Patents by Inventor Roger M. Weppelman

Roger M. Weppelman 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).

  • Antiestrogen agents having anabolic activity in animals
    Patent number: 4859695
    Abstract: Novel antiestrogen compositions are disclosed as having anabolic activities. The compositions disclosed herein are useful for enhancing growth and feed conversion animals, particularly to poultry, usually in admixture with animal sustenance. Also, disclosed herein are methods of administering said compositions to animals.
    Type: Grant
    Filed: June 10, 1986
    Date of Patent: August 22, 1989
    Assignee: Merck & Co., Inc.
    Inventors: Gaylord E. McKissick, Roger M. Weppelman
  • Use of thyrotropin releasing hormone and related peptides as poultry growth promotants
    Patent number: 4493828
    Abstract: Thyrotropin Releasing Hormone (TRH) and related synthetic peptides extend the rapid growth phase of poultry thereby decreasing the time required to produce fowl of marketable size.
    Type: Grant
    Filed: July 26, 1982
    Date of Patent: January 15, 1985
    Assignee: Merck & Co., Inc.
    Inventors: Frederick Leung, Roger M. Weppelman
  • Anovulatory method and chicken feed compositions
    Patent number: 4287201
    Abstract: 2-(Substituted phenylimino)imidazolidines delay the onset of egg production in young pullets and inerrupt egg production in mature hens and are useful in producing an artificial molt.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: September 1, 1981
    Assignee: Merck & Co., Inc.
    Inventors: George Olson, Richard L. Tolman, Roger M. Weppelman