C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/57
C04B 24/18 (2006.01)
Patent
CA 1222530
Cement Dispersant Abstract of the Disclosure The cement dispersant comprises a macromolecular lignosulfonic acid or a salt thereof. It may be a composition which comprises (a) said macromolecular lignosulfonic acid or a salt thereof and (b) a condensate of beta-naphthalenesulfonic acid and formaldehyde or a salt thereof. It prevents the slump loss in the cement composition.
441327
Fujiu Akira
Kurosaka Kimio
Okada Eisaburo
Satoh Masaharu
Tanaka Hideki
Kao Corporation
Smart & Biggar
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