Patents by Inventor Tetsuya Hosomi
Tetsuya Hosomi 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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Publication number: 20190300764Abstract: An object of the present disclosure is to provide an adhesive composition for an organic fiber which has excellent heat-resistant adhesiveness that allows an organic fiber and a rubber composition to maintain high adhesive force even when being exposed to high temperatures. An adhesive composition for an organic fiber contains: (a) an epoxy compound that is a sorbitol polyglycidyl ether and has a chlorine content not greater than 9.6% by weight; and (b) a blocked isocyanate.Type: ApplicationFiled: March 15, 2019Publication date: October 3, 2019Applicants: SUMITOMO RUBBER INDUSTRIES, LTD., NAGASE CHEMTEX CORPORATIONInventors: Masumi SUZUKI, Yogun KIDA, Takuya KURIHARA, Dong MIAO, Noboru OKABE, Natsuki MAEKAWA, Toyohiro NAGANO, Masato FUSHIKI, Tetsuya HOSOMI
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Patent number: 9982110Abstract: The present invention aims to provide a water-absorbing resin crosslinking agent which is excellent in safety and which can effectively crosslink a water-absorbing resin at low temperatures to produce a water-absorbing agent having a high water absorption capacity. The present invention also aims to provide a water-absorbing agent produced by crosslinking a water-absorbing resin with the water-absorbing resin crosslinking agent, and a method for producing the water-absorbing agent. The present invention may include a water-absorbing resin crosslinking agent containing a halohydrin compound having one halohydrin group represented by the following formula (1) in its molecule: wherein A represents a single bond or an alkylene group; R1 represents a hydrogen atom or an alkyl group; and X represents a chlorine atom or a bromine atom.Type: GrantFiled: March 19, 2015Date of Patent: May 29, 2018Assignee: Nagase ChemteX CorporationInventors: Tetsuya Hosomi, Masato Fushiki, Toyohiro Nagano
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Publication number: 20170167076Abstract: An object of the present invention is to provide an adhesive agent composition for an organic fiber, the adhesive agent composition hardly causing precipitation or cohesion and having stable adhesive force. The present invention provides an adhesive agent composition for an organic fiber, the adhesive agent composition including epoxy resin and a water soluble curing agent, and also provides to a method of treating an organic fiber, the method including the steps of: (i) treating the organic fiber with the adhesive agent composition as a first treating agent; and (ii) treating the organic fiber, having been treated with the first treating agent, with a second treating agent containing a resorcin-formalin-rubber latex (RFL).Type: ApplicationFiled: February 3, 2015Publication date: June 15, 2017Applicant: NAGASE CHEMTEX CORPORATIONInventors: Satoru FUJII, Tetsuya HOSOMI, Masato FUSHIKI
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Publication number: 20170167074Abstract: An object of the present invention is to provide an adhesive agent composition for an organic fiber, the adhesive agent composition having high adhesive force and not requiring the use of epoxy resin that is high in manufacturing cost. The present invention relates to an adhesive agent composition for an organic fiber, the adhesive agent composition containing a halohydrin compound and a blocked isocyanate compound and also relates to a method of treating an organic fiber, the method including the step of treating the organic fiber with a treating agent containing the adhesive agent composition and a resorcin-formalin-rubber latex (RFL).Type: ApplicationFiled: February 3, 2015Publication date: June 15, 2017Applicant: NAGASE CHEMTEX CORPORATIONInventors: Satoru FUJII, Tetsuya HOSOMI, Masato FUSHIKI, Toyohiro NAGANO
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Publication number: 20170015808Abstract: The present invention aims to provide a water-absorbing resin crosslinking agent which is excellent in safety and which can effectively crosslink a water-absorbing resin at low temperatures to produce a water-absorbing agent having a high water absorption capacity. The present invention also aims to provide a water-absorbing agent produced by crosslinking a water-absorbing resin with the water-absorbing resin crosslinking agent, and a method for producing the water-absorbing agent. The present invention may include a water-absorbing resin crosslinking agent containing a halohydrin compound having one halohydrin group represented by the following formula (1) in its molecule: wherein A represents a single bond or an alkylene group; R1 represents a hydrogen atom or an alkyl group; and X represents a chlorine atom or a bromine atom.Type: ApplicationFiled: March 19, 2015Publication date: January 19, 2017Inventors: Tetsuya HOSOMI, Masato FUSHIKI, Toyohiro NAGANO
