Patents by Inventor Eberhard Stumpp

Eberhard Stumpp has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Use of special vanadium compounds as siccatives for oxidatively drying lacquers
    Patent number: 6063841
    Abstract: The invention relates to the use of special vanadium compounds as siccatives for oxidatively drying lacquers. These drying agents (siccatives) are ionogenic in nature and contain polyvalent cations of vanadium or vanadium oxide and anionic organic acid groups or other organic anions.
    Type: Grant
    Filed: April 2, 1998
    Date of Patent: May 16, 2000
    Assignee: Borchers GmbH
    Inventors: Gunter Link, Dirk Edelmann, Eberhard Stumpp