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.

Date of Patent:
Feb. 03, 1987

Filed:

Mar. 18, 1983
Applicant:
Inventors:

Masashi Hashimoto, Takarazuka, JP;

Matsuhiko Aratani, Daito, JP;

Kozo Sawada, Toyonaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514210 ; 540200 ; 540300 ; 540350 ;
Abstract

Compounds of the formula [I] ##STR1## in which R.sup.1 is hydroxy, a protected hydroxy or lower alkoxy group, R.sup.2 is carboxy or an easily eliminable esterified carboxy group and R.sup.3 is pyridyl, and pharmaceutically acceptable salts thereof, having antimicrobial and .beta.-lactamase inhibiting properties, and pharmaceutical compositions containing the same.


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