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Publication number: 20170014802Abstract: The present invention aims to provide a crosslinking agent composition for water-absorbing resins with which it is possible to produce a water-absorbing agent having a high water absorption capacity. The present invention also aims to provide a water-absorbing agent produced by crosslinking a water-absorbing resin with the crosslinking agent composition for water-absorbing resins. The present invention may include a crosslinking agent composition for water-absorbing resins containing a crosslinking agent (A) and a water absorption improver (B), wherein the water absorption improver (B) is a halohydrin compound (b1) represented by the formula (1) below or a compound (b2) containing at least one selected from the group consisting of carbonate, carbamide, carbamate, and ureide groups: wherein X represents a chlorine atom or a bromine atom; and Y represents a hydroxyl group, a chlorine atom, or a bromine atom.Type: ApplicationFiled: March 19, 2015Publication date: January 19, 2017Inventors: Tetsuya HOSOMI, Masato FUSHIKI, Toyohiro NAGANO
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Publication number: 20150353673Abstract: An object of the present invention is to provide an epoxy resin that does not release compounds suspected of being endocrine-disrupting chemicals, and can be used as a starting material for cured products having excellent surface hardness, excellent chemical resistance, excellent lightfastness, and excellent flexibility. The epoxy resin of the present invention has a number-average molecular weight from 400 to 100,000, and is represented by the following general formula (1): wherein A represents a heterocyclic structural unit.Type: ApplicationFiled: January 28, 2014Publication date: December 10, 2015Inventors: Yoshihiko SHIRAKI, Tetsuya HOSOMI
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Patent number: 8592520Abstract: An aqueous dispersion used for producing a conductive film is provided. The dispersion contains a complex of poly(3,4-dialkoxythiophene) and a polyanion, and is produced by polymerizing 3,4-dialkoxythiophene in an aqueous solvent in the presence of the polyanion by using peroxodisulfuric acid as an oxidizing agent or by using an oxidizing agent and an acid that is employed so as to lower pH of the reaction mixture.Type: GrantFiled: July 25, 2003Date of Patent: November 26, 2013Assignee: Heraeus Precious Metals GmbH & Co. KGInventors: Stephan Kirchmeyer, Klaus Wussow, Tetsuya Hosomi, Yasuo Chikusa
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Publication number: 20130308180Abstract: Disclosed herein is an infrared reflective substrate that can be easily produced by application onto the surface of a base material, has a film having a small film thickness, and achieves both high light permeability and excellent infrared reflective performance. The infrared reflective substrate includes: a transparent base material; and an infrared reflective layer formed by applying a coating agent containing a complex of poly(3,4-disubstituted thiophene) and a polyanion onto the transparent base material, and has a total light transmittance of 60% or higher. The complex preferably has a conductivity of 0.15 (S/cm) or higher, and the infrared reflective layer preferably has a film thickness of 0.50 ?m or less.Type: ApplicationFiled: January 30, 2012Publication date: November 21, 2013Applicant: NAGASE CHEMTEX CORPORATIONInventors: Kyoko Miyanishi, Takafumi Fujita, Tetsuya Hosomi
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Patent number: 8512812Abstract: An aqueous dispersion used for producing a conductive film is provided. The dispersion contains a complex of poly(3,4-dialkoxythiophene) and a polyanion, and is produced by polymerizing 3,4-dialkoxythiophene in an aqueous solvent in the presence of the polyanion by using peroxodisulfuric acid as an oxidizing agent or by using an oxidizing agent and an acid that is employed so as to lower pH of the reaction mixture.Type: GrantFiled: January 8, 2013Date of Patent: August 20, 2013Assignee: Heraeus Precious Metals GmbH & Co. KGInventors: Stephan Kirchmeyer, Klaus Wussow, Tetsuya Hosomi, Yasua Chikusa
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Publication number: 20120208978Abstract: An electrically conductive polymer obtained by oxidative polymerization of a heterocycle-containing aromatic compound as a monomer, wherein the heterocycle-containing aromatic compound is represented by the formula: A-B. In the above formula, A represents a substituted or unsubstituted thiophene ring group, or a substituted or unsubstituted pyrrole ring group; B represents a substituted or unsubstituted hydrocarbon aromatic ring group, a substituted or unsubstituted thiophene ring group, or a substituted or unsubstituted pyrrole ring group; the ring represented by A and the ring represented by B are directly linked; however, A and B represent structures that are different from each other. The compound can be produced by a coupling reaction using a hypervalent iodine reactant.Type: ApplicationFiled: April 24, 2012Publication date: August 16, 2012Applicant: NAGASE CHEMTEX CORPORATIONInventors: Yasuyuki KITA, Toshifumi DOHI, Koji MORIMOTO, Yoshiyuki MORITA, Tetsuya HOSOMI, Setsuko ISHIOKA
