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Joseph N. Christopher

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  • League City, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cationic group 3 catalyst system
    • Patent number 6,984,722
    • Issue date Jan 10, 2006
    • ExxonMobil Chemical Patents Inc.
    • Joseph N Christopher
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Cationic group 3 catalyst system
    • Patent number 6,677,441
    • Issue date Jan 13, 2004
    • ExxonMobil Chemical Patents Inc.
    • Joseph N Christopher
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Purification of an organometallic compound
    • Patent number 6,482,968
    • Issue date Nov 19, 2002
    • Akzo Nobel N.V.
    • Nam H. Tran
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Cationic group 3 catalyst system
    • Patent number 6,403,773
    • Issue date Jun 11, 2002
    • Exxon Mobil Chemical Patents Inc.
    • Joseph N Christopher
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Cationic group 3 catalyst system
    • Publication number 20020065191
    • Publication date May 30, 2002
    • Joseph N. Christopher
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Cationic Group 3 catalyst system
    • Publication number 20020058585
    • Publication date May 16, 2002
    • Joseph N. Christopher
    • C07 - ORGANIC CHEMISTRY