发明名称 |
COATED PHARMACEUTICAL OR NUTRACEUTICAL PREPARATION WITH ACCELERATED CONTROLLED ACTIVE SUBSTANCE RELEASE |
摘要 |
The present invention relates to pharmaceutical or nutraceutical preparations comprising a) a core containing a pharmaceutically or nutraceutically active substance; and b) a controlling layer surrounding the core comprising i) 55 to 92% by weight based on the total weight of (meth)acrylic copolymers present in the layer of one or a mixture of a plurality of (meth)acrylate copolymers composed of 80 to 98% by weight based on the weight of the (meth)acrylic copolymer of structural units derived from C1 to C4 alkyl esters of (meth)acrylic acid and 2 to 20% by weight based on the weight of the (meth)acrylic copolymer of structural units derived from (meth)acrylate monomers with a quaternary ammonium group in the alkyl radical; and ii) 8 to 45% by weight based on the total weight of (meth)acrylic copolymers present in the layer of one or a mixture of a plurality of (meth)acrylate copolymers composed of more than 5 to 59% by weight based on the weight of the copolymer of structural units derived from acrylic acid or methacrylic acid, and to tablets and capsules containing same.
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申请公布号 |
US2011070302(A2) |
申请公布日期 |
2011.03.24 |
申请号 |
US20080742263 |
申请日期 |
2008.02.01 |
申请人 |
EVONIK ROEHM GMBH |
发明人 |
RAVISHANKAR HEMA;PETEREIT HANS-ULRICH;BODINGE SHRADDA |
分类号 |
A61K9/32;A61K9/00;A61K31/522;A61P43/00 |
主分类号 |
A61K9/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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