Patents by Inventor Takanari Yamaguchi
Takanari Yamaguchi 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).
-
Publication number: 20130011744Abstract: The present invention relates to a method for producing a film containing a thermoplastic resin, the method comprising: a step of feeding a material containing a thermoplastic resin and having a pair of opposed flat portions to between a pair of rollers with the thermoplastic resin in a molten state, and a step of rolling, with the pair of rollers, the pair of flat portions being stacked, thereby welding the flat portions to each other to form a united film, wherein the material to be fed to between the rollers is two separate films each having a flat portion or one flat cylindrical film having a pair of opposed flat portions linked together by connecting portions at their end portions.Type: ApplicationFiled: March 29, 2011Publication date: January 10, 2013Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Atsuhiro Takata, Toshihiko Suzuki, Takanari Yamaguchi
-
Publication number: 20110068302Abstract: The present invention provides a molded multi-layer body having a layer of liquid crystal polymer and is excellent in strength, which contains two or more thermoplastic resin layers and one or more adhesive layers, wherein at least one of the thermoplastic resin layers is a layer (A) containing liquid crystal polymer, at least one of the thermoplastic resin layers is a layer (B) containing thermoplastic resin other than the liquid crystal polymer, and the layer (A) and the layer (B) are stacked via an adhesive layer (C) containing an epoxy group-containing ethylene copolymer consisting of: (a) 50 to 99% by weight of ethylene units; (b) 0.1 to 30% by weight of unsaturated carboxylic acid glycidyl ester units or unsaturated glycidyl ether units; and (c) 0 to 50% by weight of (meth)acrylate units.Type: ApplicationFiled: December 1, 2010Publication date: March 24, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yasuhiro YAMASHITA, Shino Matsumi, Hiroaki Kumada, Takanari Yamaguchi
-
Publication number: 20060141275Abstract: The present invention provides a molded multi-layer body having a layer of liquid crystal polymer and is excellent in strength, which contains two or more thermoplastic resin layers and one or more adhesive layers, wherein at least one of the thermoplastic resin layers is a layer (A) containing liquid crystal polymer, at least one of the thermoplastic resin layers is a layer (B) containing thermoplastic resin other than the liquid crystal polymer, and the layer (A) and the layer (B) are stacked via an adhesive layer (C) containing an epoxy group-containing ethylene copolymer consisting of: (a) 50 to 99% by weight of ethylene units; (b) 0.1 to 30% by weight of unsaturated carboxylic acid glycidyl ester units or unsaturated glycidyl ether units; and (c) 0 to 50% by weight of (meth)acrylate units.Type: ApplicationFiled: November 29, 2005Publication date: June 29, 2006Inventors: Yasuhiro Yamashita, Shino Matsumi, Hiroaki Kumada, Takanari Yamaguchi
-
Publication number: 20060127687Abstract: A process for preparing an aramid laminate, which comprises impregnating a surface and an interior an aramid paper with a liquid crystal polymer, and laminating a layer comprising an aramid paper and a layer comprising a liquid crystal polymer.Type: ApplicationFiled: December 17, 2003Publication date: June 15, 2006Inventors: Takanari Yamaguchi, Hiroaki Kumada
-
Publication number: 20060104153Abstract: Provided is a method of producing a composition comprising a thermoplastic resin and a rubber, wherein a solid rubber is molten by a rubber kneading machine and fed into an extruder, and the molten rubber is melt-kneaded with the thermoplastic resin in the extruder. The composition has a uniform component ratio and excellent moldability, and can be used widely as raw materials of molded articles, sheets, films and containers.Type: ApplicationFiled: December 22, 2005Publication date: May 18, 2006Inventors: Takanari Yamaguchi, Motonobu Furuta
-
Patent number: 7040797Abstract: Provided is a method of producing a composition comprising a thermoplastic resin and a rubber, wherein a solid rubber is molten by a rubber kneading machine and fed into an extruder, and the molten rubber is melt-kneaded with the thermoplastic resin in the extruder. The composition has a uniform component ratio and excellent moldability, and can be used widely as raw materials of molded articles, sheets, films and containers.Type: GrantFiled: November 16, 1999Date of Patent: May 9, 2006Assignee: Sumitomo Chemical Company, LimitedInventors: Takanari Yamaguchi, Motonobu Furuta
