C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/12
C10G 1/00 (2006.01) B03B 1/04 (2006.01) B03D 3/06 (2006.01) C02F 1/54 (2006.01)
Patent
CA 1196593
ABSTRACT OF THE DISCLOSURE Coal liquors are clarified by contacting them with high molecular weight copolymers of a nonionic water-soluble monomer, e.g., acrylamide, and a cationic comonomer, e.g., methacryloylethyl trimethyl ammonium chloride or methacrylamidopropyl trimethyl ammonium chloride.
416520
Easterly James P. Jr.
Foshee William C.
Lamphere Jack C.
Smart & Biggar
The Dow Chemical Company
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