Patents Assigned to Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai Corp.
  • Antibiotic caprazamycins and process for producing the same
    Patent number: 6780616
    Abstract: There have been obtained, by cultivation of Streptomyces sp. MK730-62F2 (deposit number of FERM BP-7218), antibiotic caprazamycins A to F having by the following general formula (I) wherein R is tridecyl group, 11-methyl-dodecyl group, and others. These caprazamycins have excellent antibacterial activities against various acid-fast bacteria and various bacteria as well as their drug-resistant strains.
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: August 24, 2004
    Assignees: Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai Corp., Meiji Seika Kaisa, Ltd.
    Inventors: Tomio Takeuchi, Masayuki Igarashi, Hiroshi Naganawa, Masa Hamada