Gerhard Troemel

Person

  • Pesch, DT

Patents Grantslast 30 patents

  • Information Patent Grant

    Polyamines containing acid groups

    • Patent number 3,932,363
    • Issue date Jan 13, 1976
    • Bayer Aktiengesellschaft
    • Wolfgang Lehmann
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE