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:
Dec. 04, 1990
Filed:
Apr. 28, 1987
Applicant:
Inventors:
Joji Sasaki, Omiya, JP;
Kazutoshi Mizoue, Urawa, JP;
Takashi Adachi, Kuki, JP;
Takatoshi Nagate, Gyoda, JP;
Shigeo Morimoto, Saitama, JP;
Sadafumi Omura, Ageo, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ;
U.S. Cl.
CPC ...
435 76 ; 435822 ; 435931 ; 536-72 ;
Abstract
Mucor circinelloides f. griseo-cyanus IFO 4563 is cultivated in a medium containing 6-O-methylerythromycin A as a substrate to obtain 14-hydroxy-6-O-methyl-erythromycin A. This compound and its salt have anti-bacterial activity.