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:
May. 25, 1993
Filed:
Dec. 12, 1991
Applicant:
Inventor:
Robert J Mills, Norristown, PA (US);
Assignee:
SmithKline Beecham Corporation, Philadelphia, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
562401 ; 548253 ; 549496 ; 560 12 ; 560 16 ; 562426 ; 562429 ; 562430 ;
Abstract
This invention relates to certain salts of leukotriene antagonists and the use of a particular amine to form these salts as a means for selectively crystallizing optical isomers of the leukotriene antagonists disclosed herein.
Quick Actions:
Mills, Robert. (1993). Crystallization of optical isomers of leukotriene antagonists (U.S. Patent No. 5214201). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5214201
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile