Patents by Inventor John E. Trei

John E. Trei 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).

  • Feed composition and method using 2,3-dibromopropanol
    Patent number: 3934037
    Abstract: Methods and compositions for increasing the feed efficiency of ruminant animals using 2,3-dibromopropanol as an active ingredient. The method comprises administering the active ingredient orally to growing ruminant animals in quantities sufficient to induce inhibition of methanogenesis in the rumen.
    Type: Grant
    Filed: May 2, 1974
    Date of Patent: January 20, 1976
    Assignee: SmithKline Corporation
    Inventors: Joseph J. Lewis, John E. Trei