Friedrich-Wilhelm Boos

Person

  • Castrop-Rauxel, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for preparing calcium sulfate anhydrite

    • Patent number 5,169,444
    • Issue date Dec 8, 1992
    • Gebruder Knauf Westdeutsche Gipswerke KG
    • Friedrich-Wilhelm Boos
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES