TREA

Zhenzhong Li

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  • Tianjin, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tetracyclic anthraquinone derivatives
    • Patent number 10,294,260
    • Issue date May 21, 2019
    • Tianjin Hemay Oncology Pharmaceutical Co., Ltd.
    • Hesheng Zhang
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Tetracyclic anthraquinone derivatives
    • Patent number 9,670,242
    • Issue date Jun 6, 2017
    • Tianjin Hemay Oncology Pharmaceutical Co., Ltd.
    • Hesheng Zhang
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    TETRACYCLIC ANTHRAQUINONE DERIVATIVES
    • Publication number 20170247403
    • Publication date Aug 31, 2017
    • Tianjin Hemay Oncology Pharmaceutical Co., Ltd.
    • Hesheng Zhang
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Tetracyclic Anthraquinone Derivatives
    • Publication number 20150166595
    • Publication date Jun 18, 2015
    • TIANJIN HEMAY BIO-TECH CO., LTD
    • Hesheng Zhang
    • C07 - ORGANIC CHEMISTRY