US 12,435,169 B2
Methacrylate copolymer and compositions comprising it
Thomas Endres, Mainz (DE); Christian Moers, Langen (DE); Fabian-Pascal Schmied, Darmstadt (DE); Jan Hendrik Schattka, Darmstadt (DE); and Kathrin Nollenberger, Darmstadt (DE)
Assigned to Evonik Operations GmbH, Essen (DE)
Appl. No. 17/999,916
Filed by Evonik Operations GmbH, Essen (DE)
PCT Filed May 26, 2021, PCT No. PCT/EP2021/063996
§ 371(c)(1), (2) Date Nov. 25, 2022,
PCT Pub. No. WO2021/239787, PCT Pub. Date Dec. 2, 2021.
Claims priority of application No. 20176980 (EP), filed on May 28, 2020.
Prior Publication US 2023/0203223 A1, Jun. 29, 2023
Int. Cl. C08F 220/60 (2006.01); A23L 33/10 (2016.01); A61K 9/28 (2006.01); A61K 31/216 (2006.01); A61K 31/522 (2006.01)
CPC C08F 220/60 (2013.01) [A23L 33/10 (2016.08); A61K 9/2846 (2013.01); A61K 31/216 (2013.01); A61K 31/522 (2013.01)] 17 Claims
 
1. A methacrylic copolymer, consisting of:
units derived from at least one alkyl methacrylate; and
units derived from methacrylamide,
wherein the units derived from methacrylamide are present in at least 34 wt. %, based on a total weight of the methacrylic copolymer.