Patents by Inventor Tsugunori Kashimura
Tsugunori Kashimura 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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Patent number: 8067075Abstract: A multilayer tube including at least three layers including a layer (a) formed of (A) polyamide 11 and/or polyamide 12, a layer (b) formed of (B) a polyamide (semi-aromatic polyamide) including a dicarboxylic acid unit containing a terephthalic acid and/or naphthalenedicarboxylic acid unit in a proportion of 50 mol % or more based on all dicarboxylic acid units, and a diamine unit containing an aliphatic diamine unit having a carbon number of 9 to 13 in a proportion of 60 mol % or more based on all diamine units, and a layer (c) formed of (C) a fluorine-containing polymer having introduced into the molecular chain thereof a functional group having reactivity with a polyamide-based resin, is provided as a multilayer tube excellent in an alcohol gasoline permeation-preventing property, interlayer adhesion, low-temperature impact resistance, heat resistance and chemical resistance.Type: GrantFiled: January 27, 2005Date of Patent: November 29, 2011Assignees: Ube Industries, Inc., Asahi Glass Company, Limited, Kuraray Co., Ltd.Inventors: Tomoharu Nishioka, Koji Nakamura, Tsuyoshi Iwasa, Atsushi Funaki, Eiichi Nishi, Koichi Uchida, Tsugunori Kashimura, Takashi Yamashita, Yuji Munesawa
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Publication number: 20090098325Abstract: A semi-aromatic polyamide resin is provided which has a high level of residence stability, hot-water resistance and chemical resistance and is also excellent in adhesive properties and compatibility with other resins and the like. The semi-aromatic polyamide resin comprises: dicarboxylic acid units in which 50 to 100 mol % of the dicarboxylic acid units are aromatic dicarboxylic acid units; and diamine units in which 60 to 100 mol % of the diamine units are aliphatic diamine units having 9 to 13 carbon atoms. Furthermore, at least 10% of terminal groups of molecular chains of the polyamide resin are blocked with a terminal-blocking agent, and the amount of terminal amino groups of the molecular chains is 60 ?eq/g or more and 120 ?eq/g or less. In addition, [NH2]/[COOH]?6 is satisfied, where [NH2] (?eq/g) represents the amount of the terminal amino groups and [COOH] (?eq/g) represents the amount of terminal carboxyl groups.Type: ApplicationFiled: March 17, 2006Publication date: April 16, 2009Applicant: KURARAY CO. LTD.Inventors: Koichi Uchida, Hirofumi Kikuchi, Tsugunori Kashimura, Takashi Yamashita, Hiroki Yamasaki
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Publication number: 20080038499Abstract: All of hydrolysis resistance, heat resistance and calcium chloride resistance as the characteristics required during use are satisfied and the moldability as the characteristic required during molding is also ensured. Further, corrugation moldability, pressure proofness, bendability and shape retainability are ensured while enabling to adopt a mono-layer structure. A water pipe for use in automobiles molded with a thermoplastic polymer composition mainly comprising a polyamide resin (I) and a polyolefin (II), in which the polyamide resin (I) is a specified polyamide 9T; the amount of terminal amino groups of the polyamide resin (I) is 60 ?mol/g or more and the amount of terminal carboxyl groups of the polyamide resin (I) is 10 ?mol/g or less; the polyolefin (II) contains an acid modified polyolefin and the not acid-modified polyolefin at a mass ratio of from 80:20 to 20:80 and, as a result, the amount of the acid modification is from 0.2 to 0.Type: ApplicationFiled: August 7, 2007Publication date: February 14, 2008Applicants: TOYODA GOSEI CO., LTD., KURARAY CO., LTD.Inventors: Satoru Ono, Yoshiaki Kameda, Tsugunori Kashimura, Takashi Yamashita, Hideaki Takeda
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Publication number: 20070148389Abstract: A multilayer tube including at least three layers including a layer (a) formed of (A) polyamide 11 and/or polyamide 12, a layer (b) formed of (B) a polyamide (semi-aromatic polyamide) including a dicarboxylic acid unit containing a terephthalic acid and/or naphthalenedicarboxylic acid unit in a proportion of 50 mol % or more based on all dicarboxylic acid units, and a diamine unit containing an aliphatic diamine unit having a carbon number of 9 to 13 in a proportion of 60 mol % or more based on all diamine units, and a layer (c) formed of (C) a fluorine-containing polymer having introduced into the molecular chain thereof a functional group having reactivity with a polyamide-based resin, is provided as a multilayer tube excellent in an alcohol gasoline permeation-preventing property, interlayer adhesion, low-temperature impact resistance, heat resistance and chemical resistance.Type: ApplicationFiled: January 27, 2005Publication date: June 28, 2007Applicants: Ube Industries, Ltd. a corporation of Japan, 1978-96, Asahi Glass Company, Limited, a corporation of Japan, Kuraray Co., Ltd., a corporation of JapanInventors: Tomoharu Nishioka, Koji Nakamura, Tsuyoshi Iwasa, Atsushi Funaki, Eiichi Nishi, Koichi Uchida, Tsugunori Kashimura, Takashi Yamashita, Yuji Munesawa
