Patents by Inventor Michiaki OKADA
Michiaki OKADA 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: 20230257333Abstract: The present disclosure provides a method for producing a composition comprising a purified fluorine-containing ether compound represented by formula (1): CHX1X2CF2OX3, wherein X1 and X2 are the same or different and each represents a hydrogen atom, a fluorine atom, or a trifluoromethyl group, and X3 represents a C1-6 alkyl group, provided that not both X1 and X2 are trifluoromethyl groups.Type: ApplicationFiled: April 18, 2023Publication date: August 17, 2023Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Daisuke KARUBE, Kenta NISHIMURA, Yuuki SUZUKI, Tsubasa NAKAUE, Yoshichika KUROKI, Michiaki OKADA
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Publication number: 20230234910Abstract: Disclosed is a method for producing an acrylic acid derivative represented by formula (1): wherein R1 represents hydrogen or the like; R3 represents hydrogen or the like; and X represents hydrogen or the like, the method comprising step B of bringing an organic metal compound represented by formula (A3A): wherein R2, in each occurrence, is the same or different and represents hydrogen or like; R3 represents hydrogen or the like; X represents hydrogen or the like; and M represents hydrogen or the like, or an organic metal compound represented by formula (A3B): wherein the symbols are as defined above, or a combination thereof, into contact with a proton donor and an aldehyde compound to obtain a compound represented by formula (1).Type: ApplicationFiled: March 9, 2023Publication date: July 27, 2023Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Makoto MATSUURA, Manaho TOMIOKA, Michiaki OKADA, Atsushi SHIRAI, Sumi ISHIHARA, Yosuke KISHIKAWA
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Publication number: 20220267536Abstract: An object of the present disclosure is to provide a method for producing a fluorine-containing polymer and a composition containing the fluorine-containing polymer. The present disclosure provides a composition comprising (A) a fluorine-containing polymer comprising as a main component a structural unit containing a fluorine-containing aliphatic ring, and (B) an aprotic solvent, wherein the fluorine-containing aliphatic ring of the fluorine-containing polymer (A) contains one, two, or three etheric oxygen atoms as a ring-constituting atom; when the fluorine-containing aliphatic ring contains a plurality of etheric oxygen atoms, the etheric oxygen atoms are not adjacent to each other; and the fluorine-containing polymer (A) is present in an amount of 20 mass % or more based on the mass of the composition.Type: ApplicationFiled: April 29, 2022Publication date: August 25, 2022Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Yuuki SUZUKI, Makoto MATSUURA, Akitoshi OGATA, Atsushi SHIRAI, Michiaki OKADA, Shiomi ASHIDA, Yoshito TANAKA, Yosuke KISHIKAWA
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Publication number: 20210053906Abstract: An object of the present disclosure is to provide a method for producing a tetraalkylammonium nitrite that is capable of efficiently producing the desired product, and/or increasing the purity of the desired product. The object is achieved by a method for producing a tetraalkylammonium nitrite including step A of reacting, in a solvent, a tetraalkylammonium salt with a metal salt that is not a silver salt, to form a tetraalkylammonium nitrite and an insoluble metal salt.Type: ApplicationFiled: March 26, 2019Publication date: February 25, 2021Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Michiaki OKADA, Koutarou HAYASHI, Satoru YONEDA
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Patent number: 10774028Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.Type: GrantFiled: November 22, 2016Date of Patent: September 15, 2020Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tomohito Hamada, Michiaki Okada, Akiyoshi Yamauchi, Yosuke Kishikawa
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Publication number: 20200283370Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.Type: ApplicationFiled: May 22, 2020Publication date: September 10, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tomohito HAMADA, Michiaki OKADA, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA
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Patent number: 10730824Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.Type: GrantFiled: November 22, 2016Date of Patent: August 4, 2020Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tomohito Hamada, Michiaki Okada, Akiyoshi Yamauchi, Yosuke Kishikawa
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Patent number: 10717693Abstract: The present invention provides a method for producing a diol having a specific structure in high yields while keeping high selectivity. Provided is a method for producing a diol having a specific structure by oxidizing an olefin having a specific structure in the presence of a ruthenium compound.Type: GrantFiled: November 22, 2016Date of Patent: July 21, 2020Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tomohito Hamada, Michiaki Okada, Akinori Yamamoto, Yosuke Kishikawa
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Patent number: 10464916Abstract: An electrolyte solution containing a compound represented by the following formula (1): wherein Rf is a C1-C8 fluorinated alkyl group, and vinylene carbonate. Also disclosed is an electrochemical device including the electrolyte solution, a lithium ion secondary battery including the electrolyte solution and a module including the lithium ion secondary battery.Type: GrantFiled: February 25, 2019Date of Patent: November 5, 2019Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Shinya Takano, Mayuko Takano, Akinori Tani, Michiaki Okada, Hideo Sakata, Tomo Shimada, Shinichi Kinoshita
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Publication number: 20190185445Abstract: An electrolyte solution containing a compound represented by the following formula (1): wherein Rf is a C1-C8 fluorinated alkyl group, and vinylene carbonate. Also disclosed is an electrochemical device including the electrolyte solution, a lithium ion secondary battery including the electrolyte solution and a module including the lithium ion secondary battery.Type: ApplicationFiled: February 25, 2019Publication date: June 20, 2019Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Shinya TANAKO, Mayuko TAKANO, Akinori TANI, Michiaki OKADA, Hideo SAKATA, Tomo SHIMADA, Shinichi KINOSHITA
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Patent number: 10287263Abstract: An unsaturated cyclic carbonate containing a fluorinated alkyl group represented by the following formula: wherein Rf is a C1-C8 fluorinated alkyl group.Type: GrantFiled: November 19, 2015Date of Patent: May 14, 2019Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Shinya Takano, Mayuko Takano, Akinori Tani, Michiaki Okada, Hideo Sakata, Tomo Shimada, Shinichi Kinoshita
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Patent number: 10243242Abstract: The present invention aims to provide an electrolyte solution that suppresses generation of gas. The electrolyte solution of the present invention includes a non-aqueous solvent (I) containing one or both of a fluorinated cyclic carbonate and a fluorinated acyclic carbonate; an electrolyte salt (II); and a compound (III) represented by the following formula (1): wherein R1 is a C1-C20 linear or branched alkenyl or alkyl group or a C3-C20 alkyl group having a cyclic structure; m is 0 or 1; R2 is a C1-C20 linear or branched alkylene group or a C3-C20 alkylene group having a cyclic structure, R1 and R2 each may have an oxygen atom between carbon atoms if R1 and R2 each have two or more carbon atoms, but the oxygen atom is not adjacent to another oxygen atom.Type: GrantFiled: December 15, 2014Date of Patent: March 26, 2019Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Michiaki Okada, Akinori Tani, Shinichi Kinoshita, Hiroyuki Arima, Tomo Shimada, Mayuko Taeda
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Publication number: 20180346404Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.Type: ApplicationFiled: November 22, 2016Publication date: December 6, 2018Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tomohito HAMADA, Michiaki OKADA, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA
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Publication number: 20180346437Abstract: An unsaturated cyclic carbonate containing a fluorinated alkyl group represented by the following formula: wherein Rf is a C1-C8 fluorinated alkyl group.Type: ApplicationFiled: November 19, 2015Publication date: December 6, 2018Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Shinya TAKANO, Mayuko TAKANO, Akinori TANI, Michiaki OKADA, Hideo SAKATA, Tomo SHIMADA, Shinichi KINOSHITA
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Publication number: 20180327342Abstract: The present invention provides a method for producing a diol having a specific structure in high yields while keeping high selectivity. Provided is a method for producing a diol having a specific structure by oxidizing an olefin having a specific structure in the presence of a ruthenium compound.Type: ApplicationFiled: November 22, 2016Publication date: November 15, 2018Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tomohito HAMADA, Michiaki OKADA, Akinori YAMAMOTO, Yosuke KISHIKAWA
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Patent number: 10062926Abstract: The present invention provides an electrolytic solution capable of restraining gas generation. The present invention relates to an electrolytic solution containing a nonaqueous solvent (I), an electrolyte salt (II), and a compound (III) represented by the following formula (1): wherein Rf represents a C1-C20 linear or branched fluorinated alkyl group or a C3-C20 fluorinated alkyl group having a cyclic structure, R represents a C1-C20 linear or branched alkylene group or a C3-C20 alkylene group having a cyclic structure, hydrogen atoms in R may be partially or fully replaced by fluorine atoms, Rf and R may each contain an oxygen atom between carbon atoms when having a carbon number of 2 or more as long as oxygen atoms are not adjacent to each other.Type: GrantFiled: March 24, 2015Date of Patent: August 28, 2018Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Michiaki Okada, Akinori Tani, Shinichi Kinoshita, Tomo Shimada, Hiroyuki Arima
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Patent number: 9963410Abstract: The present invention provides a method for producing 1233yd that enables high conversion of the starting compound and high selectivity of 1233yd. The present invention provide a method for producing 1-chloro-2,3,3-trifluoropropene (1233yd), comprising the step of dehydrofluorinating 3-chloro-1,1,2,2-tetrafluoropropane (244ca).Type: GrantFiled: February 23, 2016Date of Patent: May 8, 2018Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Daisuke Karube, Satoshi Ohishi, Michiaki Okada
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Publication number: 20180044268Abstract: The present invention provides a method for producing 1233yd that enables high conversion of the starting compound and high selectivity of 1233yd. The present invention provide a method for producing 1-chloro-2,3,3-trifluoropropene (1233yd), comprising the step of dehydrofluorinating 3-chloro-1,1,2,2-tetrafluoropropane (244ca).Type: ApplicationFiled: February 23, 2016Publication date: February 15, 2018Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Daisuke KARUBE, Satoshi OHISHI, Michiaki OKADA
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Publication number: 20170275310Abstract: The present invention provides a novel electrolyte solution capable of providing electrochemical devices having a high storage capacity retention. The electrolyte solution of the present invention contains a fluorinated phosphoric acid ester containing a non-fluorinated alkylene group having one or more carbon atoms as a linking group.Type: ApplicationFiled: August 21, 2015Publication date: September 28, 2017Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Michiaki OKADA, Akinori TANI, Tomo SHIMADA, Mayuko TAKANO, Shinya TAKANO, Shinichi KINOSHITA, Shigeaki YAMAZAKI
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Publication number: 20170222277Abstract: The present invention provides an electrolytic solution capable of restraining gas generation. The present invention relates to an electrolytic solution containing a nonaqueous solvent (I), an electrolyte salt (II), and a compound (III) represented by the following formula (1): wherein Rf represents a C1-C20 linear or branched fluorinated alkyl group or a C3-C20 fluorinated alkyl group having a cyclic structure, R represents a C1-C20 linear or branched alkylene group or a C3-C20 alkylene group having a cyclic structure, hydrogen atoms in R may be partially or fully replaced by fluorine atoms, Rf and R may each contain an oxygen atom between carbon atoms when having a carbon number of 2 or more as long as oxygen atoms are not adjacent to each other.Type: ApplicationFiled: March 24, 2015Publication date: August 3, 2017Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Michiaki OKADA, Akinori TANI, Shinichi KINOSHITA, Tomo SHIMADA, Hiroyuki ARIMA