Frank Oliver Heinrich Pirrung

Person

  • JT Alkmaar, NL

Patents Grantslast 30 patents

  • Information Patent Grant

    Dispersing agent

    • Patent number 5,882,393
    • Issue date Mar 16, 1999
    • EFKA-Chemicals B.V.
    • Peter Hermann Quednau
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL