Aqueous enteric coating compositions
AssigneeEastman Chemical Company
InventorsStephen Hong-Wei Wu, Warren Kent Hopkins
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Abstract
The present invention sets forth an enteric coating composition comprising a blend of a) an alkali-soluble acrylic latex polymer and b) an aqueous solution of ammonium or alkaline salts of cellulose polymers. The invention also sets forth a method for preparing an enterically-coated dosage form and a method for preparing the present compositions.
Claims17
An enteric coating composition comprising a dispersion of
- a) an alkali-soluble acrylic latex polymer suspended in
- b) an aqueous solution of ammonium or alkaline salts of cellulose polymers.
A method for preparing an enterically-coated solid dosage form which comprises contacting the dosage form with an enteric coating composition comprising a dispersion of
- a) about 1 to about 35% weight of an alkali-soluble acrylic latex polymer suspended in;
- b) about 1 to about 25% by weight of an aqueous solution of ammonium or alkaline salts of cellulose polymers;
- and
- c) about 60 to about 95% by weight of water.
A method for preparing an enteric coating composition which comprises blending an alkali-soluble acrylic latex polymer and an ammonium or alkaline salt of a cellulosic polymer.
Dependencies are inferred from the claim text.