Patents by Inventor TZYH-MANN WEI

TZYH-MANN WEI 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).

  • PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF BENZOPROSTACYCLIN ANALOGUES AND BENZOPROSTACYCLIN ANALOGUES PREPARED THEREFROM
    Publication number: 20240150308
    Abstract: The invention relates to processes for preparing benzoprostacyclin analogues and intermediates prepared from the process, and the benzoprostacyclin analogues prepared therefrom. The invention also relates to cyclopentenone intermediates in racemic or optically active form.
    Type: Application
    Filed: December 7, 2023
    Publication date: May 9, 2024
    Applicant: CHIROGATE INTERNATIONAL INC.
    Inventors: CHUN-YU LIN, TZYH-MANN WEI, SHIH-YI WEI
  • Processes and intermediates for the preparation of carbaprostacyclin analogues
    Patent number: 11884613
    Abstract: The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: January 30, 2024
    Assignee: CHIROGATE INTERNATIONAL INC.
    Inventors: Chun-Yu Lin, Tzyh-Mann Wei, Shih-Yi Wei
  • Processes and intermediates for the preparations of benzoprostacyclin analogues and benzoprostacyclin analogues prepared therefrom
    Patent number: 11884640
    Abstract: The invention relates to processes for preparing benzoprostacyclin analogues and intermediates prepared from the process, and the benzoprostacyclin analogues prepared therefrom. The invention also relates to cyclopentenone intermediates in racemic or optically active form.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: January 30, 2024
    Assignee: CHIROGATE INTERNATIONAL INC.
    Inventors: Chun-Yu Lin, Tzyh-Mann Wei, Shih-Yi Wei
  • PROCESSES AND INTERMEDIATES FOR THE PREPARATION OF CARBAPROSTACYCLIN ANALOGUES
    Publication number: 20240025832
    Abstract: The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.
    Type: Application
    Filed: September 27, 2023
    Publication date: January 25, 2024
    Applicant: CHIROGATE INTERNATIONAL INC.
    Inventors: CHUN-YU LIN, TZYH-MANN WEI, SHIH-YI WEI
  • PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF BENZOPROSTACYCLIN ANALOGUES AND BENZOPROSTACYCLIN ANALOGUES PREPARED THEREFROM
    Publication number: 20230416216
    Abstract: A racemic or optically enriched compound of Formula 1: wherein P is H or a protective group for hydroxyl groups; and X is Cl, Br, I, or —CH2CH2CH2COOR1, wherein R1 is C1-7-alkyl or C7-11-aralkyl.
    Type: Application
    Filed: September 14, 2023
    Publication date: December 28, 2023
    Applicant: CHIROGATE INTERNATIONAL INC.
    Inventors: CHUN-YU LIN, TZYH-MANN WEI, SHIH-YI WEI
  • PROCESSES AND INTERMEDIATES FOR THE PREPARATION OF CARBAPROSTACYCLIN ANALOGUES
    Publication number: 20230357118
    Abstract: The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.
    Type: Application
    Filed: May 5, 2022
    Publication date: November 9, 2023
    Applicant: CHIROGATE INTERNATIONAL INC.
    Inventors: CHUN-YU LIN, TZYH-MANN WEI, SHIH-YI WEI
  • PROCESSES AND INTERMEDIATES FOR THE PREPARATION OF CARBAPROSTACYCLIN ANALOGUES
    Publication number: 20230357119
    Abstract: The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.
    Type: Application
    Filed: May 30, 2023
    Publication date: November 9, 2023
    Applicant: CHIROGATE INTERNATIONAL INC.
    Inventors: CHUN-YU LIN, TZYH-MANN WEI, SHIH-YI WEI
  • PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF BENZOPROSTACYCLIN ANALOGUES AND BENZOPROSTACYCLIN ANALOGUES PREPARED THEREFROM
    Publication number: 20230002339
    Abstract: The invention relates to processes for preparing benzoprostacyclin analogues and intermediates prepared from the process, and the benzoprostacyclin analogues prepared therefrom. The invention also relates to cyclopentenone intermediates in racemic or optically active form.
    Type: Application
    Filed: June 2, 2021
    Publication date: January 5, 2023
    Applicant: CHIROGATE INTERNATIONAL INC.
    Inventors: CHUN-YU LIN, TZYH-MANN WEI, SHIH-YI WEI
  • Efficient crystallization process for preparing ultrapure Treprostinil and crystal prepared therefrom
    Patent number: 11339110
    Abstract: There is provided a crystalline Form I of anhydrous Treprostinil and processes for the preparation thereof. The crystalline Form I of anhydrous Treprostnil is a stable crystalline form, which can provide steady physicochemical properties for pharmaceutical formulations, and is advantageous widely and safety used in storage, shipment, and handling for commercially considerations.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: May 24, 2022
    Assignee: CHIROGATE INTERNATIONAL INC.
    Inventors: Shih-Yi Wei, Jian-Bang Jheng, Ming-Kun Hsu, Min-Kuan Hsu, Tzyh-Mann Wei
  • Process for the preparation of latanoprostene bunod and intermediate thereof and compositions comprising the same
    Patent number: 11332433
    Abstract: Processes for preparing latanoprostene bunod and an intermediate prepared from the process. Also latanoprostene bunod compositions having high-purity latanoprostene bunod.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: May 17, 2022
    Assignee: CHIROGATE INTERNATIONAL INC.
    Inventors: Shih-Yi Wei, Ming-Kun Hsu, Tzyh-Mann Wei
  • PROCESS FOR THE PREPARATION OF LATANOPROSTENE BUNOD AND INTERMEDIATE THEREOF AND COMPOSITIONS COMPRISING THE SAME
    Publication number: 20220024849
    Abstract: Processes for preparing latanoprostene bunod and an intermediate prepared from the process. Also latanoprostene bunod compositions having high-purity latanoprostene bunod.
    Type: Application
    Filed: July 24, 2020
    Publication date: January 27, 2022
    Applicant: CHIROGATE INTERNATIONAL INC.
    Inventors: SHIH-YI WEI, MING-KUN HSU, TZYH-MANN WEI
  • EFFICIENT CRYSTALLIZATION PROCESS FOR PREPARING ULTRAPURE TREPROSTINIL AND CRYSTAL PREPARED THEREFROM
    Publication number: 20210188757
    Abstract: There is provided a crystalline Form I of anhydrous Treprostinil and processes for the preparation thereof. The crystalline Form I of anhydrous Treprostnil is a stable crystalline form, which can provide steady physicochemical properties for pharmaceutical formulations, and is advantageous widely and safety used in storage, shipment, and handling for commercially considerations.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 24, 2021
    Applicant: CHIROGATE INTERNATIONAL INC.
    Inventors: SHIH-YI WEI, JIAN-BANG JHENG, MING-KUN HSU, MIN-KUAN HSU, TZYH-MANN WEI