Patents by Inventor Richard N. Hjorth

Richard N. Hjorth 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).

  • Adjuvants for viral vaccines
    Patent number: 5718904
    Abstract: The present invention discloses mammalian vaccine compositions having an effective amount of an adjuvant, the adjuvant comprising squalene or squlane, glycerol and a surfactant. These compositions also optionally contain an aluminum salt and one or more pharmaceutically acceptable buffers.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: February 17, 1998
    Assignee: American Home Products Corporation
    Inventor: Richard N. Hjorth
  • Adjuvants for viral vaccines
    Patent number: 5690942
    Abstract: The present invention discloses mammalian vaccine compositions having an effective amount of an adjuvant, the adjuvant comprising squalene or squlane, one or more phospholipids and a surfactant. These compositions also optionally contain an aluminum salt and one or more pharmaceutically acceptable buffers.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: November 25, 1997
    Assignee: American Home Products Corporation
    Inventor: Richard N. Hjorth
  • Vaccine adjuvants
    Patent number: 4466957
    Abstract: There are disclosed mammalian vaccine compositions comprising an inactivated whole or subunit vaccine or toxoid and an adjuvant having the formula ##STR1## wherein R is hydrogen or lower alkyl, R.sub.1 is hydrogen, lower alkyl, lower alkoxy, trifluoromethyl or halo, R.sub.2 is hydrogen, chloro or nitro, n is 1 or 2 and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: February 25, 1982
    Date of Patent: August 21, 1984
    Assignee: American Home Products Corporation
    Inventors: Richard N. Hjorth, Bobby O. Moore, Norman H. Grant