TREA

Christian Steffens

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  • Aachen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Biphenydiols
    • Patent number 6,844,462
    • Issue date Jan 18, 2005
    • Bayer Aktiengesellschaft
    • Birgit Drieben-Hölscher
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Diphosphines
    • Patent number 6,566,298
    • Issue date May 20, 2003
    • Bayer Aktiengesellschaft
    • Birgit Driessen-Hölscher
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Diphosphines
    • Patent number 6,462,200
    • Issue date Oct 8, 2002
    • Bayer Aktiengesellschaft
    • Birgit Driessen-Hölscher
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Diphosphines
    • Publication number 20030181736
    • Publication date Sep 25, 2003
    • Birgit Drieben-Holscher
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Diphosphines
    • Publication number 20030045713
    • Publication date Mar 6, 2003
    • Birgit Driessen-Holscher
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Diphosphines
    • Publication number 20020055653
    • Publication date May 9, 2002
    • Birgit Driessen-Holscher
    • C07 - ORGANIC CHEMISTRY