TREA

Margarete Gruenert

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  • Kaarst, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Evaporation inhibitors
    • Patent number 4,932,994
    • Issue date Jun 12, 1990
    • Henkel Kommanditgesellschaft auf Aktien
    • Josef Koester
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Defoaming agents and process of defoaming
    • Patent number 4,891,154
    • Issue date Jan 2, 1990
    • Henkel Kommanditgesellschaft auf Aktien
    • Holger Tesmann
    • C07 - ORGANIC CHEMISTRY