TREA

Henri G. J. Hirs

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  • Zoetermeer, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cephem derivatives
    • Patent number 5,359,058
    • Issue date Oct 25, 1994
    • Gist-Brocades, NV
    • Jan Verweij
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Cephalosporin deoxygenation process
    • Patent number 4,695,627
    • Issue date Sep 22, 1987
    • Gist-Brocades N.V.
    • Jan Verweij
    • C07 - ORGANIC CHEMISTRY