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:
Jan. 27, 2009
Filed:
Sep. 14, 2005
Applicants:
Giovanni Cotticelli, Cernusco sul Naviglio, IT;
Raul Salvetti, Malonno, IT;
Inventors:
Giovanni Cotticelli, Cernusco sul Naviglio, IT;
Raul Salvetti, Malonno, IT;
Assignee:
Adorkem Technology SPA, Costa Volpino, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/87 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process is described for the preparation of citalopram (I) and of the active enantiomer thereof, escitalopram (II), which process comprises the cyclisation reaction of the corresponding precursor diol of the formula III or, respectively, IV in the presence of an azodicarboxylate, a phosphine and a strong base.
Cotticelli, Giovanni. (2009). Process for the preparation of citalopram and escitalopram (U.S. Patent No. 7482477). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7482477
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile