Patent ID: 8951569
Filing Date: 2015-02-10
Classification: A61K,C08F,C08L,C09D

Abstract:
1. A formulation of a sparingly water-soluble active ingredient, consisting of coated carrier particles, the coating comprising the sparingly water-soluble active ingredient, and amphiphilic copolymers, wherein the carrier particles have a different composition than the coating, wherein the sparingly water-soluble active ingredient is embedded in the coating, and wherein the amphiphilic copolymers are obtained by free-radically initiated polymerization of a mixture of: i) 40 to 60% by weight of N-vinyllactam ii) 15 to 35% by weight of vinyl acetate and iii) 10 to 30% by weight of a polyether, with the proviso that the sum of i), ii) and iii) is 100% by weight.