C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
402/100, 261/56.
C04B 24/22 (2006.01)
Patent
CA 1271879
Abstract of the Disclosure A hydraulic cement composition is effectively dispersed with use as a dispersion agent of a reaction product obtained by oxidizing and polymerizing a condensate between formaldehyde and a naphthalenesulfonic acid salt or an alkyl- naphthalenesulfonic acid salt to have a constitutional unit derived by cutting of the methylene group, that derived by hydroxyzation and condensation polymerization and that derived by the oxidation and the ring-opening of the naphthalene ring.
522304
Fujita Shuichi
Izumi Tatsuo
Kurosaka Kimio
Mizunuma Tatsuya
Ochi Yasusuke
Kao Corporation
Smart & Biggar
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