Patents by Inventor Michael A. Hirsch

Michael A. Hirsch 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).

  • Immunologic compositions methods of preparation and use
    Patent number: 4320111
    Abstract: This invention relates to immunologic compositions comprising pyruvic aldehyde stabilized erythrocytes sensitized with an antigen by coupling of the stabilized erythrocytes to the antigen with bifunctional molecules, and to methods for preparing these compositions. Also disclosed are antiserum compositions which may be utilized with the described stable, sensitized erythrocytes of this invention as reagents in hemagglutination tests, and methods for their preparation. The invention further comprises lyophilization of these compositions and siliconized vials for use with the reagents of this invention.
    Type: Grant
    Filed: March 6, 1980
    Date of Patent: March 16, 1982
    Assignee: American Home Products Corporation
    Inventors: Michael A. Hirsch, Douglas S. Irvine, John Krupey