| 摘要 |
The present invention provides a coating system for solid pharmaceutical dosage units, such as tablets. The coating system comprising (a) a subcoat; (b) an optional colorcoat; and (c) a polish coat. In a preferred embodiment, the present invention provides (a) a subcoat comprising (i) hydroxypropyl methylcellulose (HPMC) and (ii) a polysaccharide; (b) a colorcoat comprising (i) a colorant and (ii) a polysaccharide which may be the same as or different from the polysaccharide of the subcoat; and (c) a polish coat comprising (i) a polyethylene glycol and, optionally, (ii) a wax. Also disclosed is a method for providing gloss to a coated pharmaceutical solid dosage unit by coating a pharmaceutical core with the aforementioned polish coat. |
