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:
Feb. 18, 2003
Filed:
Nov. 21, 2000
Applicant:
Inventors:
Jordi Bosch Lladó, Gerona, ES;
Rafael García Cruz, Sant Celoni, ES;
Elias Molins Grau, Sant Feliu de Llobregat, ES;
Maria del Carmen Onrubia Miguel, Barcelona, ES;
Assignee:
Medichem, S.A., Barcelona, ES;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; A01N 4/336 ;
U.S. Cl.
CPC ...
C07C / ; A01N 4/336 ;
Abstract
The non-hydrated gabapentin polymorph is prepared by drying an aqueous solution of gabapentin by spray drying or turbo-drying and it is used for the preparation of pharmaceutical grade gabapentin by subjecting the polymorph to crystallisation from solvents.