Patents by Inventor Masayuki Furuya
Masayuki Furuya 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: 10399930Abstract: A manufacturing method of an isocyanate compound including obtaining a reaction solution containing an aldehyde compound by reacting a compound represented by Formula (a1) or (a2) with hydrogen and carbon monoxide in the presence of a metal compound of groups 8 to 10 and a phosphorus compound, neutralizing the reaction solution, purifying an aldehyde compound by distilling the neutralized reaction solution, reacting the aldehyde compound with ammonia and with hydrogen in the presence of a catalyst to obtain an amine compound; and reacting the amine compound with a carbonylating agent to obtain an isocyanate compound, wherein the phosphorus compound is represented by the Formula (R1O)3P, and the base compound is at least one selected from carbonate and hydrogen carbonate of metals of group I and carbonate and hydrogen carbonate of metals of group II, wherein the neutralizing the reaction solution is performed within a temperature range of 40° C. to 50° C.Type: GrantFiled: October 3, 2017Date of Patent: September 3, 2019Assignee: MITSUI CHEMICALS, INC.Inventors: Naoyuki Kakinuma, Masayuki Furuya, Michiharu Sakata, Koichi Tokunaga, Shigetoshi Kuma
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Publication number: 20190248949Abstract: A polymerizable composition for an optical material of the present invention includes (A) a compound of which pKa value is 1 to 9, (B) a di- or higher functional iso(thio)cyanate compound, and (C) a di- or higher functional active hydrogen compound.Type: ApplicationFiled: October 31, 2017Publication date: August 15, 2019Applicant: Mitsui Chemicals, Inc.Inventors: Shinsuke Ito, Masayuki Furuya, Kouji Suesugi, Takeshi Nishimura, Mamoru Tanaka
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Publication number: 20190100614Abstract: A polymerizable composition for an optical material according to the present invention includes one or two or more compounds selected from the group consisting of component (A): an ester compound having a specific structure and component (B): an ether compound having a specific structure, and a polymerizable compound.Type: ApplicationFiled: March 29, 2017Publication date: April 4, 2019Applicant: MITSUI CHEMICALS, INC.Inventors: Shinsuke Ito, Koji Suesugi, Masayuki Furuya, Takeshi Nishimura, Mamoru Tanaka
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Publication number: 20190091953Abstract: A process for producing a plastic lens includes a step of stirring and mixing a solution including a polymerization reactive compound in a preparation tank; a step of transferring the polymerizable composition obtained in the step from the preparation tank to a lens casting mold; a step of curing the polymerizable composition; and a step of obtaining a plastic lens molded product by separating the obtained resin from the lens casting mold. The step of transferring the polymerizable composition includes a step of re-mixing the polymerizable composition discharged from the preparation tank and injecting the polymerizable composition into the lens casting mold.Type: ApplicationFiled: June 13, 2016Publication date: March 28, 2019Applicant: MITSUI CHEMICALS, INC.Inventors: Shinsuke ITO, Kouji SUESUGI, Masayuki FURUYA, Takeshi NISHIMURA, Mamoru TANAKA
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Publication number: 20180186733Abstract: A process for producing a pentaerythritol mercaptocarboxylic acid ester of the present invention includes: a step of reacting pentaerythritol with a mercaptocarboxylic acid, in which an absorbance of a 5 wt % aqueous solution of the pentaerythritol at a wavelength of 270 nm, which is measured using a quartz cell having an optical path length of 50 mm, is 0.07 or less.Type: ApplicationFiled: June 24, 2016Publication date: July 5, 2018Applicant: MITSUI CHEMICALS, INC.Inventors: Shigetoshi KUMA, Masayuki FURUYA, Takeshi NISHIMURA
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Publication number: 20180093945Abstract: A manufacturing method of an isocyanate compound including obtaining a reaction solution containing an aldehyde compound by reacting a compound represented by Formula (a1) or (a2) with hydrogen and carbon monoxide in the presence of a metal compound of groups 8 to 10 and a phosphorus compound, neutralizing the reaction solution, purifying an aldehyde compound by distilling the neutralized reaction solution, reacting the aldehyde compound with ammonia and with hydrogen in the presence of a catalyst to obtain an amine compound; and reacting the amine compound with a carbonylating agent to obtain an isocyanate compound, wherein the phosphorus compound is represented by the Formula (R1O)3P, and the base compound is at least one selected from carbonate and hydrogen carbonate of metals of group I and carbonate and hydrogen carbonate of metals of group II, wherein the neutralizing the reaction solution is performed within a temperature range of 40° C. to 50° C.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Applicant: Mitsui Chemicals, Inc.Inventors: Naoyuki KAKINUMA, Masayuki FURUYA, Michiharu SAKATA, Koichi TOKUNAGA, Shigetoshi KUMA
