Patents by Inventor Hunsoo Park

Hunsoo Park 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).

  • Publication number: 20230322669
    Abstract: The present invention provides a production method of a 3-cyanopyrrole compound possibly useful as an intermediate for pharmaceutical products. A production method of compound (II) including subjecting compound (I) to a reduction reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst. A production method of compound (III) including subjecting compound (I) to a reduction reaction followed by a cyclization reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst.
    Type: Application
    Filed: April 10, 2023
    Publication date: October 12, 2023
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Takashi Ouchi, Giho Goh, Sunmi Kim, Jinsoon Choi, Hunsoo Park
  • Patent number: 11649206
    Abstract: The present invention provides a production method of a 3-cyanopyrrole compound possibly useful as an intermediate for pharmaceutical products. A production method of compound (II) including subjecting compound (I) to a reduction reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst. A production method of compound (III) including subjecting compound (I) to a reduction reaction followed by a cyclization reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: May 16, 2023
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takashi Ouchi, Giho Goh, Sunmi Kim, Jinsoon Choi, Hunsoo Park
  • Publication number: 20210309609
    Abstract: The present invention provides a production method of a 3-cyanopyrrole compound possibly useful as an intermediate for pharmaceutical products. A production method of compound (II) including subjecting compound (I) to a reduction reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst. A production method of compound (III) including subjecting compound (I) to a reduction reaction followed by a cyclization reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst.
    Type: Application
    Filed: June 17, 2021
    Publication date: October 7, 2021
    Inventors: Takashi Ouchi, Giho Goh, Sunmi Kim, Jinsoon Choi, Hunsoo Park
  • Patent number: 11066362
    Abstract: The present invention provides a production method of a 3-cyanopyrrole compound possibly useful as an intermediate for pharmaceutical products. A production method of compound (II) including subjecting compound (I) to a reduction reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst. A production method of compound (III) including subjecting compound (I) to a reduction reaction followed by a cyclization reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: July 20, 2021
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takashi Ouchi, Giho Goh, Sunmi Kim, Jinsoon Choi, Hunsoo Park
  • Publication number: 20200148637
    Abstract: The present invention provides a production method of a 3-cyanopyrrole compound possibly useful as an intermediate for pharmaceutical products. A production method of compound (II) including subjecting compound (I) to a reduction reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst. A production method of compound (III) including subjecting compound (I) to a reduction reaction followed by a cyclization reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst.
    Type: Application
    Filed: January 10, 2020
    Publication date: May 14, 2020
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: TAKASHI OUCHI, GIHO GOH, SUNMI KIM, JINSOON CHOI, HUNSOO PARK
  • Patent number: 10570091
    Abstract: The present invention provides a production method of a 3-cyanopyrrole compound possibly useful as an intermediate for pharmaceutical products. A production method of compound (II) including subjecting compound (I) to a reduction reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst. A production method of compound (III) including subjecting compound (I) to a reduction reaction followed by a cyclization reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: February 25, 2020
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takashi Ouchi, Giho Goh, Sunmi Kim, Jinsoon Choi, Hunsoo Park
  • Publication number: 20180186736
    Abstract: The present invention provides a production method of a 3-cyanopyrrole compound possibly useful as an intermediate for pharmaceutical products. A production method of compound (II) including subjecting compound (I) to a reduction reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst. A production method of compound (III) including subjecting compound (I) to a reduction reaction followed by a cyclization reaction, in which the aforementioned reduction reaction is continuous hydrogenation reaction in a fixed bed reactor filled with a supported metal catalyst.
    Type: Application
    Filed: June 29, 2016
    Publication date: July 5, 2018
    Inventors: Takashi Ouchi, Giho Goh, Sunmi Kim, Jinsoon Choi, Hunsoo Park