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:
Jul. 23, 1991
Filed:
Feb. 08, 1990
Applicant:
Inventor:
James S Frazee, Sewell, NJ (US);
Assignee:
SmithKline Beecham Corporation, Philadelphia, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
548252 ; 548335 ; 548337 ; 548341 ; 548342 ; 549472 ; 549473 ; 549491 ; 549497 ; 549498 ; 549499 ; 549500 ; 549501 ; 549502 ; 549504 ; 549505 ; 558396 ; 558397 ; 560 15 ; 560 16 ; 562426 ; 562429 ; 562430 ; 564154 ; 564162 ;
Abstract
This invention relates to (R)-.alpha.-methyl-4-halobenzenemethanamine salts of epimers of acids of the formula ##STR1## and the use of these salts to separate these epimers. These acids are leukotriene antagonists.