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Songnuan Tan

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  • Guangzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Maytansinoid derivatives
    • Patent number 9,345,786
    • Issue date May 24, 2016
    • Bio-Thera Solutions, Ltd., Co.
    • Shengfeng Li
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Maytansinoid derivatives
    • Patent number 8,877,706
    • Issue date Nov 4, 2014
    • Bio-Thera Solutions Ltd., Co.
    • Shenfeng Li
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    Maytansinoid Derivatives
    • Publication number 20160200737
    • Publication date Jul 14, 2016
    • BIO-THERA SOLUTIONS, LTD., CO.
    • Shengfeng LI
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    MAYTANSINOID DERIVATIVES
    • Publication number 20150151003
    • Publication date Jun 4, 2015
    • BIO-THERA SOLUTIONS, LTD., CO.
    • Shengfeng Li
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MAYTANSINOID DERIVATIVES
    • Publication number 20140178414
    • Publication date Jun 26, 2014
    • BIO-THERA SOLUTIONS, LTD., CO.
    • Shengfeng Li
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MAYTANSINOID DERIVATIVES
    • Publication number 20140178415
    • Publication date Jun 26, 2014
    • Shengfeng Li
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE