Patents by Inventor Yusuke TAKAHIRA
Yusuke TAKAHIRA 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: 10975053Abstract: The present invention relates to a method for producing a 1,3-dioxolane compound represented by formula 1, the method containing step (a), in which hexafluoroacetone monohydrate is brought into contact with a metal fluoride, step (b), in which fluorine gas is brought into contact, and step (c), in which an olefin compound represented by formula 2 is brought into contact. In formulae 1 and 2, X1 to X4 each independently represent a hydrogen atom, fluorine atom, chlorine atom, or trifluoromethyl group.Type: GrantFiled: July 23, 2020Date of Patent: April 13, 2021Assignee: AGC INC.Inventors: Daisuke Jomuta, Yusuke Takahira, Nobuyuki Otozawa, Chikaya Tamitsuji
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Publication number: 20200354332Abstract: The present invention relates to a method for producing a 1,3-dioxolane compound represented by formula 1, the method containing step (a), in which hexafluoroacetone monohydrate is brought into contact with a metal fluoride, step (b), in which fluorine gas is brought into contact, and step (c), in which an olefin compound represented by formula 2 is brought into contact. In formulae 1 and 2, X1 to X4 each independently represent a hydrogen atom, fluorine atom, chlorine atom, or trifluoromethyl group.Type: ApplicationFiled: July 23, 2020Publication date: November 12, 2020Applicant: AGC Inc.Inventors: Daisuke JOMUTA, Yusuke TAKAHIRA, Nobuyuki OTOZAWA, Chikaya TAMITSUJI
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Patent number: 10421702Abstract: A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).Type: GrantFiled: September 15, 2017Date of Patent: September 24, 2019Assignee: AGC Inc.Inventor: Yusuke Takahira
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Patent number: 10407365Abstract: A method for producing at least one olefin compound selected from the group consisting of a compound of formula (51), a compound of formula (52), a compound of formula (53), and a compound of formula (54), the method including reacting an olefin compound of formula (21) with a olefin compound of formula (31) in the presence of at least one metal catalyst selected from the group consisting of a compound of formula (11), a compound of formula (12), a compound of formula (13), a compound of formula (14), and a compound of formula (15).Type: GrantFiled: June 26, 2017Date of Patent: September 10, 2019Assignee: AGC Inc.Inventor: Yusuke Takahira
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Patent number: 10358400Abstract: A method for producing at least one olefin compound selected from the group consisting of a compound of formula (51) and a compound of formula (52), the method including reacting an olefin compound of formula (21) with a olefin compound of formula (31) in the presence of at least one metal catalyst selected from the group consisting of a compound of formula (11), a compound of formula (12), a compound of formula (13), a compound of formula (14), and a compound of formula (15).Type: GrantFiled: June 26, 2017Date of Patent: July 23, 2019Assignee: AGC Inc.Inventors: Yusuke Takahira, Daisuke Jomuta
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Patent number: 10252959Abstract: A method for producing at least one compound of a fluorine-containing olefin compound (51) or a fluorine-containing olefin compound (52) includes performing a reaction of a fluorine-containing olefin compound (21) with an olefin compound (31) in the presence of a metal-carbene complex compound having an olefin metathesis reaction activity and an olefin compound (41) or (42).Type: GrantFiled: September 1, 2017Date of Patent: April 9, 2019Assignee: AGC Inc.Inventor: Yusuke Takahira
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Publication number: 20180086684Abstract: A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).Type: ApplicationFiled: September 15, 2017Publication date: March 29, 2018Applicant: Asahi Glass Company, LimitedInventor: Yusuke TAKAHIRA
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Publication number: 20170369402Abstract: A method for producing at least one compound of a fluorine-containing olefin compound (51) or a fluorine-containing olefin compound (52) includes performing a reaction of a fluorine-containing olefin compound (21) with an olefin compound (31) in the presence of a metal-carbene complex compound having an olefin metathesis reaction activity and an olefin compound (41) or (42).Type: ApplicationFiled: September 1, 2017Publication date: December 28, 2017Applicant: Asahi Glass Company, LimitedInventor: Yusuke TAKAHIRA
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Publication number: 20170335051Abstract: A method for producing a fluorine-containing polymer includes subjecting at least one kind of fluorine-containing cycloolefin compound selected from the group consisting of a fluorine-containing cycloolefin compound represented by the following formula (41) and a fluorine-containing cycloolefin compound represented by the following formula (42) to ring-opening metathesis polymerization in the presence of a metal-carbene complex compound (10) having an olefin metathesis reaction activity.Type: ApplicationFiled: August 7, 2017Publication date: November 23, 2017Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yusuke TAKAHIRA, Shinji WADA, Daisuke JOMUTA
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Patent number: 9796647Abstract: A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).Type: GrantFiled: December 20, 2016Date of Patent: October 24, 2017Assignee: Asahi Glass Company, LimitedInventor: Yusuke Takahira
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Publication number: 20170291862Abstract: A method for producing at least one olefin compound selected from the group consisting of a compound of formula (51), a compound of formula (52), a compound of formula (53), and a compound of formula (54), the method including reacting an olefin compound of formula (21) with a olefin compound of formula (31) in the presence of at least one metal catalyst selected from the group consisting of a compound of formula (11), a compound of formula (12), a compound of formula (13), a compound of formula (14), and a compound of formula (15).Type: ApplicationFiled: June 26, 2017Publication date: October 12, 2017Applicant: ASAHI GLASS COMPANY, LIMITEDInventor: Yusuke TAKAHIRA
