Norbert Klesel

Person

  • Hofheim am Taunus, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Cephalosporin derivatives

    • Patent number 5,306,717
    • Issue date Apr 26, 1994
    • Hoechst Aktiengesellschaft
    • Friedhelm Adam
    • C07 - ORGANIC CHEMISTRY