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Publication number: 20180093944Abstract: A manufacturing method of an amine compound including obtaining a reaction solution containing an aldehyde compound by reacting a compound represented by Formula (a1) or (a2) with hydrogen and carbon monoxide in the presence of a metal compound of groups 8 to 10 and a phosphorus compound, neutralizing the reaction, purifying an aldehyde compound by distilling the neutralized reaction solution, and reacting the aldehyde compound with ammonia and with hydrogen in the presence of a catalyst to obtain an amine compound, wherein the phosphorus compound is represented by the Formula (R1O)3P, and the base compound is at least one selected from carbonate and hydrogen carbonate of metals of group I and carbonate and hydrogen carbonate of metals of group II, and wherein the neutralizing the reaction solution is performed within a temperature range of 40° C. to 50° C.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Applicant: Mitsui Chemicals, Inc.Inventors: Naoyuki KAKINUMA, Masayuki FURUYA, Michiharu SAKATA, Koichi TOKUNAGA, Shigetoshi KUMA
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Patent number: 9809533Abstract: The purification method of an aldehyde compound of the present invention includes a step of neutralizing a reaction solution containing an aldehyde compound by adding water and a base compound to the reaction solution, and a step of distilling the neutralized reaction solution, in which the reaction solution is obtained by reacting a compound represented by the following Formula (a1) or (a2) with hydrogen and carbon monoxide in the presence of a metal compound of groups 8 to 10 and a phosphorus compound, the phosphorus compound is represented by Formula (R1O)3P, and the base compound is at least one kind selected from among carbonate and hydrogen carbonate of metals of group I on the periodic table and carbonate and hydrogen carbonate of metals of group II on the periodic table.Type: GrantFiled: November 8, 2013Date of Patent: November 7, 2017Assignee: MITSUI CHEMICALS, INC.Inventors: Naoyuki Kakinuma, Masayuki Furuya, Michiharu Sakata, Koichi Tokunaga, Shigetoshi Kuma
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Patent number: 9227925Abstract: A process for producing an aldehyde compound of the invention comprising: reacting a compound represented by the following formula (a1) or (a2) with a hydrogen and a carbon monoxide in a presence of a compound containing a metal belonging to Groups 8 to 10 and a phosphorous compound so as to satisfy the following conditions (1) and (2) to synthesize an aldehyde compound; wherein the condition (1) is that a content of a metal included in the compound containing a metal belonging to Groups 8 to 10 is 0.Type: GrantFiled: May 7, 2012Date of Patent: January 5, 2016Assignee: MITSUI CHEMICALS, INC.Inventors: Shigetoshi Kuma, Michiharu Sakata, Kouichi Tokunaga, Chitoshi Shimakawa, Naoyuki Kakinuma, Masayuki Furuya, Mamoru Tanaka
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Patent number: 9206119Abstract: There is provided a process for preparing ?-mercaptocarboxylic acid represented by the following General Formula (3) comprising step of reacting hydrogen sulfide, alkali hydroxide represented by a formula: XOH (X represents Na or K), and unsaturated carboxylic acid represented by the following General Formula (1) under atmospheric pressure to obtain a reaction solution including a compound represented by the following General Formula (2) and step of neutralizing the reaction solution in an acid. An amount of the alkali hydroxide is equal to or greater than total moles of the unsaturated carboxylic acid and the hydrogen sulfide.Type: GrantFiled: November 20, 2012Date of Patent: December 8, 2015Assignee: MITSUI CHEMICALS INC.Inventors: Masayuki Furuya, Tatsuya Ogawa, Takeshi Nishimura
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Patent number: 9133112Abstract: A process for preparing ?-mercaptocarboxylic acid is provided with Step a for reacting a compound represented by a formula: X12S or a compound represented by a formula: X2SH, alkali hydroxide represented by a formula: X3OH (the X groups being defined), and unsaturated carboxylic acid represented by the following General Formula (1) to obtain a reaction solution including a compound represented by the following General Formula (2) and a compound represented by the following General Formula (3), Step b for neutralizing the reaction solution obtained in Step a with an acid to obtain a reaction solution including ?-mercaptocarboxylic acid represented by the following General Formula (4) and a compound represented by the following General Formula (5), Step c for distillation-refining the reaction solution obtained in Step b to obtain the ?-mercaptocarboxylic acid, and Step d for returning a distillation residue in Step c to Step a.Type: GrantFiled: November 20, 2012Date of Patent: September 15, 2015Assignee: MITSUI CHEMICALS, INC.Inventors: Masayuki Furuya, Tatsuya Ogawa, Takeshi Nishimura
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Publication number: 20140323761Abstract: A process for preparing ?-mercaptocarboxylic acid is provided with Step a for reacting a compound represented by a formula: X12S or a compound represented by a formula: X2SH, alkali hydroxide represented by a formula: X3OH (the X groups being defined), and unsaturated carboxylic acid represented by the following General Formula (1) to obtain a reaction solution including a compound represented by the following General Formula (2) and a compound represented by the following General Formula (3), Step b for neutralizing the reaction solution obtained in Step a with an acid to obtain a reaction solution including ?-mercaptocarboxylic acid represented by the following General Formula (4) and a compound represented by the following General Formula (5), Step c for distillation-refining the reaction solution obtained in Step b to obtain the ?-mercaptocarboxylic acid, and Step d for returning a distillation residue in Step c to Step a.Type: ApplicationFiled: November 20, 2012Publication date: October 30, 2014Inventors: Masayuki Furuya, Tatsuya Ogawa, Takeshi Nishimura
