Patents by Inventor Shin Tatematsu

Shin Tatematsu 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).

  • Patent number: 8221882
    Abstract: A process for producing inorganic spheres, which comprises injecting an aqueous liquid containing an inorganic compound into a laminar flow of an organic liquid which runs at a flow rate of from 0.001 to 2 m/s in a flow path through a porous membrane to form a W/O type emulsion and solidifying the aqueous liquid containing an inorganic compound in the W/O type emulsion.
    Type: Grant
    Filed: June 15, 2004
    Date of Patent: July 17, 2012
    Assignee: Asahi Glass Company, Limited
    Inventors: Kenji Yamada, Shin Tatematsu, Kazuhiko Yamada
  • Patent number: 8118476
    Abstract: A gas/liquid mixing equipment of the present invention comprises a stirring vessel 1, a stirring shaft 10 inserted horizontally in the stirring vessel 1 and a helical ribbon impeller 20 attached to the stirring shaft 10, whereby a high gas absorption performance can be secured even with low shearing. Further, a polymer can be produced with high productivity. A gas/liquid mixing method of the present invention is a method which comprises employing the above-mentioned gas/liquid mixing equipment, and a method for producing a polymer of the present invention is a method which comprises polymerizing feed monomers containing gaseous monomers in aqueous solvents, wherein the gaseous monomers and the aqueous solvents are mixed by such a gas/liquid mixing method. A polymer of the present invention is produced by the above-mentioned method for producing a polymer.
    Type: Grant
    Filed: September 22, 2005
    Date of Patent: February 21, 2012
    Assignee: Asahi Glass Company, Limited
    Inventors: Nobuyuki Kasahara, Shin Tatematsu, Shigeki Kobayashi, Yasuhiko Matsuoka, Hiroki Nagai, Terence Edwin Attwood, Steven McDonald, Philip David Mackrell, Shigeki Hiraoka
  • Publication number: 20070228617
    Abstract: To provide an ethylene/tetrafluoroethylene copolymer molding, and a method for producing the ethylene/tetrafluoroethylene copolymer molding in which the operation for the production is simple, and the surface can be highly hydrophilized. An ethylene/tetrafluoroethylene copolymer molding is produced by conducting discharge treatment of a surface of a molding to be treated, under reduced pressure in a mixed gas containing oxygen and a hydrocarbon, said surface being made of a material comprising an ethylene/tetrafluoroethylene copolymer as the main component.
    Type: Application
    Filed: May 30, 2007
    Publication date: October 4, 2007
    Applicant: ASAHI GLASS CO., LTD.
    Inventors: Seiji HIGASHI, Chikaya Tamitsuji, Shin Tatematsu
  • Publication number: 20070202340
    Abstract: To provide a process for producing a fluorocarbon film, which is capable of constantly forming a fluorocarbon film excellent in durability and functionality. The process for producing a fluorocarbon film of the present invention is a process for producing a fluorocarbon film at least a part of which is chemically bonded to a substrate surface, and is characterized by conducting, in sequence, step (a) for applying plasma to a substrate surface in a continuous or pulse manner to form active points on the substrate surface and step (b) for applying plasma to the substrate surface in a continuous or pulse manner in the presence of a gas of a fluorocompound represented by the formula CxFy and/or CxFyOz under such a condition that active species impinge on the substrate surface at a relatively lower collision energy than in step (a).
    Type: Application
    Filed: May 2, 2007
    Publication date: August 30, 2007
    Applicant: ASAHI GLASS CO., LTD.
    Inventors: Chikaya Tamitsuji, Seiji Higashi, Shin Tatematsu, Satoshi Oki
  • Patent number: 7161025
    Abstract: The present invention provides a method for producing industrially useful fluorine-containing compounds such as a fluorinated ester compound and an acid fluoride compound. Namely, the present invention resides in a method for producing a fluorinated ester compound, which comprises fluorinating an ester compound which is an ester of a compound having hydroxyl group(s) with a compound having acyl fluoride group(s) and which has a structure which can be fluorinated, in a liquid phase to produce a fluorinated ester compound, wherein the fluorination is carried out in the form of a liquid mixture of the ester compound and the compound having acyl fluoride group(s).
