Gerhard Apel

Person

  • Krefeld, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Blowing agent mixture

    • Patent number 4,110,273
    • Issue date Aug 29, 1978
    • Bayer Aktiengesellschaft
    • Wolfgang Cohnen
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...