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:
Jun. 04, 2013
Filed:
Dec. 20, 2010
Applicants:
Marco Artico, Parabiago, IT;
Emanuele Attolino, Palagiano, IT;
Pietro Allegrini, San Donato Milanese, IT;
Inventors:
Marco Artico, Parabiago, IT;
Emanuele Attolino, Palagiano, IT;
Pietro Allegrini, San Donato Milanese, IT;
Assignee:
Dipharma Francis s.r.l., Baranzate, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07C 67/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a process for the preparation of (R)-2-(3-diisopropylamino-1-phenylpropyl)-4-(hydroxymethyl)-phenol isobutyrate (Fesoterodine) or a pharmaceutically acceptable salt thereof having a low content of impurities such as tolterodine and tolterodine isobutyrate.