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:
Jul. 19, 1977
Filed:
Aug. 05, 1976
Applicant:
Inventors:
Harry Ferres, Horsham, EN;
John Peter Clayton, Horsham, EN;
Assignee:
Beecham Group Limited, , EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
2602391 ; 2602 / ; 424271 ; 424246 ;
Abstract
Lactonyl esters of Penicillins of the formula ##STR1## WHEREIN R.sup.1 is an antibacterially active penicillin-completing side chain; R is hydrogen, methyl or phenyl; and Ra, Rb, Rc, Rd are hydrogen, lower alkyl, lower alkoxy, halo, and nitro, provided that when R is hydrogen and R.sup.1 is D-.alpha.-aminophenylacetamido and Ra, Rb, Rc, and Rd are not all hydrogen are disclosed to possess antibacterial properties.