Patents by Inventor Sumi Ishihara
Sumi Ishihara 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: 20200172476Abstract: A sulfuric acid ester containing a plurality of carbonyl groups or a salt thereof, and a surfactant. The sulfuric acid ester is a compound represented by the following formula: R1—C(?O)—R2—C(?O)—R3—OSO3X wherein R1, R2 and R3 are as defined herein; X is H, a metal atom, NR44, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent, where R4s are each H or an organic group and are the same as or different from each other; and any two of R1, R2, and R3 optionally bind to each other to form a ring.Type: ApplicationFiled: September 29, 2017Publication date: June 4, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Satoru YONEDA, Manabu FUJISAWA, Kazuya ASANO, Takahiro KITAHARA, Masahiro HIGASHI, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA
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Publication number: 20200024219Abstract: A carboxylic acid or sulfonic acid salt containing a plurality of carbonyl groups, and a surfactant represented by the following formula: R1—C(?O)—R2—C(?O)—R3-A wherein R1, R2 and R3 are as defined herein, and A is —COOX or —SO3X, wherein X is H, a metal atom, NR44, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent, where R4s are each H or an organic group and are the same as or different from each other; and any two of R1, R2, and R3 optionally bind to each other to form a ring.Type: ApplicationFiled: September 29, 2017Publication date: January 23, 2020Applicant: Daikin Industries, Ltd.Inventors: Masahiro HIGASHI, Satoru YONEDA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA, Hirokazu AOYAMA
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Publication number: 20200024222Abstract: The invention provides a novel hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester, or a salt thereof, and a surfactant. Each of them is a compound represented by the following formula (1): CR1R2R4—CR3R5—X-A wherein R1 to R5 are each H or a monovalent substituent; at least one of R1 or R3 is a group represented by the formula: —Y—R6; at least one of R2 or R5 is a group represented by the formula: —X-A or a group represented by the formula: —Y—R6; and As at the respective appearances are the same as or different from each other, and are each —COOM, —SO3M, or —OSO3M.Type: ApplicationFiled: September 29, 2017Publication date: January 23, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Masahiro HIGASHI, Satoru YONEDA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA, Hirokazu AOYAMA
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Publication number: 20200024229Abstract: A sulfonic acid or carboxylic acid containing a carbonyl group, or a salt thereof represented by the following formula: R1—C(?O)—(CR22)—(OR3)p—(CR42)q-L-A wherein R1, R2, R3, R4, n, p, q, A and L are as defined herein.Type: ApplicationFiled: March 30, 2018Publication date: January 23, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Masahiro HIGASHI, Satoru YONEDA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA, Marina NAKANO, Shinnosuke NITTA, Hirokazu AOYAMA
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Patent number: 10526272Abstract: An object of the present invention is to provide a method for efficiently eliminating water from a composition containing an acrylic acid derivative and water. This problem is solved by a method for eliminating water from a composition A containing: (A) an acrylic acid derivative represented by Formula (I): wherein R1 and R2 are identical or different, and each represents alkyl, fluoroalkyl, aryl that may have one or more substituents, halogen, or hydrogen, R3 represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen, and X represents alkyl, fluoroalkyl, halogen, or hydrogen; and (B) water, the method comprising step A of bringing the composition A into contact with a zeolite.Type: GrantFiled: August 5, 2016Date of Patent: January 7, 2020Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Makoto Matsuura, Yosuke Kishikawa, Asako Yoshiyama, Sumi Ishihara
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Patent number: 10479681Abstract: An object of the present invention is to provide a novel substance that has a high reactivity as a fluorinating agent, is effectively used in various fluorination reactions, and is safely handled even in air. As the solution for achieving this object, the present invention provides a complex obtained by reacting bromine trifluoride with at least one metal halide selected from the group consisting of halogenated metals and halogenated hydrogen metals in a nonpolar solvent. This complex serves as a fluorinating agent that provides excellent fluorination performance and that is stable in air.Type: GrantFiled: January 30, 2019Date of Patent: November 19, 2019Assignees: DAIKIN INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Shoji Hara, Yosuke Kishikawa, Atsushi Shirai, Takashi Namikawa, Sumi Ishihara
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Publication number: 20190256457Abstract: A novel branched fluorine-containing compound represented by formula (1): (Rf—Y?n1L?X-A)n2??(1) wherein L represents a predetermined carbon-containing linker moiety; Rf, in each occurrence, is the same or different and represents fluoroalkyl optionally having at least one ether bond; Y, in each occurrence, is the same or different and represents a predetermined divalent linking group or a bond; RY, in each occurrence, is the same or different and represents hydrogen or an organic group; L represents an (n1+n2)-valent carbon-containing linker moiety having at least one carbon atom; n1 represents a number greater than or equal to 1; n2 represents a number greater than or equal to 1; n1+n2 is a number from 3 to 6; X, in each occurrence, is the same or different and represents a divalent linking group or a bond; A, in each occurrence, is the same or different and represents —ArSO3M or the like; M, in each occurrence, is the same or different and represents hydrogen, —NR4, or a metal salt; and R represents hydrType: ApplicationFiled: September 14, 2017Publication date: August 22, 2019Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Masahiro HIGASHI, Moe HOSOKAWA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA
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Publication number: 20190152779Abstract: An object of the present invention is to provide a novel substance that has a high reactivity as a fluorinating agent, is effectively used in various fluorination reactions, and is safely handled even in air. As the solution for achieving this object, the present invention provides a complex obtained by reacting bromine trifluoride with at least one metal halide selected from the group consisting of halogenated metals and halogenated hydrogen metals in a nonpolar solvent. This complex serves as a fluorinating agent that provides excellent fluorination performance and that is stable in air.Type: ApplicationFiled: January 30, 2019Publication date: May 23, 2019Applicants: DAIKIN INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVESITYInventors: Shoji HARA, Yosuke KISHIKAWA, Atsushi SHIRAI, Takashi NAMIKAWA, Sumi ISHIHARA
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Patent number: 10233080Abstract: An object of the present invention is to provide a novel substance that has a high reactivity as a fluorinating agent, is effectively used in various fluorination reactions, and is safely handled even in air. As the solution for achieving this object, the present invention provides a complex obtained by reacting bromine trifluoride with at least one metal halide selected from the group consisting of halogenated metals and halogenated hydrogen metals in a nonpolar solvent. This complex serves as a fluorinating agent that provides excellent fluorination performance and that is stable in air.Type: GrantFiled: October 2, 2014Date of Patent: March 19, 2019Assignees: DAIKIN INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Shoji Hara, Yosuke Kishikawa, Atsushi Shirai, Takashi Namikawa, Sumi Ishihara
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Publication number: 20180222842Abstract: An object of the present invention is to provide a method for efficiently eliminating water from a composition containing an acrylic acid derivative and water. This problem is solved by a method for eliminating water from a composition A containing: (A) an acrylic acid derivative represented by Formula (I): wherein R1 and R2 are identical or different, and each represents alkyl, fluoroalkyl, aryl that may have one or more substituents, halogen, or hydrogen, R3 represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen, and X represents alkyl, fluoroalkyl, halogen, or hydrogen; and (B) water, the method comprising step A of bringing the composition A into contact with a zeolite.Type: ApplicationFiled: August 5, 2016Publication date: August 9, 2018Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Makoto MATSUURA, Yosuke KISHIKAWA, Asako YOSHIYAMA, Sumi ISHIHARA
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Patent number: 9950984Abstract: An object of the present invention is to provide a process for producing ?-fluoroacrylic acid esters at a high starting material conversion and a high yield. The present invention provides, as a means to achieve the object, a process for producing a compound represented by formula (1): wherein R1 and R2 are the same or different and each represent alkyl, fluoroalkyl, aryl optionally substituted with at least one substituent, halogen, or hydrogen; and R3 represents alkyl, fluoroalkyl, or aryl optionally substituted with at least one substituent, the process comprising step A of reacting a compound represented by formula (2): wherein the symbols are as defined above, with carbon monoxide and an alcohol represented by formula (3): R3—OH??(3) wherein the symbol is as defined above, in the presence of a transition metal complex catalyst containing at least one bidentate phosphine ligand and a base to thereby obtain the compound represented by formula (1).Type: GrantFiled: June 6, 2017Date of Patent: April 24, 2018Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Akihiro Gotou, Manaho Miyazaki, Sumi Ishihara, Takashi Namikawa, Tatsuya Ohtsuka, Yosuke Kishikawa
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Publication number: 20170267626Abstract: An object of the present invention is to provide a process for producing ?-fluoroacrylic acid esters at a high starting material conversion and a high yield. The present invention provides, as a means to achieve the object, a process for producing a compound represented by formula (1): wherein R2 and R2 are the same or different and each represent alkyl, fluoroalkyl, aryl optionally substituted with at least one substituent, halogen, or hydrogen; and R3 represents alkyl, fluoroalkyl, or aryl optionally substituted with at least one substituent, the process comprising step A of reacting a compound represented by formula (2): wherein the symbols are as defined above, with carbon monoxide and an alcohol represented by formula (3): R3—OH??(3) wherein the symbol is as defined above, in the presence of a transition metal complex catalyst containing at least one bidentate phosphine ligand and a base to thereby obtain the compound represented by formula (1).Type: ApplicationFiled: June 6, 2017Publication date: September 21, 2017Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Akihiro GOTOU, Manaho MIYAZAKI, Sumi ISHIHARA, Takashi NAMIKAWA, Tatsuya OHTSUKA, Yosuke KISHIKAWA
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Patent number: 9758455Abstract: Object: An object of the present invention is to provide a method for producing, with a high yield, a fluorinated organic compound, the fluorinated organic compound having not been produced with a sufficient yield by a conventional method for producing a fluorinated organic compound using a fluorinating agent containing IF5-pyridine-HF alone. Another object of the present invention is to provide a fluorinating reagent. Means for achieving the object: A method for producing a fluorinated organic compound comprising step A of fluorinating an organic compound by bringing the organic compound into contact with (1) IF5-pyridine-HF and (2) at least one additive selected from the group consisting of amine hydrogen fluorides, XaF (wherein Xa represents hydrogen, potassium, sodium, or lithium), oxidizers, and reducing agents.Type: GrantFiled: April 1, 2015Date of Patent: September 12, 2017Assignees: DAIKIN INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Masahiro Higashi, Yosuke Kishikawa, Atsushi Shirai, Takashi Namikawa, Sumi Ishihara, Shoji Hara
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Patent number: 9738589Abstract: The object of the present invention is to provide a process for producing ?-fluoroacrylic acid ester at a high starting material conversion, high selectivity, and high yield. The present invention provides a process for producing the compound represented by the formula (1) wherein R represents alkyl optionally substituted with one or more fluorine atoms, the process comprising step A of reacting a compound represented by the formula (2) wherein X represents a bromine atom or a chlorine atom with an alcohol represented by the formula (3) wherein the symbol is as defined above, and carbon monoxide in the presence of a transition metal catalyst and a base to thereby obtain the compound represented by the formula (1).Type: GrantFiled: June 15, 2016Date of Patent: August 22, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tatsuya Ohtsuka, Akihiro Gotou, Sumi Ishihara, Yoshihiro Yamamoto, Akinori Yamamoto, Yoshichika Kuroki, Yuzo Komatsu, Yousuke Kishikawa
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Patent number: 9732027Abstract: An object of the present invention is to provide a process for producing ?-fluoroacrylic acid esters at a high starting material conversion and a high yield. The present invention provides, as a means to achieve the object, a process for producing a compound represented by formula (1): wherein R1 and R2 are the same or different and each represent alkyl, fluoroalkyl, aryl optionally substituted with at least one substituent, halogen, or hydrogen; and R3 represents alkyl, fluoroalkyl, or aryl optionally substituted with at least one substituent, the process comprising step A of reacting a compound represented by formula (2): wherein the symbols are as defined above, with carbon monoxide and an alcohol represented by formula (3): R3—OH??(3) wherein the symbol is as defined above, in the presence of a transition metal complex catalyst containing at least one bidentate phosphine ligand and a base to thereby obtain the compound represented by formula (1).Type: GrantFiled: December 26, 2014Date of Patent: August 15, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Akihiro Gotou, Manaho Miyazaki, Sumi Ishihara, Takashi Namikawa, Tatsuya Ohtsuka, Yosuke Kishikawa
