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:
Feb. 23, 1993
Filed:
Jul. 20, 1990
Applicant:
Inventors:
Michael S Hadley, Harlow, GB;
Graham E Jones, Harlow, GB;
Assignee:
Beecham Group p.l.c., , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514337 ; 514307 ; 514299 ; 514345 ; 514277 ; 514278 ; 546269 ; 546115 ; 546116 ; 546148 ; 546183 ; 546112 ; 546301 ; 546303 ; 546290 ;
Abstract
The present invention is directed to compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein Y, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 , a and b are as defined in the Specification, having pharmacological activity, to a process for their preparation, and to their use as pharmaceuticals.