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:
Jun. 23, 1992
Filed:
Jun. 19, 1989
Applicant:
Inventor:
Ian Hughes, Harlow, GB;
Assignee:
Beecham Group p.l.c., Middlesex, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514183 ; 540-1 ; 540544 ; 540575 ; 540533 ; 544 54 ; 544584 ; 544 88 ; 544157 ; 546192 ; 546336 ; 546164 ; 548495 ; 549 13 ; 549 23 ; 549 58 ; 549 65 ; 549407 ; 549486 ; 549487 ; 549493 ; 560 17 ; 562426 ; 562431 ; 564154 ; 514618 ; 514616 ; 514540 ; 514218 ; 514513 ; 514456 ; 514459 ; 514466 ; 514471 ; 514542 ; 514562 ; 514331 ; 5142382 ; 5142268 ; 5142275 ; 514419 ; 514357 ; 514311 ; 558254 ;
Abstract
Novel compounds of formula (I), salts, solvates and hydrates thereof: ##STR1## in which: R.sub.1 and R.sub.2 are independently hydrogen; alkyl; alkoxy; halogen; or CF.sub.3 ;