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Composition for coating medicine and method for coating the same

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专利汇可以提供Composition for coating medicine and method for coating the same专利检索,专利查询,专利分析的服务。并且PURPOSE: To prepare a coating composition for the preparation of enteric tablet, etc. without problems of safety and health, by dispersing water sinsoluble powders of a film-forming material to an aqueous solution of a film-forming assistant.
CONSTITUTION: Fine powders of a film-forming agent (≤100μ, pref. ≤50μ in diameter) are dispersed in an aqueous solution of a film-forming assistant such as polyethylene glycol, polyoxyethylene sorbitan fatty acid ester, etc. A conventional film-forming material, such as diethylaminomethyl methacrylate/methyl methacrylate copolymer (soluble in the stomach) or cellulose acetate phthalate (soluble in the intestines) can be used as the film-forming material. The weight ratio of the film- forming assistant to the film-forming agent is 0.2-5, pref. 1-3 to 1.
COPYRIGHT: (C)1979,JPO&Japio,下面是Composition for coating medicine and method for coating the same专利的具体信息内容。

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