Patents Examined by Elizabeth C. Weimas
  • Patent number: 4683201
    Abstract: New polyether antibiotic A80190, its acyl and alkyl ester, acyl ester and urethane derivatives, and salts thereof, are useful antibacterial and anticoccidial agents and increase feed-utilization efficiency in animals. Methods of making A80190 by culture of Actinomadura oligospora NRRL 15877 and synergistic compositions of the A80190 compounds with nicarbazin, 4,4'-dinitrocarbanilide, certain napthalenamine and benzenamine compounds and metichlorpindol are also provided.
    Type: Grant
    Filed: October 15, 1985
    Date of Patent: July 28, 1987
    Assignee: Eli Lilly and Company
    Inventors: Robert L. Hamill, Raymond C. Yao