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. 01, 1984
Filed:
Jul. 20, 1979
Applicant:
Inventors:
Assignee:
Beecham Group Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424274 ; 2602 / ; 2602 / ;
Abstract
The compounds of the formula (II): ##STR1## wherein R.sub.1 is a group such that CO.sub.2 R.sub.1 is a carboxylic acid group or a salt or ester thereof; R.sub.2 is a group of the sub-formula (a) or (b):
Southgate, Robert. (1984). .beta.-lactam containing compounds, their preparation and use (U.S. Patent No. 4446146). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4446146
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile