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:
Nov. 16, 1976
Filed:
Mar. 03, 1975
Applicant:
Inventors:
Hamao Umezawa, Tokyo, JA;
Tomio Takeuchi, Tokyo, JA;
Masa Hamada, Hoya, JA;
Masaaki Ishizuka, Tokyo, JA;
Akira Takamatsu, Yokohama, JA;
Toshikazu Oki, Kamakura, JA;
Hiroshi Tone, Fujisawa, JA;
Assignee:
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424115 ; 195 / ;
Abstract
A new antitumor agent named macracidmycin, which is a macromolecular peptide and inhibits the growth of various tumor cells and experimental animal tumors such as Ehrlich ascites carcinoma and Sarcoma 180 is produced by the fermentation of a microorganism belonging to the genus Streptomyces which has been designated Streptomyces atrofaciens (M590-G2 and A.T.C.C. 31104); it is recovered from the broth by conventional methods for recovering antibiotics.