发明名称 Composition comprising a core layer (active ingredient, hydroxypropyl cellulose and microcrystalline cellulose), an inner layer (such as hydroxypropylmethyl cellulose, polyvinyl pyrolidore and lubricants; magnesium stearate or talc), an outer layer (hydroxypropylmethyl and hydroxypropyl cellulose)
摘要 <p>A rapidly releasing and taste-masking pharmaceutical dosage form comprising a core containing a pharmaceutically active ingredient, low-substituted hydroxypropyl cellulose and microcrystalline cellulose. The amount of the microcrystalline cellulose being at least 26.0 weight percent based on the total weight of the core; an inner coating layer formed on the core and containing a water-soluble polymer; and an outer coating layer formed on the inner coating layer and containing a saliva-insoluble polymer. A process for preparing such oral dosage form is also disclosed.</p>
申请公布号 NZ336251(A) 申请公布日期 2001.01.26
申请号 NZ19970336251 申请日期 1997.11.20
申请人 PFIZER INC 发明人 ITOH, AKINORI;NIWA, TOSHIYUKI
分类号 A61K9/28;A61K9/16;A61K9/50;A61K9/54;A61K47/32;A61K47/38;(IPC1-7):A61K9/54;A61K47/26 主分类号 A61K9/28
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