of this gel with the second component that consists of a curing aliphatic compound; and, optionally, addition and mixture to “cork dust” to the previously mentioned mix.Type: GrantFiled: September 2, 2014Date of Patent: June 27, 2017Assignees: CORK SUPPLY PORTUGAL, S.A., INSTITUTO SUPERIOR TÉCNICOInventors: João Carlos Moura Bordado, Elisabete Ribeiro Silva, Rui Miguel Galhano Dos Santos Lopes, Maria Margarida Pires Dos Santos Mateus, Ana Cristina De Avelar Lopes Cardoso Mesquita, Maria Do Rosário Melo Costa
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Patent number: 9676929Abstract: Process for polymerizing fluoromonomer to form an aqueous dispersion of fluoropolymer particles including: (a) providing an aqueous medium in a polymerization reactor, (b) adding nucleating additive comprising polyalkylene oxide having a number average molecular weight of about 50 to about 2000 to the aqueous medium in an amount of about 0.1 ppm to about 50 ppm based on water in the aqueous medium, (c) exposing the nucleating additive to oxidizing agent to form a dispersion of oleophilic nucleation sites in the aqueous medium; (d) pressurizing the reactor by adding fluoromonomer, and (e) adding polymerization initiator to the aqueous medium to cause the polymerizing of the fluoromonomer to form fluoropolymer particles dispersed in the aqueous medium.Type: GrantFiled: November 25, 2014Date of Patent: June 13, 2017Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Paul Douglas Brothers, Subhash Vishnu Gangal, Dipti Dilip Khasnis
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Patent number: 9657117Abstract: [Object] To provide a resin composition with excellent mold releasability and blocking resistance. [Solution] A resin composition containing a 4-methyl-1-pentene polymer includes 0.01 to 10 parts by mass of a 4-methyl-1-pentene polymer (B) per 100 parts by mass of at least one resin (A) selected from the group consisting of thermoplastic resins and thermosetting resins, wherein the 4-methyl-1-pentene polymer (B) has (B1) an intrinsic viscosity [?] of 0.01 or more but less than 0.50 dl/g measured at 135° C. in a decalin solvent.Type: GrantFiled: May 9, 2014Date of Patent: May 23, 2017Assignee: MITSUI CHEMICALS, INC.Inventors: Kuniaki Kawabe, Masayoshi Sutou, Toshiyuki Itou, Mai Kurihara, Akinori Etoh, Shinichirou Asao, Kenji Sugimura, Hiroshi Hoya, Koji Matsunaga, Yoji Hayakawa, Kunihiko Mizumoto
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Patent number: 9650507Abstract: Methods for producing protective-colloid-stabilized aqueous dispersions of vinyl ester, polymers having weight-average particle diameters Dw of 120 nm to 1,500 nm and a polydispersity PD<1.6 include radically initiated emulsion polymerizations of one or more vinyl esters and optionally one or more additional ethylenically unsaturated monomers in aqueous medium in the presence of one or more protective colloids, wherein an aqueous mixture containing 0 to 90 grams of one more protective colloids per liter of water is provided to the receiver (concentration (C)), and starting with or after the start of the metered addition of one or more initiators, one or more protective colloids and the total amount of vinyl esters used are added in a metered manner, the emulsion polymerizations being performed in the absence of vinyl halogenides.Type: GrantFiled: April 2, 2013Date of Patent: May 16, 2017Assignee: WACKER CHEMIE AGInventors: Helmut Zecha, Hans-Peter Weitzel
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Patent number: 9611344Abstract: The present invention provides a vinyl alcohol polymer having a mercapto group and having excellent reactivity.Type: GrantFiled: December 25, 2012Date of Patent: April 4, 2017Assignee: KURARAY CO., LTD.Inventors: Takuma Kaneshima, Yusuke Amano, Keisuke Morikawa, Naoki Fujiwara, Kensuke Nagashima, Katsuji Ujita
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Patent number: 9611393Abstract: The present invention is directed to a coating composition or paint comprising a multistage latex with at least first and second stages, wherein the composition or paint is substantially free of volatile organic compounds (VOC) and capable of film formation even in the absence of coalescent agents. The base paint formulation is capable of being tinted at a point-of-sale (i.e. in-store) using a colorant composition of a type and quantity required to produce a paint of desired color and finish. The paints, including deeply colored paints, show improved block resistance, scrub resistance and tack resistance.Type: GrantFiled: May 23, 2014Date of Patent: April 4, 2017Assignee: Valspar Sourcing, Inc.Inventors: Mary Jane Hibben, Nicholas Rebel, Steven Hallberg
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Patent number: 9587330Abstract: Method for manufacturing structural synthetic fibers for concretes and mortars and the synthetic fiber obtained, particularly a polyolefin-based synthetic fiber for use in concretes and mortars with a hydraulic binder as a cementing base for increasing the elastic modulus of the same which comprises the mixture of polyolefin and additives, the formation of threads, a first stretching process, an alternate series of heating-cooling, collecting the threads in coils and stabilization of the polymerization/cross-linking for two days to one week; the threads are subsequently again subjected to one or several re-stretching phases, including the heating-cooling and subsequent stabilization processes if successive re-stretching processes are going to be carried out; lastly a surface etching phase and the cutting of the threads.Type: GrantFiled: July 23, 2014Date of Patent: March 7, 2017Assignee: MYPHOR MATERIALES ESPECIALES, S.L.Inventor: Gabriel Sémelas Ledesma
