发明名称 A CONTROLLED RELEASED PHARMACEUTICAL PREPARATIONS
摘要 The pharmaceutical preparations consist of a tablet core which contains the active ingredient in a polymeric matrix which is insoluble in water and which is coated with a membrane controlling the rate of release.
申请公布号 PH23292(A) 申请公布日期 1989.06.30
申请号 PH19880000344 申请日期 1986.11.17
申请人 F.HOFFMANN-LA ROCHE & CO.AG 发明人 NAVNIT HARGOVINDAS SHAH
分类号 A61K9/20;A61K9/22;A61K9/28;A61K9/36 主分类号 A61K9/20
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