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:
Mar. 19, 1991
Filed:
Jan. 27, 1989
Applicant:
Inventors:
Michael V Ramsay, South Harrow, GB;
Derek N Evans, South Ruislip, GB;
Derek R Sutherland, Chalfont St Giles, GB;
Edward P Tiley, Pinner, GB;
John B Ward, Chorleywood, GB;
Neil Porter, Pinner, GB;
Hazel M Noble, Aylesbury, GB;
Richard A Fletton, Ruislip, GB;
David Noble, Aylesbury, GB;
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514450 ; 514 63 ; 514409 ; 514278 ; 514432 ; 514444 ; 546 14 ; 546 15 ; 548406 ; 548407 ; 549 28 ; 549 60 ; 549214 ; 549264 ;
Abstract
Compounds are described of formula (1) ##STR1## and salts thereof wherein R.sup.1 is a methyl, ethyl or isopropyl group;