Title:
SUSTAINED RELEASE TABLET OF SODIUM VALPROATE
Document Type and Number:
Japanese Patent JPH0640899
Kind Code:
A
Abstract:
PURPOSE: To provide a sustained release tablet of sodium valproate having a relatively small size and a stable eluting property and capable of maintaining a stable concentration in blood over a long period.
CONSTITUTION: The sustained release tablet of the sodium valproate is characterized by having a coating layer on the surface of a nuclear tablet containing the sodium valproate, the coating layer being obtained by coating the nuclear tablet with a coating agent comprising ethyl cellulose containing silica dispersed therein.
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Inventors:
UKIGAYA TADASHI
ENDO HIROTAKA
ENDO HIROTAKA
Application Number:
JP14127893A
Publication Date:
February 15, 1994
Filing Date:
May 21, 1993
Export Citation:
Assignee:
NIKKEN CHEMICALS CO LTD
International Classes:
A61K9/28; A61K31/19; A61K47/04; A61K47/38; A61P25/08; C07C53/128; (IPC1-7): A61K31/19; A61K9/28; A61K47/04; A61K47/38; C07C53/128
Next Patent: JPH0640900