Patents Examined by Robert Loewe
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Patent number: 9018286Abstract: Disclosed herein is a flame retardant composition comprising 20 to 80 weight percent of a polycarbonate composition; where the polycarbonate composition comprises a polysiloxane-carbonate copolymer; an impact modifier in an amount of 0.5 to 25 weight percent; and 1 to 20 weight percent of a phosphazene compound; where all weight percents are based on the total weight of the flame retardant composition. Disclosed herein too is a method comprising blending 20 to 80 weight percent of a polycarbonate composition; where the polycarbonate composition comprises a polysiloxane-carbonate copolymer; an impact modifier in an amount of 0.5 to 25 weight percent; and 1 to 20 weight percent of a phosphazene compound to produce a flame retardant composition; where all weight percents are based on the total weight of the flame retardant composition; and extruding and molding the flame retardant composition.Type: GrantFiled: May 23, 2013Date of Patent: April 28, 2015Assignee: Sabic Global Technologies B.V.Inventors: Vikram Daga, Amit Kulkarni, Wei Zhao
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Patent number: 8258332Abstract: A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer, and reacting the reactive polymer with a halosilane compound containing an amino group.Type: GrantFiled: June 18, 2008Date of Patent: September 4, 2012Assignee: Bridgestone CorporationInventors: Terrence E. Hogan, Steven Luo, Yoichi Ozawa, Junko Matsushita, Ryuji Nakagawa, Eiju Suzuki, Ken Tanaka
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Patent number: 8217113Abstract: Condensation crosslinkable compositions based on organosilicon compounds contain at least one heterocyclic compound A[CR12SiRa(OR2)3-a]x which contains at least one heteroatom from main groups 3 or 5 and is bonded to CR12 through one of these heteroatoms.Type: GrantFiled: July 29, 2008Date of Patent: July 10, 2012Assignee: Wacker Chemie AGInventors: Uwe Scheim, Wolfram Schindler, Peter Schoeley, Volker Stanjek
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Patent number: 8178630Abstract: The present invention relates to a preparation comprising at least one specific oligomeric siloxane component and at least one polymer component, to processes for producing it and to its use in formulations, more particularly metal coating formulations.Type: GrantFiled: July 8, 2008Date of Patent: May 15, 2012Assignee: Evonik Degussa GmbHInventors: Rene Koschabek, Martin Bartmann, Thorsten Brand, Burkhard Standke, Roland Edelmann, Christian Wassmer
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Patent number: 8178616Abstract: An emulsion coating agent composition containing: (A) one hundred parts by weight of an organosilicone resin obtained by hydrolysis and/or condensation of a mixture of a silicone oil having both reactive terminals represented by X—[R2Si—O—]m—R2Si—X (R is selected from monovalent hydrocarbon groups containing one to twenty carbon atoms and/or aryl groups, and each R is same or different groups, X is a hydrolyzable group and/or an OH group, and m is a natural number from three to one hundred), a silane and/or a silicone in which the organosilicone resin containing a continuous linear chain structure indicated by —[R2Si—O—]m+1— (R and m are both identical to the R and m in the formula showing the silicone oil with both reactive terminals), and 5 mole % to 60 mole % of the total Si atoms in the organosilicone resin form the chain-like continuous structure; (B) one part by weight to fifty parts by weight of an emulsifier; and (C) twenty-five parts by weight to two thousand parts by weight of water.Type: GrantFiled: November 28, 2007Date of Patent: May 15, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Masaaki Yamaya, Yoshihito Osawa, Akira Yamamoto
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Patent number: 8178207Abstract: A silicone-based pressure-sensitive adhesive composition comprising (A) a condensation-reaction product obtained by subjecting a diorganopolysiloxane having silanol groups on both molecular terminals and 2 or more silicon-bonded alkenyl groups located in side molecular chains in one molecule (a) and organopolysiloxane resin having one or more hydrolyzable groups in one molecule (b) to a condensation reaction in the presence of catalyst (c), (B) an organohydrogenpolysiloxane, (C) a diorganopolysiloxane having silicon-bonded alkenyl groups on both molecular terminals, (D) an organopolysiloxane resin and (E) a platinum catalyst.Type: GrantFiled: December 20, 2007Date of Patent: May 15, 2012Assignee: Dow Corning Toray Company, Ltd.Inventors: Haruna Mizuno, Seiji Hori, Takateru Yamada
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Patent number: 8177943Abstract: The invention is directed to mixtures of polysilanes macroscopically solid at ambient temperature wherein the individual components of the composition SinH2n and/or SinH2n+2 of which decompose before they are boiling at an applied process pressure and which are produced from the hydrogenation of plasmachemically generated largely chlorinated polysilane mixtures. These mixtures of polysilanes are especially suited to be applied onto surfaces as solutions or dispersions and to obtain silicon-based structures or layers in subsequent process steps. Furthermore, they are especially safe in handling and can be additionally made up into transport forms in suitable transport containers.Type: GrantFiled: March 12, 2009Date of Patent: May 15, 2012Assignee: Spawnt Private S.A.R.L.Inventors: Norbert Auner, Sven Holl, Christian Bauch, Gerd Lippold, Rumen Deltschew
