Patents by Inventor Joachim Hilfenhaus

Joachim Hilfenhaus 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).

  • Patent number: 5232690
    Abstract: A process for treating antigen solutions with an adjuvant is described, in which process a zinc hydroxide/calcium hydroxide gel and, where appropriate, additionally a lecithin and, where appropriate, additionally a polyalphaolefin is added to the antigen solution.
    Type: Grant
    Filed: March 6, 1991
    Date of Patent: August 3, 1993
    Assignee: Behringwerke Aktiengesellschaft
    Inventors: Dieter Bernhardt, Joachim Hilfenhaus
  • Patent number: 4963577
    Abstract: The use of the thiazole derivative tiprotimod for the preparation of a pharmaceutical for the therapy of virus infections is described.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: October 16, 1990
    Assignee: Behringwerke Aktiengesellschaft
    Inventors: Hans U. Schorlemmer, Hans H. Sedlacek, Joachim Hilfenhaus
  • Patent number: 4886779
    Abstract: A procedure for the inactivation of human immunodeficiency virus (HIV) in protein solutions as described, which process comprises addition of a phenol to a solution of this type, and allowing it to act. It is possible in this way, for example, to prepare products for human use which are free of any infectious HIV and thus do not transmit AIDS. Phenol is used at a low concentration and can be used at a ph of 3.5 to 4.5.
    Type: Grant
    Filed: March 10, 1988
    Date of Patent: December 12, 1989
    Assignee: Behringwerke Aktiengesellschaft
    Inventor: Joachim Hilfenhaus