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, 2003
Filed:
Feb. 16, 2001
Applicant:
Inventors:
Chih-Ming Chen, Davie, FL (US);
Boyong Li, Davie, FL (US);
Assignee:
Andrx Corporation, Davie, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/16 ; A61K 9/20 ; A61K 9/22 ; A61K 9/32 ; A61K 9/36 ;
U.S. Cl.
CPC ...
A61K 9/16 ; A61K 9/20 ; A61K 9/22 ; A61K 9/32 ; A61K 9/36 ;
Abstract
A process for preparing divalproex sodium tablets is provided. The process comprises preparing a neutralized divalproex sodium solution by combining divalproex sodium, having a sodium valproate and a valproic acid moiety, with an aqueous solvent and a base, e.g., sodium hydroxide, the base being in sufficient amount to ensure neutralization of the valproic acid moiety of the divalproex sodium. The neutralized divalproex sodium solution is sprayed onto a pharmaceutically acceptable carrier, and processed to obtain divalproex sodium tablets.