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Patent number: 8172378Abstract: The present invention relates to a carbon black inkjet ink having improved printhead idle time and start up in order to substantially maintain, un-interrupted printing with better nozzle jetting. The inkjet ink includes a non-ionic silicone surfactant, a polymeric dispersant, and two or more humectants.Type: GrantFiled: May 8, 2009Date of Patent: May 8, 2012Assignee: Lexmark International, Inc.Inventor: Xiaorong Cai
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Patent number: 8173053Abstract: A white heat-curable silicone resin composition comprising (A) a heat-curable organopolysiloxane, (B) a white pigment, (C) an inorganic filler, and (D) a condensation catalyst cures into a white uniform product having heat resistance, light resistance and minimal yellowing. The cured composition has a thermal conductivity of 1-10 W/mK. The composition is useful for forming cases on optoelectronic parts, typically LED.Type: GrantFiled: June 8, 2009Date of Patent: May 8, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yusuke Taguchi, Junichi Sawada
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Patent number: 8168739Abstract: The present invention has an object to provide a polysiloxane which is a liquid substance having low viscosity, is excellent in curing workability, and has excellent heat resistance in an obtained cured material, and to a production method of a cured material using the polysiloxane. Specifically disclosed is a polysiloxane which is obtained by hydrolysis and polycondensation of a silicon compound having three hydrolyzable groups, a silicon compound having two hydrolyzable groups and a silicon compound having one hydrolyzable group, and is characterized by containing a hydrosilylatable carbon-carbon unsaturated group, a hydrosilyl group and an alkoxysilyl group, and having a number average molecular weight of 500 to 20,000.Type: GrantFiled: November 13, 2008Date of Patent: May 1, 2012Assignee: Toagosei Co., Ltd.Inventors: Akinori Kitamura, Hiroshi Suzuki
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Patent number: 8168740Abstract: Process for producing an organosiloxane polymer and novel organosiloxane polymer compositions. The process according to the invention comprises hydrolyzing tetraalkoxysilane monomers in a hydrolysis step; and polymerizing said hydrolyzed monomers in a polymerization step by subjecting them to conditions conducive to polymerization to form an organosiloxane polymer. The hydrolysis step is conducted in a reaction medium comprising an organic compound with hydroxy groups. The invention allows for the synthesis of siloxane polymer compositions suitable for thin-film applications using a high content of tetra- and trifunctional silixane polymer precursors.Type: GrantFiled: February 26, 2008Date of Patent: May 1, 2012Assignee: Braggone OyInventor: Ari Kärkkäinen
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Patent number: 8158981Abstract: The present invention provides a photosensitive resin composition comprising a component (a): a siloxane resin obtained by hydrolyzing and condensing a silane compound comprising a compound represented by the general formula (1) shown below, a component (b): a solvent dissolving the component (a) therein, and a component (c): a quinonediazide sulfonic acid ester. wherein R1 represents an organic group; A represents a divalent organic group; and X represents a hydrolyzable group, wherein plural X groups in one molecule may be the same or different.Type: GrantFiled: September 19, 2007Date of Patent: April 17, 2012Assignee: Hitachi Chemical Company, Ltd.Inventors: Kouichi Abe, Kei Kasuya, Tetsushi Maruyama, Yousuke Aoki, Kyouko Kojima, Daisuke Ryuzaki
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Patent number: 8158716Abstract: A hydrolyzable group-containing organohydrogenpolysiloxane is prepared by (A) reacting (a) an organosiloxane with (b) an organosilane or organosiloxane containing a hydrolyzable group, at least one of components (a) and (b) containing hydrosilyl, in the presence of a superstrong acid catalyst, (B) adding an inorganic basic neutralizing agent and/or an adsorbent to the resulting reaction solution, and (C) removing the neutralized and/or adsorbed form of the superstrong acid catalyst. The process proceeds in an essentially non-aqueous system, and the organohydrogenpolysiloxane free of residual acidic catalyst is obtainable at low cost.Type: GrantFiled: July 16, 2009Date of Patent: April 17, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Masahiro Amemiya, Hitoshi Uehara, Muneo Kudo, Mitsuo Asai
