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. 28, 2009
Filed:
Apr. 22, 2008
Applicant:
Jie Zhu, Nijmegen, NL;
Inventor:
Jie Zhu, Nijmegen, NL;
Assignee:
Synthon BV, Nijmegen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/87 (2006.01);
U.S. Cl.
CPC ...
Abstract
The (S)-citalopram content of a mixture of (R)- and (S)-citalopram can be enriched by using L-tartaric acid as the resolving agent in the presence of formaldehyde.