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Patent number: 8163863Abstract: A polysilane having excellent functionalities (e.g., solubility in a solvent and reactivity) is obtained by introducing a structural unit of the following formula (1) to a polysilane through a reaction of a dihalosilane having a Si—H bond and adding a hydrosilylatable compound (e.g., a compound having a carbon-carbon unsaturated bond) to the Si—H bond, wherein R1 represents a hydrogen atom, an organic group, or a silyl group; and “n” denotes an integer of not less than 1.Type: GrantFiled: December 1, 2006Date of Patent: April 24, 2012Assignee: Osaka Gas Co., Ltd.Inventors: Hiroki Sakamoto, Hiroaki Murase, Tsuyoshi Fujiki, Shingo Osawa, Yoshiyuki Morita, Tetsuya Hosomi, Nobuaki Aoki
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Publication number: 20110190461Abstract: A heterocycle-containing aromatic compound represented by the formula: A-B, and an electrically conductive polymer obtained by oxidative polymerization of the heterocycle-containing aromatic compound as a monomer are provided. In the above formula, A represents a substituted or unsubstituted thiophene ring group, or a substituted or unsubstituted pyrrole ring group; B represents a substituted or unsubstituted hydrocarbon aromatic ring group, a substituted or unsubstituted thiophene ring group, or a substituted or unsubstituted pyrrole ring group; the ring represented by A and the ring represented by B are directly linked; however, A and B represent structures that are different from each other. The compound can be produced by a coupling reaction using a hypervalent iodine reactant.Type: ApplicationFiled: September 10, 2008Publication date: August 4, 2011Applicant: NAGASE CHEMTEX CORPORATIONInventors: Yasuyuki Kita, Toshifumi Dohi, Koji Morimoto, Yoshiyuki Morita, Tetsuya Hosomi, Setsuko Ishioka
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Publication number: 20090156775Abstract: A polysilane having excellent functionalities (e.g., solubility in a solvent and reactivity) is obtained by introducing a structural unit of the following formula (1) to a polysilane through a reaction of a dihalosilane having a Si—H bond and adding a hydrosilylatable compound (e.g., a compound having a carbon-carbon unsaturated bond) to the Si—H bond, wherein R1 represents a hydrogen atom, an organic group, or a silyl group; and “n” denotes an integer of not less than 1.Type: ApplicationFiled: December 1, 2006Publication date: June 18, 2009Applicant: OSAKA GAS CO., LTD.Inventors: Hiroki Sakamoto, Hiroaki Murase, Tsuyoshi Fujiki, Shingo Osawa, Yoshiyuki Morita, Tetsuya Hosomi, Nobuaki Aoki
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Publication number: 20040152832Abstract: An aqueous dispersion used for producing a conductive film is provided. The dispersion contains a complex of poly(3,4-dialkoxythiophene) and a polyanion, and is produced by polymerizing 3,4-dialkoxythiophene in an aqueous solvent in the presence of the polyanion by using peroxodisulfuric acid as an oxidizing agent or by using an oxidizing agent and an acid that is employed so as to lower pH of the reaction mixture.Type: ApplicationFiled: July 25, 2003Publication date: August 5, 2004Inventors: Stephan Kirchmeyer, Klaus Wussow, Tetsuya Hosomi, Yasuo Chikusa
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Patent number: 6723797Abstract: A crosslinking agent for water-absorbing resins which comprises (A) at least one halohydrin compound selected between (A1) a first halohydrin compound having per molecule at least two halohydrin groups (D) represented by the general formula (I), wherein R1 represents hydrogen or alkyl and X represents chlorine or bromine and (A2) a second halohydrin compound having per molecule at least two halohydrin groups (D) represented by the formula (I) and having per molecule at least one ammonium group (M) represented by the general formula (II), wherein R2's each independently represents a C1-4 hydrocarbon group or benzyl.Type: GrantFiled: June 4, 2002Date of Patent: April 20, 2004Assignee: Nagase Chemtex CorporationInventors: Satoru Fujii, Yoshiyuki Morita, Tetsuya Hosomi, Nobuaki Aoki
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Publication number: 20020185629Abstract: A crosslinking agent for use in the crosslinking of water absorbing resin particles which comprises at least one halohydrin compound (A) selected from the group consisting of:Type: ApplicationFiled: June 4, 2002Publication date: December 12, 2002Inventors: Satoru Fujii, Yoshiyuki Morita, Tetsuya Hosomi, Nobuaki Aoki