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Patent number: 9580569Abstract: A rubber composition for a tire for heavy loads of the present technology comprises: diene rubber containing at least 60% by mass of natural rubber; silica; carbon black; and a silane coupling agent. The silane coupling agent is polysiloxane represented by a specific average compositional formula. The content of the silica is from 5 to 50 parts by mass per 100 parts by mass of the diene rubber. The content of the carbon black is from 5 to 40 parts by mass per 100 parts by mass of the diene rubber. The total content of the silica and the carbon black (R) is from 30 to 70 parts by mass per 100 parts by mass of the diene rubber. The content of the silane coupling agent is from 2 to 20% by mass of the silica content.Type: GrantFiled: February 25, 2014Date of Patent: February 28, 2017Assignee: The Yokohama Rubber Co., LTD.Inventors: Ayako Kamahori, Mizuki Takeuchi
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Patent number: 9574020Abstract: The present invention aims to provide a method of producing a fluoropolymer aqueous dispersion having a significantly small particle size and excellent dispersion stability without using a long-chain fluorosurfactant. The present invention relates to a method of producing an aqueous dispersion containing at least one fluoropolymer selected from the group consisting of polytetrafluoroethylene and melt-processible fluororesins excluding polytetrafluoroethylene. The method includes polymerizing a fluoromonomer in an aqueous medium in the presence of a fluorosurfactant having a Log POW value of not higher than 3.4 and a polymerization initiator. The amount of the fluorosurfactant corresponds to 4600 to 500000 ppm of the aqueous medium.Type: GrantFiled: December 2, 2013Date of Patent: February 21, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventor: Yoshinori Nanba
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Patent number: 9562114Abstract: Cyclic carbonate azide having a structure according to the following formula (A) wherein R1-R5 are independently selected from the group consisting of hydrogen, C6-20 aryl, C7-36 aralkyl, and C1-30 alkyl groups; said aryl, aralkyl, and alkyl groups my optionally be substituted with heteroatoms, X is a hydrocarbon moiety having at least one carbon atom, T has the structure —N(R6)— or —O—, R6 is selected from the group consisting of hydrogen and C1-20 alkyl groups, optionally substituted with heteroatoms, k is 0, 1, or 2, m is 0 or 1, n is 0 or 1, p is 1 or 2, Z is an aliphatic or aromatic hydrocarbon moiety having at least one carbon atom, optionally substituted with heteroatoms, and Y is either (B) or C) or (D).Type: GrantFiled: October 31, 2014Date of Patent: February 7, 2017Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Waldo Joseph Elisabeth Beek, Auke Gerardus Talma
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Patent number: 9556330Abstract: A tire tread that comprises a rubber composition based on an elastomer matrix that comprises more than 50% by weight of at least one butyl rubber, on a reinforcing filler and on a plasticizing system that comprises at least one polybutene oil having a glass transition temperature below ?75° C. A tire comprising such a tread has a good compromise between the wet grip performance and the rolling resistance performance.Type: GrantFiled: July 8, 2014Date of Patent: January 31, 2017Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE S.A.Inventors: Nathalie Coste, Guillaume Lemasson, Regis Schach
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Patent number: 9550896Abstract: A variety of molded bodies having high weatherability, impact resistance, designability, and the like, and a polyorganosiloxane latex and a graft copolymer used as the raw materials therefor are provided, where the polyorganosiloxane latex has a mass average particle diameter (Dw) of a polyorganosiloxane particle of 100 to 200 nm, and a ratio of the mass average particle diameter (Dw) to a number average particle diameter (Dn) (Dw/Dn) of 1.0 to 1.7. A polyorganosiloxane-containing vinyl-based copolymer (g) obtained by polymerizing one or more vinyl-based monomers in the presence of the latex. A graft copolymer (G) is obtained by graft polymerizing one or more vinyl-based monomers in the presence of the copolymer. A thermoplastic resin composition includes the graft copolymer (G) and a thermoplastic resin (Ha) except for the graft copolymer (G). A molded body is obtained by molding the resin composition.Type: GrantFiled: January 29, 2016Date of Patent: January 24, 2017Assignees: Mitsubishi Rayon Co., Ltd., UMG ABS, Ltd.Inventors: Ayaka Wakita, Toshihiro Kasai, Hidemichi Kouno, Shigenari Takeda
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Patent number: 9540472Abstract: Disclosed are a modified conjugated diene polymer and a method for preparing the same. The modified conjugated diene polymer and the method for preparing the same advantageously provide superior compatibility with an inorganic filler, heat generation, tensile strength and abrasion resistance, low fuel consumption and excellent resistance on wet roads.Type: GrantFiled: February 4, 2013Date of Patent: January 10, 2017Assignee: LG Chem, Ltd.Inventors: Ro Mi Lee, Sang Mi Lee, Choon Hwa Lee, Byung Hoon Yoon, Jin Young Kim, Moon Seok Chun
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Patent number: 9534073Abstract: Provided is a method for producing a one-component moisture-curing polyurethane composition, the method comprising: a mixing step in which a liquid component (A) containing a polyol compound is mixed with a powder component (B) containing a filler so as to obtain a paste-like mixture of the liquid component (A) and the powder component (B); a dehydration step in which, following the mixing step, at least a portion of the residual moisture in the paste-like mixture is removed; a prepolymer generation step in which a polyisocyanate compound (C) is mixed with the paste-like mixture following the dehydration step so as to obtain a mixture containing a urethane prepolymer generated by a reaction between the polyisocyanate compound (C) and the polyol compound in the paste-like mixture; and a composition generation step in which the mixture is mixed with an aliphatic isocyanate compound (D) so as to obtain a one-component moisture-curing polyurethane composition.Type: GrantFiled: December 6, 2013Date of Patent: January 3, 2017Assignee: The Yokohama Rubber Co., Ltd.Inventors: Miyuki Mori, Hiroshi Fukui, Kiminori Araki, Akio Ikeda