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Publication number: 20070104907Abstract: A multilayer structure comprising at least two or more layers including a layer (a) comprising (A) polyamide 11 and/or polyamide 12, and a layer (b) comprising (B) a polyamide (polyamide 9N) consisting of a dicarboxylic acid unit comprising a naphthalenedicarboxylic acid unit in a proportion of 50 mol % or more based on all dicarboxylic acid units and a diamine unit comprising a 1,9-nonanediamine and/or 2-methyl-1,8-octanediamine unit in a proportion of 60 mol % or more based on all diamine units. A multilayer structure excellent in the alcohol gasoline permeation-preventing properties, interlayer adhesion, low-temperature impact resistance and heat resistance is provided.Type: ApplicationFiled: December 16, 2004Publication date: May 10, 2007Applicants: Ube Industries, Ltd., a corporation of Japan, Kuraray Co., Ltd. a corporation of JapanInventors: Tomoharu Nishioka, Koji Nakamura, Koichi Uchida, Tsugunori Kashimura
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Publication number: 20060094823Abstract: A cam gear is formed from a resinous material containing 100 parts by weight of polyamide and 5 to 20 parts by weight of modified polyolefin.Type: ApplicationFiled: October 28, 2005Publication date: May 4, 2006Inventors: Kazutake Koyama, Koji Satake, Masahiro Yonemura, Tsugunori Kashimura, Takashi Yamashita, Yuji Munesawa
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Patent number: 5773517Abstract: A process for producing thermoplastic resin compositions, comprises mixing under melting conditions a polyester resin (I) and an addition polymer (II) having on one end thereof 0.5 to 1 group of a functional group capable of reacting with polyester resins in a ratio by weight between the former and the latter of 97/3 to 20/80 and then solid phase polymerizing the mixture, to obtain a thermoplastic resin composition comprising:?1! a high molecular polyester resin (I') derived from said polyester resin (I) , ?2! said addition polymer (II) having on one end thereof 0.Type: GrantFiled: June 11, 1997Date of Patent: June 30, 1998Assignee: Kuraray Co., Ltd.Inventors: Haruhisa Masuda, Takashi Oku, Tsugunori Kashimura
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Patent number: 5686553Abstract: The invention provides polyesters of terephthalic acid units and ethylene glycol units, having excellent melt moldability. The invention also provides molded articles having excellent transparency, impact resistance, gelation characteristics, appearance, tactility, mechanical properties, heat resistance, chemical resistance, and dimensional precision.Type: GrantFiled: November 18, 1996Date of Patent: November 11, 1997Assignee: Kuraray Co., Ltd.Inventors: Shinji Tai, Tetsuya Hara, Tsugunori Kashimura
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Patent number: 5670608Abstract: A polyamide (9-T polyamide) comprising (a) 60 to 100 mole of terephthalic acid and (b) a diamine component comprising 60 to 100 mole % of 1,9-nonanediamine, said polyamide having an intrinsic viscosity ?.eta.! as determined by measurement in concentrated sulfuric acid at 30.degree. C. of 0.6 to 2.0 dl/g and having at least 10% of terminal groups thereof blocked. Another polyamide (9M-T polyamide) comprises a dicarboxylic acid component (a) comprising 60 to 100 mole % of terephthalic acid and a diamine component (b) comprising 60 to 100 mole % of 1,9-nonanediamine and 2-methyl-1,8octanediamine, the molar ratio between said 1,9 nonanediamine and said 2-methyl-1,8-octanediamine being in a range of 60:40 to 99:1, said polyamide having an intrinsic viscosity ?.eta.! as determined by measurement in concentrated sulfuric acid at 30.degree. C. of 0.4 to 3.0 dl/g.Type: GrantFiled: December 22, 1994Date of Patent: September 23, 1997Assignee: Kuraray Co., Ltd.Inventors: Hideaki Oka, Tsugunori Kashimura, Shinichi Yokota, Hiroshi Hayashihara
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Patent number: 5648449Abstract: A copolyester consisting essentially of ethylene terephthalate units and further comprising 0.01 to 1 mole % based on the sum of the moles of total diol units and the moles of triol units of a triol unit represented by the following formula (I) and/or a triol unit represented by the following formula (II). ##STR1## wherein A is a group represented by formula --CH.sub.2 CH.sub.2 -- or formula --CH(CH.sub.3)CH.sub.2 --, B is a divalent hydrocarbon group, --CO--, --SO.sub.2 --, --0-- or a direct bond (-), and p, q, r, s, t and u are each an integer of 1 to 8. A process for producing the same and molded articles (in particular extrusion blow molded articles) therefrom. The copolyesters of the present invention are applicable to melt moldings accompanying melt extrusion, in particular extrusion blow molding, where parisons therefrom have good draw-down tendency and blow moldability.Type: GrantFiled: January 31, 1996Date of Patent: July 15, 1997Assignee: Kuraray Co., Ltd.Inventors: Shinji Tai, Tetsuya Hara, Akira Kageyu, Tsugunori Kashimura
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Patent number: 5326848Abstract: Provided are novel thermotropic liquid crystal polyesters consisting essentially of the following structural units (1), (2) and (3) or those (2), (3), (4) and (5) and shaped articles comprising these polyesters. Also provided are packaging materials and containers comprising the above thermotropic liquid crystal polyesters or a polyester consisting essentially of the following structural units (2), (3), (5) and (6).Type: GrantFiled: October 13, 1992Date of Patent: July 5, 1994Assignee: Kuraray Co., Ltd.Inventors: Tsugunori Kashimura, Mitsuo Matsumoto, Shuhei Ishino
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Patent number: 5071995Abstract: Provided are 2-hydroxyphenylbenzotriazol compounds with excellent ultraviolet absorbability and high thermal stability. They can be used as ultraviolet absorber for any polymer.Type: GrantFiled: September 29, 1989Date of Patent: December 10, 1991Assignee: Kuraray Co., Ltd.Inventors: Tsugunori Kashimura, Tsutomu Miura, Keiji Matsumura