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Publication number: 20140288329Abstract: There is provided a process for preparing ?-mercaptocarboxylic acid represented by the following General Formula (3) comprising step of reacting hydrogen sulfide, alkali hydroxide represented by a formula: XOH (X represents Na or K), and unsaturated carboxylic acid represented by the following General Formula (1) under atmospheric pressure to obtain a reaction solution including a compound represented by the following General Formula (2) and step of neutralizing the reaction solution in an acid. An amount of the alkali hydroxide is equal to or greater than total moles of the unsaturated carboxylic acid and the hydrogen sulfide.Type: ApplicationFiled: November 20, 2012Publication date: September 25, 2014Applicant: Mitsui Chemicals, Inc.Inventors: Masayuki Furuya, Tatsuya Ogawa, Takeshi Nishimura
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Publication number: 20140088321Abstract: A process for producing an aldehyde compound of the invention comprising: reacting a compound represented by the following formula (a1) or (a2) with a hydrogen and a carbon monoxide in a presence of a compound containing a metal belonging to Groups 8 to 10 and a phosphorous compound so as to satisfy the following conditions (1) and (2) to synthesize an aldehyde compound; wherein the condition (1) is that a content of a metal included in the compound containing a metal belonging to Groups 8 to 10 is 0.Type: ApplicationFiled: May 7, 2012Publication date: March 27, 2014Applicant: Mitsui Chemicals, Inc.Inventors: Shigetoshi Kuma, Michiharu Sakata, Kouichi Tokunaga, Chitoshi Shimakawa, Naoyuki Kakinuma, Masayuki Furuya, Mamoru Tanaka
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Patent number: 8637277Abstract: The present invention provides is a method for producing 3-mercaptopropionic acid from 3-mercaptopropionamide or a salt thereof with the use of an amidase. The method enables the production of 3-mercaptopropionic acid on an industrial scale through an enzymatic reaction.Type: GrantFiled: April 30, 2010Date of Patent: January 28, 2014Assignee: Mitsui Chemicals, Inc.Inventors: Tadashi Araki, Masayuki Furuya, Hidetoshi Hayashi
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Publication number: 20120040418Abstract: The present invention provides is a method for producing 3-mercaptopropionic acid from 3-mercaptopropionamide or a salt thereof with the use of an amidase. The method enables the production of 3-mercaptopropionic acid on an industrial scale through an enzymatic reaction.Type: ApplicationFiled: April 30, 2010Publication date: February 16, 2012Applicant: MITSUI CHEMICALS INC.Inventors: Tadashi Araki, Masayuki Furuya, Hidetoshi Hayashi
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Patent number: 7622563Abstract: A glycoside in which at least two phenolic hydroxyl groups of a compound having at least two phenolic hydroxyl groups in its molecule are glycosidically linked to anomeric carbon atoms of at least two sugar molecules can be prepared with high yield by a method including the step of allowing phenolic hydroxyl groups of a compound having at least two phenolic hydroxyl groups in its molecule to react with sugar molecules each having an acetylated hydroxyl group attached to an anomeric carbon atom in the presence of an organic solvent and an acid catalyst while removing acetic acid formed during the reaction from the reaction system.Type: GrantFiled: July 11, 2003Date of Patent: November 24, 2009Assignee: Mitsui Chemicals, Inc.Inventors: Masayuki Furuya, Hidetoshi Tsunoda, Tsuneji Suzuki, Akinori Nagatomo, Masaru Wada
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Publication number: 20050272921Abstract: A glycoside in which at least two phenolic hydroxyl groups of a compound having at least two phenolic hydroxyl groups in its molecule are glycosidically linked to anomeric carbon atoms of at least two sugar molecules can be prepared with high yield by a method including the step of allowing phenolic hydroxyl groups of a compound having at least two phenolic hydroxyl groups in its molecule to react with sugar molecules each having an acetylated hydroxyl group attached to an anomeric carbon atom in the presence of an organic solvent and an acid catalyst while removing acetic acid formed during the reaction from the reaction system.Type: ApplicationFiled: July 11, 2003Publication date: December 8, 2005Applicant: MITSUI CHEMICALS, INC.Inventors: Masayuki Furuya, Hidetoshi Tsunoda, Tsuneji Suzuki, akinori Nagatomo, Masaru Wada
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Patent number: D505368Type: GrantFiled: February 23, 2004Date of Patent: May 24, 2005Assignee: Kabushiki Kaisha CarmateInventor: Masayuki Furuya
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Patent number: D553232Type: GrantFiled: January 18, 2007Date of Patent: October 16, 2007Assignee: Car Mate Mfg. Co., Ltd.Inventor: Masayuki Furuya