TREA

Klaus Schumann

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  • Erkrath, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Colorants
    • Patent number 6,818,023
    • Issue date Nov 16, 2004
    • Henkel Kommanditgesellschaft auf Aktien
    • Horst Hoeffkes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Colorants
    • Patent number 6,537,330
    • Issue date Mar 25, 2003
    • Henkel Kommanditgesellschaft auf Aktien
    • Horst Hoeffkes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Remineralizing dental care preparation
    • Patent number 5,605,677
    • Issue date Feb 25, 1997
    • Henkel Kommanditgesellschaft auf Aktien
    • Klaus Schumann
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    Colorants
    • Publication number 20030131425
    • Publication date Jul 17, 2003
    • Horst Hoeffkes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE