Patents by Inventor Shiori SHINAGAWA

Shiori SHINAGAWA 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 AROMATIC AMINOMETHYL
    Publication number: 20220251022
    Abstract: A method for producing an aromatic aminomethyl, comprising hydrogenating an aromatic nitrile in a mixed solvent comprising a hydrocarbon solvent and a polar organic solvent having a solubility parameter (SP value) of 10 or more in the presence of a quaternary ammonium compound and a hydrogenation catalyst.
    Type: Application
    Filed: July 22, 2020
    Publication date: August 11, 2022
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Keisuke TOMAKI, Shiori SHINAGAWA, Shinyou SHIRAI
  • Method for producing tricyclo[5.2.1.02,6]decane-2-carboxylate
    Patent number: 11225453
    Abstract: A method for producing tricyclo[5.2.1.02,6]decane-2-carboxylate according to the present invention is a method for producing tricyclo[5.2.1.02,6]decane-2-carboxylate, containing reacting tricyclo[5.2.1.02,6]deca-3-ene in a dilute solution containing the tricyclo[5.2.1.02,6]deca-3-ene with carbon monoxide in the presence of an acid catalyst, followed by reaction with an alcohol, wherein the dilute solution contains 100 parts by mass or more of a tricyclo[5.2.1.02,6]decane isomer mixture based on 100 parts by mass of the tricyclo[5.2.1.02,6]deca-3-ene, the tricyclo[5.2.1.02,6]decane isomer mixture contains endo-tricyclo[5.2.1.02,6]decane (Endo form of TCD) and exo-tricyclo[5.2.1.02,6]decane (Exo form of TCD), and a constituent ratio thereof (Endo form of TCD/Exo form of TCD) is greater than 1.0.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: January 18, 2022
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Shiori Shinagawa, Mitsuharu Kitamura, Shinichi Nagao, Ken Sugito
  • METHOD FOR PRODUCING TRICYCLO[5.2.1.02,6]DECANE-2-CARBOXYLATE
    Publication number: 20210107858
    Abstract: A method for producing tricyclo[5.2.1.02,6]decane-2-carboxylate according to the present invention is a method for producing tricyclo[5.2.1.02,6]decane-2-carboxylate, containing reacting tricyclo[5.2.1.02,6]deca-3-ene in a dilute solution containing the tricyclo[5.2.1.02,6]deca-3-ene with carbon monoxide in the presence of an acid catalyst, followed by reaction with an alcohol, wherein the dilute solution contains 100 parts by mass or more of a tricyclo[5.2.1.02,6]decane isomer mixture based on 100 parts by mass of the tricyclo[5.2.1.02,6]deca-3-ene, the tricyclo[5.2.1.02,6]decane isomer mixture contains endo-tricyclo[5.2.1.02,6]decane (Endo form of TCD) and exo-tricyclo[5.2.1.02,6]decane (Exo form of TCD), and a constituent ratio thereof (Endo form of TCD/Exo form of TCD) is greater than 1.0.
    Type: Application
    Filed: February 12, 2019
    Publication date: April 15, 2021
    Applicant: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Shiori SHINAGAWA, Mitsuharu KITAMURA, Shinichi NAGAO, Ken SUGITO