Sustained-release metal valproate tablets
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United States of America Patent
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Aug 22, 2000
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N/A
app pub date -
Sep 11, 1998
filing date -
Mar 15, 1996
priority date (Note) -
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Abstract
The present invention provides a sustained-release metal valproate tablet which is comparatively compact and is not influenced by a meal, the sustained-release metal valproate comprising a core tablet comprising a metal valproate having on the surface a coating layer comprising light silicic acid anhydride dispersed in a mixture of ethyl cellulose and a methacrylic acid-methyl methacrylate copolymer.
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