C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 24/26 (2006.01) C04B 22/10 (2006.01) C04B 24/18 (2006.01) C04B 28/02 (2006.01)
Patent
CA 2057358
ABSTRACT A cement admixture is disclosed which is capable of inhibiting slump loss without set retardation to hydraulic cement compositions. The admixture is composed of a mixture comprising a copolymer of maleic anhydride and an oxyalkylene containing monomer, lignosulfonic acid or its salts and an anionic surfactant.
Koyata Hideo
Tsutsumi Tomoyuki
Gowling Lafleur Henderson Llp
W.r. Grace & Co.,-Conn.
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