-
Patent number: 7008693Abstract: Highly heat-resistant labels usable with the adherends which can be exposed to high temperatures are provided and include the following: (1) a highly heat-resistant label comprising a support base and a hot-melt adhesive layer composed of a thermoplastic resin showing optical anisotropy in molten state and/or a thermoplastic polyimide; (2) a label of (1), further having an agglutinant layer, wherein the agglutinant layer, hot-melt adhesive layer and support base are laminated in that order; and (3) a label of (1) or (2), wherein the thermoplastic resin showing optical anisotropy in molten state comprises a completely aromatic liquid crystal polyester.Type: GrantFiled: June 10, 2003Date of Patent: March 7, 2006Assignees: Sumitomo Chemical Company, Yushi-Seihin Co., Ltd.Inventors: Shino Matsumi, Takanari Yamaguchi, Hiroaki Kumada, Masaru Kijima, Shinji Kinoshita, Koji Age
-
Patent number: 6843887Abstract: Provided is low hygroscopic paper obtainable by heat-pressing composite paper comprising a pulp component and/or fiber component and, a liquid crystal polymer filler component made of a liquid crystal polymer exhibiting optical anisotropy in molten state, at a temperature higher than the flow initiation temperature of said liquid crystal polymer by 30° C. or more. The low hygroscopic paper has also excellent machanical strength and heat resistance, and can be used as a substrate paper such as a prepreg particularly useful for electric and electronic circuit boards.Type: GrantFiled: March 21, 2002Date of Patent: January 18, 2005Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroaki Kumada, Takanari Yamaguchi
-
Publication number: 20040038025Abstract: Highly heat-resistant labels usable with the adherends which can be exposed to high temperatures are provided.Type: ApplicationFiled: June 10, 2003Publication date: February 26, 2004Inventors: Shino Matsumi, Takanari Yamaguchi, Hiroaki Kumada, Masaru Kijima, Shinji Kinoshita, Koji Age
-
Patent number: 6676396Abstract: Provided is a resin guiding device for an inflation molding apparatus, which guides a molten resin extruded and blown into a tubular resin from an inflation molding die, to a pair of take-up rolls, wherein the resin guiding device comprises a pair of guiding members placed between the inflation molding die and the pair of take-up rolls, and the guiding members respectively have curved contact faces which are in contact with the tubular resin where the curved contact faces are mutually outward curved, and each of the curved contact faces has a shape corresponding to a rein shape so as to fold the tubular resin into a flat shape.Type: GrantFiled: December 11, 2000Date of Patent: January 13, 2004Assignee: Sumitomo Chemical Company, LimitedInventors: Takanari Yamaguchi, Motonobu Furuta, Tomokazu Takayanagi, Akio Morii, Noriyuki Ooshima
-
Patent number: 6670042Abstract: Provided is an industrially advantageous insulating film obtainable from a resin composition comprising (A) 100 parts by weight of a polyphenylene oxide having a structural unit of the following formula (1): and (B) 0.1 to 60 parts by weight of a copolymer having a functional group reactive with the above-mentioned polyphenylene oxide.Type: GrantFiled: February 13, 2002Date of Patent: December 30, 2003Assignee: Sumitomo Chemical Company, LimitedInventors: Motonobu Furuta, Takanari Yamaguchi
-
Publication number: 20030017353Abstract: Provided is an indication label having excellent heat resistance and hydroscopic resistance, comprising a supporting substrate having a printable surface and an adhesive layer on the other surface of the printable surface, wherein the supporting substrate is made of a liquid crystal polymer showing optical anisotropy in molten state. The label is suitably used under high temperature and high humidity.Type: ApplicationFiled: May 20, 2002Publication date: January 23, 2003Inventors: Takanari Yamaguchi, Hiroaki Kumada
-
Publication number: 20030010376Abstract: Provided is an outer covering for solar battery, comprising a resin laminate having a liquid crystal polymer layer showing optical anisotropy in molten state, which has excellent water vapor-barrier property and imparts durability to the solarType: ApplicationFiled: April 10, 2002Publication date: January 16, 2003Inventors: Takanari Yamaguchi, Hiroaki Kumada
