Patents by Inventor Lawrence D. Parker

Lawrence D. Parker 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).

  • Animal feed block compositions
    Patent number: 4650679
    Abstract: The present invention relates to animal feed block compositions containing a growth promoter, such as avoparcin, and an organic or mineral acid. The feed blocks of this invention exhibit improved potency retention of the growth promoter. Further provided are methods for enhancing the growth promoter potency retention of such feed blocks by adjusting the pH of the feed blocks below pH 7 with the organic or mineral acid.
    Type: Grant
    Filed: January 14, 1985
    Date of Patent: March 17, 1987
    Assignee: American Cyanamid Company
    Inventors: Lawrence D. Parker, Adrian M. English