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Yafeng Du

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Methods for preparation of propylene polymers
    • Patent number 9,751,965
    • Issue date Sep 5, 2017
    • China Petroleum and Chemical Corporation
    • Luqiang Yu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHODS FOR PREPARATION OF PROPYLENE POLYMERS
    • Publication number 20140121337
    • Publication date May 1, 2014
    • BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL C...
    • Luqiang YU
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...