Patent ID: 8951558
Filing Date: 2015-02-10
Classification: A61K,Y10T

Abstract:
1. An aqueous medium, comprising: an amino(meth)acrylate polymer or copolymer which is not soluble in demineralised water, comprising polymerized units of 20-30% by weight of methyl methacrylate, 20-30% by weight of butyl methacrylate, and 60-40% by weight of dimethylaminoethyl methacrylate, wherein the medium has a content of an aqueous phase of at least 60% by weight and a content of 10 to 22% by weight of the amino(meth)acrylate polymer or copolymer, and wherein the aqueous phase is charged by a sufficient amount of carbon dioxide that effects the amino(meth)acrylate polymer or copolymer present in solute form in the medium.