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Guanghuai Zeng

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  • Tianjin, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piperidine-2,6-dione derivatives and ulcerative colitis treating
    • Patent number 12,331,030
    • Issue date Jun 17, 2025
    • Tianjin Hemay Pharmaceutical Sci-Tech Co., Ltd
    • Hesheng Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Piperidine-2,6-dione derivatives and ulcerative colitis treating
    • Patent number 11,873,287
    • Issue date Jan 16, 2024
    • Tianjin Hemay Pharmaceutical Sci-Tech Co., Ltd
    • Hesheng Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Piperidine-2,6-dione derivatives and ulcerative colitis treating
    • Patent number 11,485,724
    • Issue date Nov 1, 2022
    • Tianjin Hemay Pharmaceutical Sci-Tech Co., Ltd
    • Hesheng Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Thiophene derivatives
    • Patent number 10,611,775
    • Issue date Apr 7, 2020
    • Tianjin Hemay Pharmaceutical Co., Ltd.
    • Hesheng Zhang
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Thiophene derivatives
    • Patent number 10,385,062
    • Issue date Aug 20, 2019
    • Tianjin Hemay Bio-Tech Co., Ltd.
    • Hesheng Zhang
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Quinazoline derivative
    • Patent number 9,840,494
    • Issue date Dec 12, 2017
    • Tianjin Hemay Oncology Pharmaceutical Co., Ltd.
    • Hesheng Zhang
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Thiophene derivatives
    • Patent number 9,630,975
    • Issue date Apr 25, 2017
    • Tianjin Hemay Bio-Tech Co., Ltd.
    • Hesheng Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Thiophene derivatives
    • Patent number 8,952,178
    • Issue date Feb 10, 2015
    • Tianjin Hemay Bio-Tech Co., Ltd.
    • Hesheng Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    THIOPHENE DERIVATIVES PREPARING
    • Publication number 20250074918
    • Publication date Mar 6, 2025
    • Ganzhou Hemay Pharmaceutical, Co., Ltd
    • Guanghuai ZENG
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    PIPERIDINE-2,6-DIONE DERIVATIVES AND ULCERATIVE COLITIS TREATING
    • Publication number 20240132466
    • Publication date Apr 25, 2024
    • TIANJIN HEMAY PHARMACEUTICAL SCI-TECH CO., LTD
    • Hesheng Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    PIPERIDINE-2,6-DIONE DERIVATIVES AND CROHN'S DISEASE TREATING
    • Publication number 20220372013
    • Publication date Nov 24, 2022
    • TIANJIN HEMAY PHARMACEUTICAL SCI-TECH CO., LTD
    • Hesheng Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    PIPERIDINE-2,6-DIONE DERIVATIVES AND ULCERATIVE COLITIS TREATING
    • Publication number 20220306600
    • Publication date Sep 29, 2022
    • TIANJIN HEMAY PHARMACEUTICAL SCI-TECH CO., LTD
    • Hesheng Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    PIPERIDINE-2,6-DIONE DERIVATIVES AND ULCERATIVE COLITIS TREATING
    • Publication number 20190389835
    • Publication date Dec 26, 2019
    • TIANJIN HEMAY BIO-TECH CO., LTD
    • Hesheng ZHANG
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    PIPERIDINE-2,6-DIONE DERIVATIVES AND CROHN'S DISEASE TREATING
    • Publication number 20190352277
    • Publication date Nov 21, 2019
    • Hesheng ZHANG
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    THIOPHENE DERIVATIVES
    • Publication number 20190322684
    • Publication date Oct 24, 2019
    • TIANJIN HEMAY PHARMACEUTICAL CO., LTD.
    • Hesheng ZHANG
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    THIOPHENE DERIVATIVES
    • Publication number 20170197982
    • Publication date Jul 13, 2017
    • TIANJIN HEMAY BIO-TECH CO., LTD.
    • Hesheng Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    QUINAZOLINE DERIVATIVE
    • Publication number 20160311796
    • Publication date Oct 27, 2016
    • TIanjin Hemay Pharmaceutical Sci-Tech Co., Ltd
    • Hesheng ZHANG
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    THIOPHENE DERIVATIVES
    • Publication number 20140255342
    • Publication date Sep 11, 2014
    • TIANJIN HEMAY BIO-TECH CO., LTD
    • Hesheng Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    THIOPHENE DERIVATIVES
    • Publication number 20120107269
    • Publication date May 3, 2012
    • Tianjin Hemay Biotech Co., Ltd
    • Hesheng Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE