Patents by Inventor Richard D. Hedde

Richard D. Hedde 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).

  • Insecticidal pet collar
    Patent number: 6543389
    Abstract: This invention relates to insecticidal pet collars useful in protecting animals against arthropods comprising amitraz, or a pharmaceutically acceptable salt thereof, and atipamezole.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: April 8, 2003
    Assignee: Pfizer Inc.
    Inventor: Richard D. Hedde
  • Insecticidal pet collar
    Publication number: 20020195063
    Abstract: This invention relates to insecticidal pet collars useful in protecting animals against arthropods comprising amitraz, or a pharmaceutically acceptable salt thereof, and atipamezole
    Type: Application
    Filed: June 21, 2002
    Publication date: December 26, 2002
    Inventor: Richard D. Hedde
  • Reduction of boar odor in meat
    Patent number: 5604214
    Abstract: This invention relates to a method for eliminating or lessening the incidence of boar odor in meat reared from male pigs which comprises administering to such male pigs an effective amount of a boar 4-ene-5-.alpha.-reductase inhibiting compound with or without further active ingredients. Also provided is a method for preventing the formation of 5-.alpha.-androst-16-en-3-one in male pigs which comprises administering to such male pigs a presently discovered boar 4-ene-5-.alpha.-reductase inhibiting compound.
    Type: Grant
    Filed: October 20, 1995
    Date of Patent: February 18, 1997
    Assignee: Pfizer Inc.
    Inventors: Hector W. Alila, Michael T. Clark, Richard D. Hedde, Mark A. Levy, Thomas O. Lindsey
  • Antibiotics produced by Kibdelosporangium aridum Shearer gen. nov., sp. nov. ATCC 39323
    Patent number: 4797280
    Abstract: A novel antibiotic complex of "vancomycin-like" antibiotics, AAD 216 complex, is produced by the cultivation of a fermentation broth containing Kibdelosporangium aridum Shearer gen. nov., sp. nov. ATCC 39323 microorganisms in an aqueous nutrient medium under submerged aerobic conditions. The AAD 216 complex and its major bioactive components; AAD 216A, AAD 216B, and AAD 216C exhibit antibiotic activity and growth promotant activity.
    Type: Grant
    Filed: June 10, 1986
    Date of Patent: January 10, 1989
    Assignee: SmithKline Beckman Corporation
    Inventors: Betty A. Bowie, Richard D. Hedde, Thomas O. Lindsey, David J. Newman, Marcia C. Shearer, Robert D. Sitrin, Joseph R. Valenta
  • Livestock feed and method for improving food utilization
    Patent number: 4353902
    Abstract: Supplemented livestock feedstuffs and methods of feeding using as active ingredient a chemical compound having histamine H.sub.2 antagonist activity improve the utilization of food by meat producing animals. A specific compound of use as the active ingredient is metiamide.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: October 12, 1982
    Assignee: SmithKline Corporation
    Inventors: Richard D. Hedde, Roger C. Parish