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Zexue Du

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for preparing a bio-diesel
    • Patent number 8,500,828
    • Issue date Aug 6, 2013
    • China Petroleum and Chemical Corporation
    • Haijing Wang
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for preparing a bio-diesel
    • Patent number 8,288,573
    • Issue date Oct 16, 2012
    • China Petroleum and Chemical Corporation
    • Haijing Wang
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    PROCESS FOR PREPARING A BIO-DIESEL
    • Publication number 20100087670
    • Publication date Apr 8, 2010
    • China Petroleum and Chemical Corporation
    • Haijing Wang
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    PROCESS FOR PREPARING A BIO-DIESEL
    • Publication number 20100024285
    • Publication date Feb 4, 2010
    • China Petroleum and Chemical Corporation
    • Haijing Wang
    • C07 - ORGANIC CHEMISTRY