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. 26, 2008
Filed:
Mar. 21, 2005
Applicants:
Roberto Giovanetti, Schio, IT;
Andrea Nicoli, Vicenza, IT;
Massimo Verzini, Caldiero, IT;
Giorgio Soriato, Caldiero, IT;
Livius Cotarca, Cervignano del Friuli, IT;
Inventors:
Roberto Giovanetti, Schio, IT;
Andrea Nicoli, Vicenza, IT;
Massimo Verzini, Caldiero, IT;
Giorgio Soriato, Caldiero, IT;
Livius Cotarca, Cervignano del Friuli, IT;
Assignee:
Zach System S.p.A., Bresso, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07C 61/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the preparation of gabapentin and, more particularly, it relates to a precipitation process of gabapentin by acidification of an aqueous solution deriving from the Hofmann rearrangement of 1,1-cyclohexanediacetic acid monoamide.