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. 24, 1991
Filed:
Aug. 07, 1989
Applicant:
Inventors:
Kenji Sakagami, Yokohama, JP;
Katsuyoshi Iwamatsu, Yokohama, JP;
Kunio Atsumi, Yokohama, JP;
Seiji Shibahara, Yokohama, JP;
Assignee:
Meiji Seika Kaisha, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514206 ; 540227 ; 540225 ;
Abstract
Novel cephalosporin compounds represented by formula (I): ##STR1## wherein R.sup.1 represents a lower alkyl group which may optionally have a substituent; each of R.sup.2 and R.sup.3 independently represents a hydrogen atom or hydroxy group; and A represents a hydrogen atom or a residue of nucleophilic compound, and pharmacologically acceptable salts or esters thereof exhibit a potent antibacterial activity against gram positive and gram negative bacteria.