-
Patent number: 6485283Abstract: Provided is a blown molding die to obtain a film having excellent properties and good appearance in blown film forming of a thermoplastic resin manifesting anisotropy in molten state. The blow molding die has a simple structure compared with a conventional spider die, and can be produced easily and at low cost.Type: GrantFiled: September 24, 1999Date of Patent: November 26, 2002Assignee: Sumitomo Chemical Company, LimitedInventors: Takanari Yamaguchi, Motonobu Furuta
-
Publication number: 20020153111Abstract: Provided is low hygroscopic paper obtainable by heat-pressing composite paper comprising a pulp component and/or fiber component and, a liquid crystal polymer filler component made of a liquid crystal polymer exhibiting optical anisotropy in molten state, at a temperature higher than the flow initiation temperature of said liquid crystal polymer by 30 ° C. or more. The low hygroscopic paper has also excellent machanical strength and heat resistance, and can be used as a substrate paper such as a prepreg particularly useful for electric and electronic circuit boards.Type: ApplicationFiled: March 21, 2002Publication date: October 24, 2002Inventors: Hiroaki Kumada, Takanari Yamaguchi
-
Publication number: 20020128389Abstract: Provided is an industrially advantageous insulating film obtainable from a resin composition comprising (A) 100 parts by weight of a polyphenylene oxide having a structural unit of the following formula (1): 1Type: ApplicationFiled: February 13, 2002Publication date: September 12, 2002Inventors: Motonobu Furuta, Takanari Yamaguchi
-
Publication number: 20020048641Abstract: Provided is elastomer molded products including a construction comprising a liquid crystal polymer layer and an elastomer layer or a construction wherein liquid crystal polymer flakes are dispersed in the elastomer. The elastomer molded products are excellent in gas barrier properties and can be made thin without sacrificing the flexibility as elastomer.Type: ApplicationFiled: June 18, 2001Publication date: April 25, 2002Inventors: Takanari Yamaguchi, Yasuaki Hidaka, Hiroaki Kumada
-
Publication number: 20020048681Abstract: Provided is a laminate comprising a first layer composed of a liquid crystalline polymer showing optical anisotropy in molten state and a second layer containing a saponified ethylene-vinylester copolymer. The laminate has high gas barrier property even under high humidity and used as a laminated film for packaging and a vessel.Type: ApplicationFiled: July 30, 2001Publication date: April 25, 2002Inventors: Yasuaki Hidaka, Takanari Yamaguchi
-
Patent number: 6376076Abstract: Provided are a aromatic liquid crystalline polyester resin having improved low temperature processability, a film having excellent gas barrier property. The aromatic liquid crystalline polyester resin is obtained from an aromatic hydroxycarboxylic acid, an aromatic dicarboxylic acid and an aromatic diol, by optimizing formulation ratio of the above-described three components. The aromatic liquid crystalline polyester resin comprises an aromatic hydroxycarboxylic acid unit, an aromatic dicarboxylic acid unit and an aromatic diol unit, as repeating units, wherein the repeating unit (A) as an aromatic hydroxycarboxylic acid unit, is contained in an amount of 30 mol % or more based on the total amount of repeating units, and the polyester has a logarithmic viscosity of 1.5 dl/g or more, a flow temperature of 300° C. or less, and a melt tension measured at a temperature higher than the flow temperature by 25° C. or more of 1.Type: GrantFiled: June 18, 2001Date of Patent: April 23, 2002Assignee: Sumitomo Chemical Company, LimitedInventors: Yoshitaka Ohbe, Kazunori Akiyoshi, Takanari Yamaguchi
-
Patent number: 6306501Abstract: A laminated material comprising at least a paper layer as a substrate and a layer of a liquid-crystal polyester resin composition, which are laid one upon the other, the liquid-crystal polyester resin composition-containing layer comprising (A) liquid-crystal polyester as a continuous phase and (B) rubber having a functional group reactive with the liquid-crystal polyester as a dispersed phase. The laminated material has an excellent heat resistance, flexibility, and gas barrier properties and a paper pack container is formed from said laminated material.Type: GrantFiled: March 17, 1998Date of Patent: October 23, 2001Assignee: Sumitomo Chemical Company LimitedInventors: Motonobu Furuta, Takanari Yamaguchi