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:
Aug. 04, 1987
Filed:
Jul. 05, 1984
Applicant:
Inventors:
George Burton, Carshalton, GB;
Desmond J Best, Southwater, GB;
Assignee:
Beecham Group, , GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514194 ; 514201 ; 540221 ; 540224 ; 540225 ; 540226 ; 540227 ; 540228 ; 540328 ; 540331 ; 544 90 ; 544 92 ; 544390 ; 546121 ; 560 20 ; 560 21 ; 560 39 ; 560 41 ; 562444 ;
Abstract
A compound having the partial structure (I) ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different and each is hydrogen or a group --COR.sup.5 or --CO--OR.sup.5 wherein R.sup.5 represents an optionally substituted hydrocarbon group; R.sup.3 is halogen and R.sup.4 is hydrogen, methoxy, hydroxymethyl or formamido. These compounds are suitably bicyclic .beta.-lactam antibiotics.