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:
May. 12, 1981
Filed:
Sep. 12, 1979
Applicant:
Inventors:
Toshikazu Oki, Yokohama, JP;
Akihiro Yoshimoto, Fujisawa, JP;
Taiji Inui, Chigasaki, JP;
Tomio Takeuchi, Tokyo, JP;
Hamao Umezawa, Tokyo, JP;
Assignee:
Sanraku-Ocean Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07H / ;
U.S. Cl.
CPC ...
536 / ; 424181 ; 435 78 ;
Abstract
New anthracycline derivatives, 1-hydroxy-13-dihydrodaunomycin and N-formyl-1-hydroxy-13-dihydrodaunomycin are produced by microbial transformation of .epsilon.-pyrromycinone and .epsilon.-isorhodomycinone with daunomycin-producing streptomyces and their mutants. The derivatives herein are useful as cancer chemotherapeutic agents.