Cement composition
 There is provided a cement composition having improved fluidity comprising cement and an addition copolymer of (a) an adduct of a polyether polyol and an ethylenically unsaturated isocyanate with (b) an ethylenically unsaturated carboxylic acid. 
Arco Chemical Technology, L.P.
C C C C C C C
C04B C08G C08G C04B C08G C04B C04B
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Kenneth G. Xinhau Edward T.
McDaniel Zhou Shawl