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热词
    • 10. 发明授权
    • Color film coating of tablets and the like
    • 片剂等的彩色薄膜包衣
    • US3981984A
    • 1976-09-21
    • US268014
    • 1972-06-30
    • Charles A. Signorino
    • Charles A. Signorino
    • A61K9/28A61K9/32A61K9/34A61K9/36A61K9/38C08K1/14C08K1/26
    • A61K9/28
    • A pigment suspension for a film coating for tablets and the like comprising a solvent, pigment particles dispersed in the solvent, and a low molecular weight alcohol soluble polymer which acts as a protective colloid coating the pigment particles and providing for a higher concentration of pigment particles in the pigment suspension. The method of making the pigment suspension comprises the steps of pouring a solvent into a container, stirring the pigment particles into the solvent to disperse the pigment particles evenly, stirring a protective colloid into the liquid in the container and dispersing it therethrough to make the liquid less viscous and more adaptable for accepting additional pigment particles, and stirring additional pigment particles into the container liquid to obtain the desired pigment suspension.A coating suspension for tablets and the like comprising the pigment suspension dispersed in a polymer solution. The method of making the coating suspension includes dispersing a powdered polymer in a first liquid solvent, stirring a second solvent into the liquid until all of the polymer is in solution, and stirring the pigment suspension into the polymer solution.A coated tablet and the like having as the coating material in a thin film comprising a polymer having pigment particles dispersed therethrough, and a protective colloid coating the pigment particles.
    • 用于包含溶剂的片剂等的颜料悬浮液,分散在溶剂中的颜料颗粒和作为保护胶体的低分子量醇溶性聚合物,其涂覆颜料颗粒并提供较高浓度的颜料颗粒 在颜料悬浮液中。 制备颜料悬浮液的方法包括将溶剂倾倒到容器中,将颜料颗粒搅拌到溶剂中以均匀分散颜料颗粒的步骤,将保护胶体搅拌到容器中的液体中并使其分散,使液体 粘度较低并且更适合于接受另外的颜料颗粒,并且将另外的颜料颗粒搅拌到容器液体中以获得所需的颜料悬浮液。