    Type: Grant
    Filed: April 14, 2005
    Date of Patent: January 9, 2007
    Assignee: Asahi Glass Company, Limited
    Inventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Koichi Yanase, Yasuhiro Suzuki, Daisuke Shirakawa
  • Patent number: 7083705
    Abstract: The invention provides a process for producing a fluorine-containing compound from an inexpensive material. Namely, Compound I such as RACH2OH is reacted with Compound II such as XCORB to form Compound III such as RACH2OCORB, followed by fluorination in a liquid phase to form Compound IV such as RAFCF2OCORBF, which is converted to Compound V such as RAFCOF and/or Compound VI such as RBFCOF. RA is an alkyl group or the like, RB is a perhalogenoalkyl group or the like, RAF and RBF are fluorinated RA and RB, and X is halogen.
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: August 1, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Hidenobu Murofushi
  • Patent number: 7071272
    Abstract: The present invention provides a method for preparing a compound of CF3CF2CF2OCF?CF2 by pyrolyzing a compound expressed by CF3CF2CF2OCF(CF3)COOCF2CF(CF3)OCF2CF2CF3 in a gas phase at a temperature of from 200° C. to 500° C.
    Type: Grant
    Filed: December 2, 2002
    Date of Patent: July 4, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Masakuni Sato, Hidenobu Murofushi, Koichi Yanase, Yasuhiro Suzuki
  • Patent number: 7053238
    Abstract: A fluorinated polyvalent carbonyl compound is produced by an economically advantageous method from inexpensive materials without requiring a complicated synthetic process step. Namely, the present invention comprises reacting a polyvalent alcohol having at least two kinds of alcohol skeletons selected among a primary alcohol, a secondary alcohol and a tertiary alcohol, with an acid halide to obtain a polyvalent ester compound, fluorinating it in a liquid phase to obtain a perfluorinated polyvalent ester compound, and cleaving the ester bonds derived from primary and secondary alcohols in the perfluoropolyvalent ester compound to obtain a fluorinated polyvalent carbonyl compound.
    Type: Grant
    Filed: July 15, 2004
    Date of Patent: May 30, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Takashi Okazoe, Kunio Watanabe, Daisuke Shirakawa, Masahiro Ito, Shin Tatematsu
  • Patent number: 7053237
    Abstract: A process for producing a fluorinated ester through a small number of steps, is presented. The process for producing a fluorinated ester, comprises a transesterification step in which RAF—COOCF2—RAF and RA—CH2OH are subjected to a transesterification reaction to obtain RAF—COOCH2—RA, and a fluorination step in which the obtained compound is fluorinated to obtain a reaction product containing RAF—COOCF2—RAF. Here, in the formulae, RA is a monovalent organic group, and RAF is the same group as RA or a monovalent organic group obtained by fluorination of RA.
    Type: Grant
    Filed: July 16, 2003
    Date of Patent: May 30, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Hidenobu Murofushi, Masakuni Sato, Masahiro Ito, Koichi Yanase, Yasuhiro Suzuki
  • Publication number: 20060092763
    Abstract: A gas/liquid mixing equipment of the present invention comprises a stirring vessel 1, a stirring shaft 10 inserted horizontally in the stirring vessel 1 and a helical ribbon impeller 20 attached to the stirring shaft 10, whereby a high gas absorption performance can be secured even with low shearing. Further, a polymer can be produced with high productivity. A gas/liquid mixing method of the present invention is a method which comprises employing the above-mentioned gas/liquid mixing equipment, and a method for producing a polymer of the present invention is a method which comprises polymerizing feed monomers containing gaseous monomers in aqueous solvents, wherein the gaseous monomers and the aqueous solvents are mixed by such a gas/liquid mixing method. A polymer of the present invention is produced by the above-mentioned method for producing a polymer.