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Patent number: 9701614Abstract: An object of the present invention is to provide a process for producing ?-fluoroacrylic acid esters at a high starting material conversion and a high yield. The present invention provides, as a means to achieve the object, a process for producing a compound represented by formula (1): wherein R1 and R2 are the same or different and each represent alkyl, fluoroalkyl, aryl optionally substituted with at least one substituent, halogen, or hydrogen; and R3 represents alkyl, fluoroalkyl, or aryl optionally substituted with at least one substituent, the process comprising step A of reacting a compound represented by formula (2): wherein the symbols are as defined above, with carbon monoxide and an alcohol represented by formula (3): R3—OH??(3) wherein the symbol is as defined above, in the presence of a transition metal complex catalyst containing at least one bidentate phosphine ligand and a base to thereby obtain the compound represented by formula (1).Type: GrantFiled: December 26, 2014Date of Patent: July 11, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Akihiro Gotou, Manaho Miyazaki, Sumi Ishihara, Takashi Namikawa, Tatsuya Ohtsuka, Yosuke Kishikawa
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Patent number: 9593058Abstract: An object of the present invention is to provide a production method that makes it possible to produce 1,1-dibromo-1-fluoroethane easily and sustainably. The present invention provides a method for producing 1,1-dibromo-1-fluoroethane, the method comprising step A of reacting 1,1-dibromoethylene with hydrogen fluoride to obtain 1,1-dibromo-1-fluoroethane.Type: GrantFiled: September 3, 2014Date of Patent: March 14, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Atsushi Shirai, Masatoshi Nose, Yosuke Kishikawa, Tatsuya Ohtsuka, Sumi Ishihara
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Publication number: 20160332877Abstract: An object of the present invention is to provide a novel substance that has a high reactivity as a fluorinating agent, is effectively used in various fluorination reactions, and is safely handled even in air. As the solution for achieving this object, the present invention provides a complex obtained by reacting bromine trifluoride with at least one metal halide selected from the group consisting of halogenated metals and halogenated hydrogen metals in a nonpolar solvent. This complex serves as a fluorinating agent that provides excellent fluorination performance and that is stable in air.Type: ApplicationFiled: October 2, 2014Publication date: November 17, 2016Applicants: DAIKIN INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Shoji HARA, Yosuke KISHIKAWA, Atsushi SHIRAI, Takashi NAMIKAWA, Sumi ISHIHARA
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Publication number: 20160318842Abstract: An object of the present invention is to provide a process for producing ?-fluoroacrylic acid esters at a high starting material conversion and a high yield. The present invention provides, as a means to achieve the object, a process for producing a compound represented by formula (1): wherein R2 and R2 are the same or different and each represent alkyl, fluoroalkyl, aryl optionally substituted with at least one substituent, halogen, or hydrogen; and R3 represents alkyl, fluoroalkyl, or aryl optionally substituted with at least one substituent, the process comprising step A of reacting a compound represented by formula (2): wherein the symbols are as defined above, with carbon monoxide and an alcohol represented by formula (3): R3—OH ??(3) wherein the symbol is as defined above, in the presence of a transition metal complex catalyst containing at least one bidentate phosphine ligand and a base to thereby obtain the compound represented by formula (1).Type: ApplicationFiled: December 26, 2014Publication date: November 3, 2016Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Akihiro GOTOU, Manaho MIYAZAKI, Sumi ISHIHARA, Takashi NAMIKAWA, Tatsuya OHTSUKA, Yosuke KISHIKAWA
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Publication number: 20160297740Abstract: The object of the present invention is to provide a process for producing ?-fluoroacrylic acid ester at a high starting material conversion, high selectivity, and high yield. The present invention provides a process for producing the compound represented by the formula (1) wherein R represents alkyl optionally substituted with one or more fluorine atoms, the process comprising step A of reacting a compound represented by the formula (2) wherein X represents a bromine atom or a chlorine atom with an alcohol represented by the formula (3) wherein the symbol is as defined above, and carbon monoxide in the presence of a transition metal catalyst and a base to thereby obtain the compound represented by the formula (1).Type: ApplicationFiled: June 15, 2016Publication date: October 13, 2016Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tatsuya OHTSUKA, Akihiro GOTOU, Sumi ISHIHARA, Yoshihiro YAMAMOTO, Akinori YAMAMOTO, Yoshichika KUROKI, Yuzo KOMATSU, Yousuke KISHIKAWA