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:
Oct. 29, 1991
Filed:
Sep. 05, 1989
Applicant:
Inventors:
Kunio Atsumi, Yokohama, JP;
Katsuyoshi Iwamatsu, Yokohama, JP;
Kenji Sakagami, Yokohama, JP;
Takashi Yoshida, Yokohama, JP;
Haruo Yamamoto, Yokohama, JP;
Seiji Shibahara, Yokohama, JP;
Shigeharu Inouye, Yokohama, JP;
Assignee:
Meiji Seika Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514202 ; 540222 ;
Abstract
A novel cephem compound which has antimicrobial activity is disclosed. The cephem compound is represented by the formula: ##STR1## wherein R.sup.1 represents a hydrogen atom or a carboxyl group; R.sup.2 and R.sup.3, which may be the same or different, each represent a hydrogen atom or a lower alkyl group of 1-3 carbon atoms; and R.sup.4 and R.sup.5, which may be the same or different, each represent a hydrogen atom or an acyl group; and pharmaceutically acceptable salts thereof.