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Zhida Chen

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composite powder, preparation and use thereof
    • Patent number 8,957,135
    • Issue date Feb 17, 2015
    • China Petroleum and Chemical Corporation
    • Yiqun Liu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Composite powder, preparation and use thereof
    • Patent number 8,362,128
    • Issue date Jan 29, 2013
    • China Petroleum and Chemical Corporation
    • Yiqun Liu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPOSITE POWDER, PREPARATION AND USE THEREOF
    • Publication number 20130225713
    • Publication date Aug 29, 2013
    • SINOPEC BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY
    • Yiqun Liu
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Composite powder, preparation and use thereof
    • Publication number 20050031870
    • Publication date Feb 10, 2005
    • China Petroleum and Chemical Corporation
    • Yiqun Liu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...