Patents by Inventor Atsushi KAKIMI

Atsushi KAKIMI 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).

  • Method for producing ?-hydroxyisobutyric acid amide and reactor
    Patent number: 10364213
    Abstract: The present invention provides a method for producing ?-hydroxyisobutyric acid amide by hydration of acetone cyanohydrin under the presence of a catalyst composed mainly of manganese oxide using a reactor in which at least two reaction regions are connected in series, the method being characterized by comprising: a step (B) of cyclically supplying at least a portion of a reaction liquid withdrawn from at least one reaction region to a first reaction region (I) in the reactor; and a step (b1) of further cyclically supplying at least a portion of the reaction liquid withdrawn from at least one reaction region to at least one reaction region other than the first reaction region. The method is also characterized in that an oxidizing agent is supplied to at least one reaction region in the reactor.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: July 30, 2019
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Atsushi Kakimi, Takako Uchiyama, Hideho Matsuda, Masaki Takemoto, Katsumi Higuchi
  • METHOD FOR PRODUCING A-HYDROXYISOBUTYRIC ACID AMIDE AND REACTOR
    Publication number: 20170226049
    Abstract: The present invention provides a method for producing ?-hydroxyisobutyric acid amide by hydration of acetone cyanohydrin under the presence of a catalyst composed mainly of manganese oxide using a reactor in which at least two reaction regions are connected in series, the method being characterized by comprising: a step (B) of cyclically supplying at least a portion of a reaction liquid withdrawn from at least one reaction region to a first reaction region (I) in the reactor; and a step (b1) of further cyclically supplying at least a portion of the reaction liquid withdrawn from at least one reaction region to at least one reaction region other than the first reaction region. The method is also characterized in that an oxidizing agent is supplied to at least one reaction region in the reactor.
    Type: Application
    Filed: April 25, 2017
    Publication date: August 10, 2017
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Atsushi KAKIMI, Takako UCHIYAMA, Hideho MATSUDA, Masaki TAKEMOTO, Katsumi HIGUCHI
  • Method for producing A-hydroxyisobutyric acid amide and reactor
    Patent number: 9718761
    Abstract: The present invention provides a method for producing ?-hydroxyisobutyric acid amide by hydration of acetone cyanohydrin under the presence of a catalyst composed mainly of manganese oxide using a reactor in which at least two reaction regions are connected in series, the method being characterized by comprising: a step (B) of cyclically supplying at least a portion of a reaction liquid withdrawn from at least one reaction region to a first reaction region (I) in the reactor; and a step (b1) of further cyclically supplying at least a portion of the reaction liquid withdrawn from at least one reaction region to at least one reaction region other than the first reaction region. The method is also characterized in that an oxidizing agent is supplied to at least one reaction region in the reactor.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: August 1, 2017
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC
    Inventors: Atsushi Kakimi, Takako Uchiyama, Hideho Matsuda, Masaki Takemoto, Katsumi Higuchi
  • METHOD FOR PRODUCING A-HYDROXYISOBUTYRIC ACID AMIDE AND REACTOR
    Publication number: 20160145196
    Abstract: The present invention provides a method for producing ?-hydroxyisobutyric acid amide by hydration of acetone cyanohydrin under the presence of a catalyst composed mainly of manganese oxide using a reactor in which at least two reaction regions are connected in series, the method being characterized by comprising: a step (B) of cyclically supplying at least a portion of a reaction liquid withdrawn from at least one reaction region to a first reaction region (I) in the reactor; and a step (b1) of further cyclically supplying at least a portion of the reaction liquid withdrawn from at least one reaction region to at least one reaction region other than the first reaction region. The method is also characterized in that an oxidizing agent is supplied to at least one reaction region in the reactor.
    Type: Application
    Filed: July 15, 2014
    Publication date: May 26, 2016
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Atsushi KAKIMI, Takako UCHIYAMA, Hideho MATSUDA, Masaki TAKEMOTO, Katsumi HIGUCHI