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:
Aug. 30, 2005
Filed:
Nov. 26, 2002
Applicants:
Minzhang Chen, Plainsboro, NJ (US);
Bosco D'sa, Edison, NJ (US);
William Leong, Westfield, NJ (US);
Suhan Tang, Edison, NJ (US);
Inventors:
Minzhang Chen, Plainsboro, NJ (US);
Bosco D'sa, Edison, NJ (US);
William Leong, Westfield, NJ (US);
Suhan Tang, Edison, NJ (US);
Assignee:
Schering Corporation, Kenilworth, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D211/54 ; C07D211/30 ;
U.S. Cl.
CPC ...
Abstract
In one embodiment, the present invention discloses a process to directly prepare an unequal ratio of specific, preferred rotamer or rotameric pair of an acid salt from a basic compound, by creative choice of a solvent medium. The process is particularly useful in preparing desired rotamers of pharmaceutically useful salts.