Patents by Inventor Roger P. Orcutt

Roger P. Orcutt 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: 4264588
    Abstract: A vaccine for Clostridium perfringins type E enterotoxemia of rabbits is produced by harvesting (or centrifuging) an actively growing culture of the bacterium and subjecting the supernatant to a proteolytic enzyme to produce a proteinaceous toxin characterized by a molecular weight of from 70,000 to 80,000 daltons, and inactivating the toxin by addition of a fixing agent to produce the toxoid along with any other toxins that might be present.
    Type: Grant
    Filed: May 10, 1979
    Date of Patent: April 28, 1981
    Assignee: The Charles River Breeding Laboratories, Inc.
    Inventor: Roger P. Orcutt
  • Patent number: 4202883
    Abstract: A vaccine for Tyzzer's disease in rabbits is produced from inactivated hepatic or intestinal tissue of immunosuppressed rodents which have been infected with Bacillus piliformis.
    Type: Grant
    Filed: May 10, 1979
    Date of Patent: May 13, 1980
    Assignee: The Charles River Breeding Laboratories, Inc.
    Inventor: Roger P. Orcutt