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. 09, 1992
Filed:
May. 01, 1990
Applicant:
Inventors:
Kelvin Cooper, Deal, GB;
Michael Fray, Canterbury, GB;
Kenneth Richardson, Birchington, GB;
John Steele, Sandwich, GB;
Assignee:
Pfizer Inc., New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; A61K / ;
U.S. Cl.
CPC ...
514332 ; 514333 ; 514334 ; 546256 ; 546257 ; 546258 ; 546262 ; 546265 ;
Abstract
Platelet activating factor antagonists of formula (I): ##STR1## wherein R is phenyl or phenyl substituted by one or more substituents selected from nitro, halo, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, aryl(C.sub.1 -C.sub.4)alkoxy, fluoro(C.sub.1 -C.sub.4)alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulphonyl, hydroxy, trifluoromethyl and cyano, or is phenyl fused to a dioxole ring;