Jan Verwej

Person

  • Leiden, NL

Patents Grantslast 30 patents

  • Information Patent Grant

    Cephalosporin derivatives

    • Patent number 5,164,494
    • Issue date Nov 17, 1992
    • Gist-Brocades N.V.
    • Hendrik A. Witkamp
    • C07 - ORGANIC CHEMISTRY