Patents Examined by A. Rahman
  • Kedarcidin antitumor chromophore and pharmaceutical composition containing same
    Patent number: 5143906
    Abstract: Kedarcidin chromophore, a non-protein chromophore isolated from kedarcidin antitumor antibiotic, is obtained from purified or partially purified kedarcidin by solvent extraction and chromatographic procedures. The chromophore is characterized and found to contain substantially all of the antitumor activity of kedarcidin.
    Type: Grant
    Filed: September 26, 1991
    Date of Patent: September 1, 1992
    Assignee: Bristol-Myers Squibb Company
    Inventor: John E. Leet