Patent ID: 11905462
Assignee: PFP INDUSTRIES LLC
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  E | IPC C  E

Claim 19:
20. The slurry composition of claim 11, further comprising:
(a) one or more neutral polyacrylamide homopolymers containing CH2CH(CONH2) monomer units;
(b) one or more neutral copolymer containing CH2CH(CONH2) monomer units and ethylenically unsaturated monomer units;
(c) one or more zwitterionic acrylamide containing (1) CH2CH(CONH2) monomer units, (2) 3-dimethyl (methacryloyloxyethyl) ammonium propane sulfonate monomer units;
(d) zwitterionic copolymers containing of (1) CH2CH(CONH2) monomer units, (2) 3-dimethyl (methacryloyloxyethyl) ammonium propane sulfonate monomer units, and (3) ethylenically unsaturated monomer units; or
(e) mixtures thereof,
wherein the ethylenically unsaturated monomer units comprise ethylene monomer units, propylene monomer units, acrylic acid monomer units, methacrylic acid monomer units, and/or vinyl alcohol monomer units.