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Xianfeng Li

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  • Changping, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Catalyst composition for treating heavy feedstocks
    • Patent number 7,594,995
    • Issue date Sep 29, 2009
    • State Key Laboratory of Heavy Oil Processing
    • Baojian Shen
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Catalyst composition for treating heavy feedstocks
    • Patent number 7,459,413
    • Issue date Dec 2, 2008
    • State Key Laboratory of Heavy Oil Processing
    • Baojian Shen
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

  • Information Patent Application

    Catalyst composition for treating heavy feedstocks
    • Publication number 20090101543
    • Publication date Apr 23, 2009
    • CHINA UNIVERSITY OF PETROLEUM
    • Baojian Shen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Catalyst composition for treating heavy feedstocks
    • Publication number 20070209969
    • Publication date Sep 13, 2007
    • State Key Laboratory of Heavy Oil Processing (China University of Petroleum)
    • Baojian Shen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL