Heinz Keilhauer

Person

  • Birkenheide, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Preparation of aminoazo dyes

    • Patent number 5,424,403
    • Issue date Jun 13, 1995
    • BASF Aktiengesellschaft
    • Rudolf Bermes
    • C07 - ORGANIC CHEMISTRY