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Publication number: 20170291863Abstract: A method for producing at least one olefin compound selected from the group consisting of a compound of formula (51) and a compound of formula (52), the method including reacting an olefin compound of formula (21) with a olefin compound of formula (31) in the presence of at least one metal catalyst selected from the group consisting of a compound of formula (11), a compound of formula (12), a compound of formula (13), a compound of formula (14), and a compound of formula (15).Type: ApplicationFiled: June 26, 2017Publication date: October 12, 2017Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yusuke TAKAHIRA, Daisuke JOMUTA
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Publication number: 20170101360Abstract: A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).Type: ApplicationFiled: December 20, 2016Publication date: April 13, 2017Applicant: Asahi Glass Company, LimitedInventor: Yusuke TAKAHIRA
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Patent number: 9598335Abstract: A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).Type: GrantFiled: February 29, 2016Date of Patent: March 21, 2017Assignee: ASAHI GLASS COMPANY, LIMITEDInventor: Yusuke Takahira
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Publication number: 20170050934Abstract: To provide a pyrimidine derivative having a fluorinated substituent group, that can be applied to an agricultural chemical or pharmaceutical having excellent pharmacological activities, and a method for producing said derivative. A compound represented by the following formula (A). Rf is a group having an etheric (ethereal) oxygen atom inserted between carbon-carbon atoms in a C2-19 perfluoroalkyl group, wherein the total of the number of carbon atoms and the number of oxygen atoms is from 3 to 20. R1 is a C1-6 alkyl group, etc. Q1 is R2C(O)—, R3OC(O)—, a carboxy group, R4OC(O)NH—, an amino group, or R5C(O)NH—(R2 to R5 are each independently a C1-6 alkyl group, etc.).Type: ApplicationFiled: November 8, 2016Publication date: February 23, 2017Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yoshitomi MORIZAWA, Yusuke TAKAHIRA, Daisuke JYOUMUTA, Takahashi NAKANO
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Patent number: 9575246Abstract: Provided are: a prepolymer which is capable of forming a non-linear optical material that has excellent non-linear optical effect, heat resistance, withstand voltage and transparency; a curable material which contains the prepolymer; a coating composition which contains the curable material and a solvent; a non-linear optical material which is obtained by curing the curable material; an optical waveguide which uses the non-linear optical material; and a light control device which is provided with the optical waveguide. The present invention uses a prepolymer having a crosslinkable functional group, which is obtained by reacting one or more compounds (X) that are selected from the group consisting of compounds (X1), compounds (X2) and compounds (X3), a compound (Y) that is represented by formula (Y), a compound (Z) that has three or more phenolic hydroxyl groups, and an organic compound (B) that exerts a non-linear optical effect and has a reactive group.Type: GrantFiled: December 24, 2014Date of Patent: February 21, 2017Assignee: Asahi Glass Company, LimitedInventors: Eisuke Murotani, Keiko Fukuda, Yusuke Takahira
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Publication number: 20160295864Abstract: To provide a pyrazole derivative having a superior fluorinated substituent, which is useful for pharmaceutical products or agricultural chemicals having pharmacological activities, and a method for its production. A compound represented by the following formula (A), wherein Rf is a C2-19 perfluoroalkyl group having ethereal oxygen atom(s) inserted between carbon-carbon atoms of the group, and the total number of carbon atoms and oxygen atoms in Rf being from 3 to 20, one of Q1 and Q2 is a hydrogen atom, and the other is a phenyl group, or a phenyl group in which at least one hydrogen atom in the phenyl group is each independently substituted by a halogen atom, and one of A1 and A2 is a nitrogen atom, and the other is a nitrogen atom to which R1 is bonded.Type: ApplicationFiled: June 23, 2016Publication date: October 13, 2016Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yoshitomi MORIZAWA, Yusuke TAKAHIRA
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Publication number: 20160176791Abstract: A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9).Type: ApplicationFiled: February 29, 2016Publication date: June 23, 2016Applicant: Asahi Glass Company, LimitedInventor: Yusuke TAKAHIRA
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Publication number: 20150153509Abstract: Provided are: a prepolymer which is capable of forming a non-linear optical material that has excellent non-linear optical effect, heat resistance, withstand voltage and transparency; a curable material which contains the prepolymer; a coating composition which contains the curable material and a solvent; a non-linear optical material which is obtained by curing the curable material; an optical waveguide which uses the non-linear optical material; and a light control device which is provided with the optical waveguide. The present invention uses a prepolymer having a crosslinkable functional group, which is obtained by reacting one or more compounds (X) that are selected from the group consisting of compounds (X1), compounds (X2) and compounds (X3), a compound (Y) that is represented by formula (Y), a compound (Z) that has three or more phenolic hydroxyl groups, and an organic compound (B) that exerts a non-linear optical effect and has a reactive group.Type: ApplicationFiled: December 24, 2014Publication date: June 4, 2015Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Eisuke MUROTANI, Keiko FUKUDA, Yusuke TAKAHIRA