Coating barriers comprising ethyl cellulose
AssigneeFisons Limited
InventorsSan-Laung Chow, Yegnaswami Raghunathan
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Abstract
Coatings for individual ion exchange resin particles comprised of (a) ethylcellulose and (b) corn oil or acetylated monoglycerides.
Claims19
An extended-release pharmaceutical composition comprised of individually coated phenylpropanolaminedivinylbenzene sulfonic acid cationic exchange resin particles, the improvement wherein the coating is comprised of (a) ethyl cellulose and (b) from about 1.6% to about 8% by weight corn oil or acetylated monoglycerides with congealing temperatures below about 23.degree. C., based upon the weight of the coated particles.
In an extended release pharmaceutical composition comprised of individually coated drug-resin complex particles, the improvement wherein the coating is comprised of (a) ethylcellulose and (b) corn oil or acetylated monoglycerides with congealing temperatures below about 23.degree. C.
Dependencies are inferred from the claim text.