Patents by Inventor Heiner Trobisch

Heiner Trobisch 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).

  • Preparation of a diagnostic agent for measuring the coagulability of blood
    Patent number: 3983004
    Abstract: A diagnostic agent containing thromboplastin sensitive to factor VII and factor X for measuring the coagulability of blood is prepared by extracting an aqueous suspension of thrombogenic tissue at pH 10 to 12, acidifying the extract, separating the extract from the tissue and adding a water-soluble calcium salt to the extract. The agent can be stabilized by adding to the extract cholanic acid and a water-soluble heavy metal-II-salt.
    Type: Grant
    Filed: November 11, 1974
    Date of Patent: September 28, 1976
    Assignee: Behringwerke Aktiengesellschaft
    Inventors: Heiner Trobisch, Horst Schwinn
  • Partial thromboplastin, its use as diagnostic agent and process for preparing it
    Patent number: 3980432
    Abstract: The present invention relates to a process for preparing partial thromboplastin which comprises extracting bloodless dry placentae with an organic solvent, separating the extract from the undissolved substance, evaporating, dispersing the residue in water and adding, if desired, a stabilizer and/or lyophilizing. It further relates to the partial thromboplastin thus obtained and to its use as diagnostic agent.
    Type: Grant
    Filed: July 28, 1975
    Date of Patent: September 14, 1976
    Assignee: Behringwerke Aktiengesellschaft
    Inventors: Heiner Trobisch, Horst Schwinn