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. 15, 1984
Filed:
Sep. 23, 1982
Applicant:
Inventors:
Shigeto Negi, Tokyo, JP;
Yoshimasa Machida, Ibaraki, JP;
Hiroshi Yamauchi, Ibaraki, JP;
Isao Saito, Tokyo, JP;
Yoshikazu Hasagawa, Gifu, JP;
Tamio Kawamura, Gifu, JP;
Assignee:
Eisai Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
424246 ; 544 21 ; 544 22 ;
Abstract
The invention provides 3-carbamoyloxymethylcephem derivatives represented by the general formula: ##STR1## wherein R.sub.1 represents hydrogen atom or trichloroacetyl group, R.sub.2 represents hydrogen atom or methoxy group, and R.sub.3 represents hydrogen atom or hydroxyl group, or pharmaceutically acceptable salt thereof. The cephem derivatives of the invention are useful as antibacterial drugs.