Patents by Inventor Hans Martin Preis

Hans Martin Preis 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 pasteurization of plasma or concentrates of blood coagulation factors II, VII, IX and X
    Patent number: 6346277
    Abstract: The present invention relates to a process for the preparation of a product of blood coagulation factors II, VII, IX and X which is virtually free of virus, the process comprising heating an aqueous liquid containing these factors in the presence of calcium ions and a chelating agent and, optionally, an amino acid, a saccharide or sugar alcohol, antithrombin III and/or heparin. The product can be used for the treatment of blood coagulation disorders.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: February 12, 2002
    Assignee: Aventis Behring GmbH
    Inventors: Norbert Heimburger, Gerhardt Kumpe, Wilfried Wormsbächer, Hans Martin Preis