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:
Apr. 15, 1997
Filed:
Dec. 22, 1994
Applicant:
Inventors:
George C Schloemer, Longmont, CO (US);
Eric Lodewijk, Boulder, CO (US);
Gregory P Withers, Boulder, CO (US);
Assignee:
Syntex (U.S.A.) Inc., Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562401 ; 562496 ;
Abstract
(S)-ibuprofen may be separated from a mixture of (S)-ibuprofen and (R)-ibuprofen in high yield and enantiomeric purity in a single resolution step using an N-alkyl-D-glucamine as the resolving agent.