Patents by Inventor Michael Hölzgen

Michael Hölzgen 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).

  • Liquid and its use for the preparation of hard metals
    Patent number: 7531022
    Abstract: A liquid for the preparation of powder mixtures on the basis of hard metals, comprising water and an inhibitor, wherein the inhibitor is in the form of at least one of the following materials: polyvinyllactam or wax emulsion, or the inhibitor is in the form of at least one of the following materials: carboxylic acid, amines or their derivatives.
    Type: Grant
    Filed: October 13, 2005
    Date of Patent: May 12, 2009
    Assignee: Zschimmer & Schwarz GmbH & Co. KG Chemische Fabriken
    Inventors: Peter Quirmbach, Michael Hölzgen, Alfred Vuin