Patent ID: 11904056
Assignee: EVONIK OPERATIONS GMBH
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  B | IPC A  B

Claim 15:
16. An aqueous dispersion, comprising:
water, and
10 to 40% by weight of a composition, and
1 to 60% by weight of a cellulose,
wherein the composition comprises 40 to 99% by weight of a core-shell polymer, comprising 50 to 90% by weight of a core, comprising polymerized units of 65 to 75% by weight of ethyl acrylate and 25 to 35% by weight of methyl methacrylate,
wherein the core-shell polymer comprises 10 to 50% by weight of a shell, comprising polymerized units of 45 to 55% by weight of ethyl acrylate and 45 to 55% by weight of methacrylic acid, and wherein the aqueous dispersion shows a viscosity, measured with a Brookfield viscometer, spindle 1, at 20° C. in the range of 25 to 3,000 mPa*s.