Patents by Inventor Heinz H. Drescher

Heinz H. Drescher 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).

  • Process for the purification of the blood clotting factors, II, VII, IX and/or X
    Patent number: 4411794
    Abstract: A process for purifying liquids containing blood clotting factors by adsorption of the factors on mineral adsorbents such as calcium phosphate, aluminum hydroxide gel, barium sulfate or hydroxylapatite in the presence of calcium ions followed by elution is described.
    Type: Grant
    Filed: January 19, 1982
    Date of Patent: October 25, 1983
    Assignee: Behringwerke Aktiengesellschaft
    Inventors: Horst Schwinn, Norbert Heimburger, Gerhardt Kumpe, Heinz H. Drescher