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).
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Patent number: 8221882Abstract: 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: GrantFiled: June 15, 2004Date of Patent: July 17, 2012Assignee: Asahi Glass Company, LimitedInventors: Kenji Yamada, Shin Tatematsu, Kazuhiko Yamada
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Patent number: 8118476Abstract: 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: GrantFiled: September 22, 2005Date of Patent: February 21, 2012Assignee: Asahi Glass Company, LimitedInventors: Nobuyuki Kasahara, Shin Tatematsu, Shigeki Kobayashi, Yasuhiko Matsuoka, Hiroki Nagai, Terence Edwin Attwood, Steven McDonald, Philip David Mackrell, Shigeki Hiraoka
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Publication number: 20070228617Abstract: 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: ApplicationFiled: May 30, 2007Publication date: October 4, 2007Applicant: ASAHI GLASS CO., LTD.Inventors: Seiji HIGASHI, Chikaya Tamitsuji, Shin Tatematsu
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Publication number: 20070202340Abstract: 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: ApplicationFiled: May 2, 2007Publication date: August 30, 2007Applicant: ASAHI GLASS CO., LTD.Inventors: Chikaya Tamitsuji, Seiji Higashi, Shin Tatematsu, Satoshi Oki
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Patent number: 7161025Abstract: 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: GrantFiled: April 14, 2005Date of Patent: January 9, 2007Assignee: Asahi Glass Company, LimitedInventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Koichi Yanase, Yasuhiro Suzuki, Daisuke Shirakawa
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Patent number: 7083705Abstract: 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: GrantFiled: August 11, 2004Date of Patent: August 1, 2006Assignee: Asahi Glass Company, LimitedInventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Hidenobu Murofushi
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Patent number: 7071272Abstract: 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: GrantFiled: December 2, 2002Date of Patent: July 4, 2006Assignee: Asahi Glass Company, LimitedInventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Masakuni Sato, Hidenobu Murofushi, Koichi Yanase, Yasuhiro Suzuki
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Process for producing a fluorinated ester, a fluorinated acyl fluoride and a fluorinated vinyl ether
Patent number: 7053237Abstract: 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: GrantFiled: July 16, 2003Date of Patent: May 30, 2006Assignee: Asahi Glass Company, LimitedInventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Hidenobu Murofushi, Masakuni Sato, Masahiro Ito, Koichi Yanase, Yasuhiro Suzuki -
Patent number: 7053238Abstract: 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: GrantFiled: July 15, 2004Date of Patent: May 30, 2006Assignee: Asahi Glass Company, LimitedInventors: Takashi Okazoe, Kunio Watanabe, Daisuke Shirakawa, Masahiro Ito, Shin Tatematsu
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Publication number: 20060092763Abstract: 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: ApplicationFiled: September 22, 2005Publication date: May 4, 2006Applicant: Asahi Glass Company, LimitedInventors: Nobuyuki Kasahara, Shin Tatematsu, Shigeki Kobayashi, Yasuhiko Matsuoka, Hiroki Nagai, Terence Attwood, Steven McDonald, Philip MacKrell, Shigeki Hiraoka
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Patent number: 7034179Abstract: 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: GrantFiled: March 27, 2003Date of Patent: April 25, 2006Assignee: Asahi Glass Company, LimitedInventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Koichi Yanase, Yasuhiro Suzuki, Daisuke Shirakawa
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Patent number: 7022300Abstract: 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: GrantFiled: July 15, 2003Date of Patent: April 4, 2006Assignee: Asahi Glass Company, LimitedInventors: Toshiya Matsubara, Masaharu Tanaka, Shin Tatematsu, Kazuhiko Yamada, Kenji Yamada, Kenichi Ebata, Hajime Katayama, Kentarou Tsunozaki
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Patent number: 7009018Abstract: 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: GrantFiled: March 16, 2005Date of Patent: March 7, 2006Assignee: Asahi Glass Company, LimitedInventors: Kazuya Oharu, Hidekazu Okamoto, Shin Tatematsu, Shigeki Kobayashi, Shinya Higuchi, Masataka Arai, Hiroki Nagai
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Patent number: 6969776Abstract: 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: GrantFiled: June 17, 2004Date of Patent: November 29, 2005Assignee: Asahi Glass Company, LimitedInventors: Takashi Okazoe, Kunio Watanabe, Masahiro Ito, Daisuke Shirakawa, Shin Tatematsu, Hirokazu Takagi
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PROCESS FOR PRODUCING A FLUORINATED ESTER, A FLUORINATED ACYL FLUORIDE AND A FLUORINATED VINYL ETHER
Publication number: 20050261516Abstract: 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: ApplicationFiled: July 16, 2003Publication date: November 24, 2005Applicant: ASAHI GLASS COMPANYInventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Hidenobu Murofushi, Masakuni Sato, Masahiro Ito, Koichi Yanase, Yasuhiro Suzuki -
Patent number: 6956138Abstract: 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: GrantFiled: April 28, 2004Date of Patent: October 18, 2005Assignee: Asahi Glass Company, LimitedInventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Masahiro Ito, Daisuke Shirakawa, Masao Iwaya, Hidekazu Okamoto
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Patent number: 6951957Abstract: 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: GrantFiled: April 24, 2003Date of Patent: October 4, 2005Assignee: Asahi Glass Company, LimitedInventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Hidenobu Murofushi
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Publication number: 20050208531Abstract: 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: ApplicationFiled: December 6, 2004Publication date: September 22, 2005Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Hideo Nomoto, Kenji Ishizeki, Shin Tatematsu, Masayuki Ishimaru
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Publication number: 20050192456Abstract: 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: ApplicationFiled: April 14, 2005Publication date: September 1, 2005Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Takashi Okazoe, Kunio Watanabe, Shin Tatematsu, Koichi Yanase, Yasuhiro Suzuki, Daisuke Shirakawa
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Publication number: 20050187363Abstract: 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: ApplicationFiled: March 16, 2005Publication date: August 25, 2005Applicant: Asahi Glass Company, LimitedInventors: Kazuya Oharu, Hidekazu Okamoto, Shin Tatematsu, Shigeki Kobayashi, Shinya Higuchi, Masataka Arai, Hiroki Nagai