Patents by Inventor W. Max Stark

W. Max Stark 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).

  • Patent number: 4366147
    Abstract: Antibiotic A-7413 complex, comprising a major microbiologically active factor A, and minor active factors B, C, and D, is produced by fermentation of Actinoplanes sp. NRRL 8122. The individual factors are isolated and separated by extraction and chromatography. The A-7413 antibiotics are antibacterial agents. The A-7413 complex and A-7413 antibiotic compounds are also useful as growth-promoting agents and in the control of dental caries and acne.
    Type: Grant
    Filed: August 18, 1978
    Date of Patent: December 28, 1982
    Assignee: Eli Lilly and Company
    Inventors: Robert L. Hamill, W. Max Stark
  • Patent number: 4174390
    Abstract: Antibiotic A-7413 complex, comprising a major microbiologically active factor A, and minor active factors B, C, and D, is produced by fermentation of Actinoplanes sp. NRRL 8122. The individual factors are isolated and separated by extraction and chromatography. The A-7413 antibiotics are antibacterial agents. The A-7413 complex and A-7413 antibiotic compounds are also useful as growth-promoting agents and in the control of dental caries and acne.
    Type: Grant
    Filed: August 11, 1978
    Date of Patent: November 13, 1979
    Assignee: Eli Lilly and Company
    Inventors: Robert L. Hamill, W. Max Stark