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:
Jul. 25, 1978
Filed:
Dec. 17, 1976
Applicant:
Inventors:
Yasuaki Ogawa, Yokohama, JP;
Yasumitsu Kondo, Yokohama, JP;
Takashi Shomura, Yokohama, JP;
Takashi Tsuruoka, Kawasaki, JP;
Shigeharu Inouye, Yokohama, JP;
Taro Niida, Yokohama, JP;
Assignee:
Meiji Seika Kaisha, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
542427 ; 544 20 ; 544 21 ; 195 / ; 424246 ;
Abstract
Novel antibiotics derivatives 7-(5-acylamido-5-carboxyvaleramido)-3-(.alpha.-methoxy-p-acyloxycinnamoylo xymethyl)-7-methoxy-3-cephem-4-carboxylic acids and the salts thereof which are useful as antibiotics and intermediates for the preparation of cephamycin derivatives, a process for preparing the same, and a process for recovering the cephamycin derivatives effectively and stably from the fermentation broth in the form of an N-acyl derivative.