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Patent number: 8158739Abstract: Branched polydiorganosiloxane polyamide, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting one or more amine compounds including at least one polyamine with a precursor having at least one polydiorganosiloxane segment and at least two ester groups.Type: GrantFiled: June 29, 2011Date of Patent: April 17, 2012Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, David B. Olson, Stephen A. Johnson, Craig E. Hamer, David S. Hays, Richard G. Hansen
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Patent number: 8153749Abstract: Synthesis is for an organosilicic adsorbent, which can be used in different economic sectors (chemical and pharmaceutical industries, health service). The adsorbent represents the non-linear reaction product of polycondensation, a polyhydrate of 1,1,3,3-tetrahydroxy-1,3-dimethyldisiloxane having from 88 to 89 moles of water per one mole of 1,1,3,3-tetrahydroxy-1,3-dimethyldisiloxane. The adsorbent is produced by means of mixing 19-20 parts of alkaline solution of sodium dioximethylsiliconate (DOMS) with a density of 1.16-1.19 g/cm3 with 6 parts of sulfuric acid with a density of 1.195-1.205 g/cm3 at a temperature of between 0-5° C.Type: GrantFiled: February 9, 2007Date of Patent: April 10, 2012Assignee: Obshchestvo s Ogranichennoy Otvetstennostyu “Esfarm”Inventors: Emil Gennadyevich Kadnichansky, Sergey Valentinovich Badaev, Vasily Georgievich Khramov
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Patent number: 8148463Abstract: This invention relates to alkaline resol phenol-aldehyde binder compositions and their use in the production of articles of bonded particulate material such as foundry moulds, foundry cores, or feeders.Type: GrantFiled: December 8, 2008Date of Patent: April 3, 2012Assignee: Huttenes-Albertus Chemische Werke GmbHInventors: Frank Lenzen, Gerard Ladegourdie
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Patent number: 8148467Abstract: A silicone-polymer-modified vulcanized-rubber composition based on unvulcanized rubber, characterized in that the composition can be produced by co-vulcanization from the following components: A1) at least one vinyl-reactive polysiloxane component, and/or A2) at least one mercapto-reactive polysiloxane component, and B) at least one unsaturated vulcanizable unvulcanized-rubber component, and to a process for the production of said silicone-polymer-modified vulcanized-rubber composition based on unvulcanized rubber, and also to a windshield-wiper blade encompassing a silicone-polymer-modified vulcanized-rubber composition based on unvulcanized rubber.Type: GrantFiled: April 1, 2009Date of Patent: April 3, 2012Assignee: Robert Bosch GmbHInventors: Eric Pieters, Yves Verburgh
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Patent number: 8143363Abstract: The present invention relates to a polymerizable composition comprising, as a component A, at least one silicon-organic compound having at least two ?Si—H groups that are reactive in the hydrosilylation reaction and, as a component B, at least one benzoxazine compound having at least two unsaturated carbon-carbon bonds that are reactive in the hydrosilylation reaction with the component A. Additional objects of the present invention include adhesives, sealants or coatings containing the polymerizable composition according to the invention, and the polymerization products of said components.Type: GrantFiled: January 10, 2011Date of Patent: March 27, 2012Assignee: Henkel AG & Co. KGaAInventors: Andreas Taden, Stefan Kreiling, Rainer Schoenfeld, Yusuf Yagci, Baris Kiskan, Aydogan Binnur
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Patent number: 8138302Abstract: In a production process of a poly(arylene sulfide), a mixture containing an organic amide solvent, an alkali metal hydrosulfide and an alkali metal hydroxide in a proportion of 0.95 to 1.05 mol per mol of the alkali metal hydrosulfide is heated and dehydrated in a dehydration step. After the dehydration step, as needed, an alkali metal hydroxide and water are added to control the total number of moles of the alkali metal hydroxide, and the number of moles of water so as to amount to 1.00 to 1.09 per mol of a sulfur source including the alkali metal hydrosulfide existing in the system and to 0.5 to 2.0 per mol of the charged sulfur source, respectively. A polymerization step is conducted by a two-stage process.Type: GrantFiled: December 19, 2003Date of Patent: March 20, 2012Assignee: Kureha CorporationInventors: Hiroyuki Sato, Tatsuya Kawasaki, Yasushi Nakazawa
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Patent number: RE43604Abstract: Provided are a polycarbonate resin which can solve problems present in an electrophotographic photoreceptor and an electrophotographic photoreceptor in which the above polycarbonate resin is used and which is improved in a cleaning property, a lubricity and an abrasion resistance. The polycarbonate resin comprises a repetitive unit represented by the following Formula (1), and the electrophotographic photoreceptor in which a photosensitive layer is provided on a conductive substrate contains the above polycarbonate resin in the above photosensitive layer. In the following Formula (1), R represents an alkyl group having 1 to 3 carbon atoms; n1 is an integer of 2 to 4; and n2 is an integer of 1 to 200.Type: GrantFiled: May 19, 2005Date of Patent: August 28, 2012Assignee: Idemitsu Kosan Co. Ltd.Inventor: Takaaki Hikosaka