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. 04, 2003
Filed:
Jul. 16, 2001
Applicant:
Inventors:
Gérard Alaux, Beynes, FR;
Gareth Lewis, Dourdan, FR;
Frédéric Andre, Antony, FR;
Assignee:
Sanofi-Synthelabo, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/22 ; A61K 9/48 ; A61K 9/26 ; A61K 9/52 ; A61K 9/16 ;
U.S. Cl.
CPC ...
A61K 9/22 ; A61K 9/48 ; A61K 9/26 ; A61K 9/52 ; A61K 9/16 ;
Abstract
The present invention relates to controlled-release dosage forms of zolpidem or salts thereof adapted to release zolpidem over a predetermined time period, according to a biphasic profile of dissolution, where the first phase is an immediate release phase and the second phase is a prolonged release phase and particular embodiments thereof intended to avoid abuse.