Patents by Inventor Margarete Schwarz

Margarete Schwarz 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).

  • Method of purifying thrombin-like protease enzymes obtained from snake venom
    Patent number: 6200791
    Abstract: A process for purifying thrombin-like proteases from snake venoms is described, which consists in freeing the proteases from impurities in three chromatographic steps: a) affinity or anion exchange, b) adsorption onto a glass matrix at alkaline pH values, and c) size exclusion gel or glass matrix at acidic pH values.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: March 13, 2001
    Assignee: Knoll Aktiengesellschaft
    Inventors: Margarete Schwarz, Wolfgang Zahn