The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 26, 1980
Filed:
Mar. 05, 1979
Applicant:
Inventors:
Hamao Umezawa, Tokyo, JP;
Tomio Takeuchi, Tokyo, JP;
Hiroshi Naganawa, Denenchohushi, JP;
Masaaki Ishizuka, Denenchohushi, JP;
Norio Shibamoto, Chigasakishi, JP;
Toshikazu Oki, Kamakurashi, JP;
Taiji Inui, Chigasakishi, JP;
Assignee:
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ;
U.S. Cl.
CPC ...
435 78 ; 435886 ; 435888 ; 435189 ;
Abstract
New antitumor agents designated MA 144-M.sub.1 and MA 144-M.sub.2, which are anthracycline glycosides and inhibit the growth of gram-positive bacteria, e.g. Staphyococcus aureus, Bacillus subtilis and Sarcina lutea, and inhibit the growth of animal tumors such as leukemia L 1210, P 388 and sarcoma 180 are produced by fermentation of MA 144-producing strains of streptomyces and by the chemical or enzymatic conversion of aclacinomycin A or cinerubin A.