    Type: Application
    Filed: September 22, 2005
    Publication date: May 4, 2006
    Applicant: Asahi Glass Company, Limited
    Inventors: Nobuyuki Kasahara, Shin Tatematsu, Shigeki Kobayashi, Yasuhiko Matsuoka, Hiroki Nagai, Terence Attwood, Steven McDonald, Philip MacKrell, Shigeki Hiraoka
  • Patent number: 7034179
    Abstract: The present invention provides a method for producing industrially useful fluorine-containing compounds such as a fluorinated ester compound and an acid fluoride compound. Namely, the present invention resides in a method for producing a fluorinated ester compound, which comprises fluorinating an ester compound which is an ester of a compound having hydroxyl group(s) with a compound having acyl fluoride group(s) and which has a structure which can be fluorinated, in a liquid phase to produce a fluorinated ester compound, wherein the fluorination is carried out in the form of a liquid mixture of the ester compound and the compound having acyl fluoride group(s).
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: April 25, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Koichi Yanase, Yasuhiro Suzuki, Daisuke Shirakawa
  • Patent number: 7022300
    Abstract: A process for producing inorganic spheres, which comprises injecting an aqueous liquid containing an inorganic compound through an inlet hole into an organic liquid which flows at a flow rate of from 0.001 to 2 m/s in a laminar flow state in a flow path to form a W/O type emulsion, and solidifying the aqueous liquid containing an inorganic compound in the W/O type emulsion.
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: April 4, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Toshiya Matsubara, Masaharu Tanaka, Shin Tatematsu, Kazuhiko Yamada, Kenji Yamada, Kenichi Ebata, Hajime Katayama, Kentarou Tsunozaki
  • Patent number: 7009018
    Abstract: Provided is a tetrafluoroethylene copolymer consisting of a unit based on tetrafluoroethylene and a unit based on a monomer represented by CF2?CFORf1Rf2 (where Rf1 is a polyfluoroalkylene group which may contain an etheric oxygen atom and Rf2 is a polyfluorocycloalkyl group which may contain an etheric oxygen atom), wherein a content of the latter is from 0.005 to 0.5% by mass. The tetrafluoroethylene copolymer is excellent both in paste extrudability and in heat resistance, has characteristics such as excellent transparency of a molded product, and is suitably applicable to paste extrusion and compression molding.
    Type: Grant
    Filed: March 16, 2005
    Date of Patent: March 7, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Kazuya Oharu, Hidekazu Okamoto, Shin Tatematsu, Shigeki Kobayashi, Shinya Higuchi, Masataka Arai, Hiroki Nagai
  • Patent number: 6969776
    Abstract: The present invention provides a process whereby fluorinated ketones of various structures can be produced by short process steps and which is useful as an industrial production process.
    Type: Grant
    Filed: June 17, 2004
    Date of Patent: November 29, 2005
    Assignee: Asahi Glass Company, Limited
    Inventors: Takashi Okazoe, Kunio Watanabe, Masahiro Ito, Daisuke Shirakawa, Shin Tatematsu, Hirokazu Takagi
  • Publication number: 20050261516
    Abstract: A process for producing a fluorinated ester through a small number of steps, is presented. The process for producing a fluorinated ester, comprises a transesterification step in which RAF—COOCF2—RAF and RA—CH2OH are subjected to a transesterification reaction to obtain RAF—COOCH2—RA, and a fluorination step in which the obtained compound is fluorinated to obtain a reaction product containing RAF—COOCF2—RAF. Here, in the formulae, RA is a monovalent organic group, and RAF is the same group as RA or a monovalent organic group obtained by fluorination of RA.
