Patent ID: 9028862
Filing Date: 2015-05-12
Classification: A61K,A61P

Abstract:
1. An immediate release moisture barrier film coating powder composition, comprising: a) polyvinyl alcohol; b) polymer with pH dependent solubility, selected from the group consisting of methacrylic acid copolymers, cellulose acetate phthalate, hydroxypropylmethyl cellulose phthalate, hydroxypropylmethyl cellulose acetate succinate, poly(butyl methacrylate, 2-dimethylaminoethyl methacrylate, methyl methacrylate) 1:2:1 and combinations thereof; c) an alkalizing agent comprising sodium bicarbonate present in an amount up to about 6% by weight, calculated based upon the amount of polymer with pH dependent solubility; d) about 12 to about 40% by weight of a glidant; and optionally e) a plasticizer.