Patents by Inventor Tomohito HAMADA

Tomohito HAMADA 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).

  • Patent number: 10774028
    Abstract: 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: Grant
    Filed: November 22, 2016
    Date of Patent: September 15, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Michiaki Okada, Akiyoshi Yamauchi, Yosuke Kishikawa
  • Publication number: 20200283370
    Abstract: 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: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Michiaki OKADA, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA
  • Patent number: 10730824
    Abstract: 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: Grant
    Filed: November 22, 2016
    Date of Patent: August 4, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Michiaki Okada, Akiyoshi Yamauchi, Yosuke Kishikawa
  • Patent number: 10717693
    Abstract: 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: Grant
    Filed: November 22, 2016
    Date of Patent: July 21, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Michiaki Okada, Akinori Yamamoto, Yosuke Kishikawa
  • Patent number: 10173960
    Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein Ra represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen; and X represents fluorine, alkyl, perfluoroalkyl, or hydrogen); and (B) aldehyde, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: January 8, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Makoto Matsuura, Asako Yoshiyama, Akihiro Gotou, Manaho Miyazaki, Yosuke Kishikawa
  • Publication number: 20180346404
    Abstract: 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: Application
    Filed: November 22, 2016
    Publication date: December 6, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Michiaki OKADA, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA
  • Publication number: 20180327342
    Abstract: 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: Application
    Filed: November 22, 2016
    Publication date: November 15, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Michiaki OKADA, Akinori YAMAMOTO, Yosuke KISHIKAWA
  • Patent number: 10099997
    Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein R1 and R2 are the same 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 fluoroalkyl, alkyl, halogen, or hydrogen); and (B) alcohol, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: October 16, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Yosuke Kishikawa, Makoto Matsuura, Asako Yoshiyama
  • Publication number: 20180099922
    Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein Ra represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen; and X represents fluorine, alkyl, perfluoroalkyl, or hydrogen); and (B) aldehyde, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.
    Type: Application
    Filed: April 8, 2016
    Publication date: April 12, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Makoto MATSUURA, Asako YOSHIYAMA, Akihiro GOTOU, Manaho MIYAZAKI, Yosuke KISHIKAWA
  • Publication number: 20180093940
    Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein R1 and R2 are the same 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 fluoroalkyl, alkyl, halogen, or hydrogen); and (B) alcohol, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.
    Type: Application
    Filed: April 8, 2016
    Publication date: April 5, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Yosuke KISHIKAWA, Makoto MATSUURA, Asako YOSHIYAMA