发明名称 Solid, stable dosage forms with an elastic film coating
摘要 Solid, stable dosage forms consisting of a moisture- and temperature-sensitive core prepared from a medicament, or a mixture of medicaments, and excipients, and an elastic film coating which decomposes in aqueous solution, said elastic film coating substantially comprising (a) a water-soluble component consisting of 20-60% of hydroxypropyl cellulose having an average molecular weight of 75,000, and (b) a water-insoluble component consisting of 5-20% of an acrylic resin in the form of (b1) a 70:30 ethyl acrylate/methyl methacrylate copolymer having a molecular weight of 80,000, or (b2) a 30:70 to 70:30 methyl acrylate/methyl methacrylate copolymer having an average molecular weight of 500,000, 20-60% of a lubricant, 0.5-5% of a wetting agent, 0-5% of a plasticizer, and optional additional excipients, and process for the preparation thereof.
申请公布号 US4798724(A) 申请公布日期 1989.01.17
申请号 US19860874772 申请日期 1986.06.16
申请人 CIBA-GEIGY CORPORATION 发明人 KHANNA, SATISH C.
分类号 A61K9/28;A61K9/30;A61K9/32;A61K9/36;A61K47/00;A61K47/30;A61K47/32;A61K47/36;A61K47/38;(IPC1-7):A01N25/10;A61K31/78 主分类号 A61K9/28
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