Patent ID: 11939309
Assignee: ECOLAB USA INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  D | IPC C  D

Claim 0:
1. A process for making a powder, comprising:
forming the powder from a wet gel, wherein the wet gel comprises an associative polymer and optionally a surfactant, wherein the associative polymer has a weight average molecular weight of from 10 kDa to 2,000 kDa, and
wherein the associative polymer comprises a nonionic associative monomer unit derived from a monomer of Formula II:, wherein R3 is H or C1-C10 alkyl, X is O or NH, n is an integer from 1 to 100, o is an integer from 0 to 100, m is at least 5, each Y1 and Y2 are independently H or C1-C4 alkyl, and R4 is H or a hydrophobic group.