C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/56.4
C04B 24/04 (2006.01) C04B 24/26 (2006.01)
Patent
CA 1198745
ABSTRACT OF THE INVENTION This invention provides cementiferous compositions having improved flow charasterisitics which are given by the incorporation of certain hydroxy acrylate copolymers. Typical copolymers are of acrylic or methacrylic acid with a hydroxyalkyl acrylate or methacrylate and are used preferably in the range 0.01% to 2.5% W/w on the cement in the cementiferous composition. This invention also provides novel additive compositions for use in the cementiferous compositions.
430796
Bradley Geoffrey
Szymanski Chester D.
Borden Ladner Gervais Llp
National Starch And Chemical Company
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