    Type: Application
    Filed: July 16, 2003
    Publication date: November 24, 2005
    Applicant: ASAHI GLASS COMPANY
    Inventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Hidenobu Murofushi, Masakuni Sato, Masahiro Ito, Koichi Yanase, Yasuhiro Suzuki
  • Patent number: 6956138
    Abstract: The present invention provides a method for obtaining a compound useful as a raw material for various fluororesins in high yield by a short process by using a starting material which is inexpensive and readily available.
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: October 18, 2005
    Assignee: Asahi Glass Company, Limited
    Inventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Masahiro Ito, Daisuke Shirakawa, Masao Iwaya, Hidekazu Okamoto
  • Patent number: 6951957
    Abstract: The invention provides a process for producing a fluorine-containing compound from an inexpensive material. Namely, Compound I such as RACH2OH is reacted with Compound II such as XCORB to form Compound III such as RACH2OCORB, followed by fluorination in a liquid phase to form Compound IV such as RAFCF2OCORBF, which is converted to Compound V such as RAFCOF and/or Compound VI such as RBFCOF. RA is an alkyl group or the like, RB is a perhalogenoalkyl group or the like, RAF and RBF are fluorinated RA and RB, and X is halogen.
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: October 4, 2005
    Assignee: Asahi Glass Company, Limited
    Inventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Hidenobu Murofushi
  • Publication number: 20050208531
    Abstract: The object of the present invention is to provide a biochip substrate which affords accurate and sensitive measurements using a biochip by enhancing the S/N ratio of the fluorescence from each spot. A biochip substrate for producing a biochip by immobilizing a biological high-molecular-weight oligomer, which substantially reflects fluorescence on the surface on which the oligomer is to be immobilized. Preferably, a biochip substrate which consists essentially of a support and a coating formed on the surface of the support on which the biological high-molecular-weight oligomer is to be immobilized, wherein the coating comprises a reflective film which has a higher refractive index than the support.
    Type: Application
    Filed: December 6, 2004
    Publication date: September 22, 2005
    Applicant: ASAHI GLASS COMPANY LIMITED
    Inventors: Hideo Nomoto, Kenji Ishizeki, Shin Tatematsu, Masayuki Ishimaru
  • Publication number: 20050192456
    Abstract: The present invention provides a method for producing industrially useful fluorine-containing compounds such as a fluorinated ester compound and an acid fluoride compound. Namely, the present invention resides in a method for producing a fluorinated ester compound, which comprises fluorinating an ester compound which is an ester of a compound having hydroxyl group(s) with a compound having acyl fluoride group(s) and which has a structure which can be fluorinated, in a liquid phase to produce a fluorinated ester compound, wherein the fluorination is carried out in the form of a liquid mixture of the ester compound and the compound having acyl fluoride group(s).
    Type: Application
    Filed: April 14, 2005
    Publication date: September 1, 2005
    Applicant: ASAHI GLASS COMPANY LIMITED
    Inventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Koichi Yanase, Yasuhiro Suzuki, Daisuke Shirakawa
  • Publication number: 20050187363
    Abstract: Provided is a tetrafluoroethylene copolymer consisting of a unit based on tetrafluoroethylene and a unit based on a monomer represented by CF2?CFORf1Rf2 (where Rf1 is a polyfluoroalkylene group which may contain an etheric oxygen atom and Rf2 is a polyfluorocycloalkyl group which may contain an etheric oxygen atom), wherein a content of the latter is from 0.005 to 0.5% by mass. The tetrafluoroethylene copolymer is excellent both in paste extrudability and in heat resistance, has characteristics such as excellent transparency of a molded product, and is suitably applicable to paste extrusion and compression molding.
    Type: Application
    Filed: March 16, 2005
    Publication date: August 25, 2005
    Applicant: Asahi Glass Company, Limited
    Inventors: Kazuya Oharu, Hidekazu Okamoto, Shin Tatematsu, Shigeki Kobayashi, Shinya Higuchi, Masataka Arai, Hiroki Nagai