C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/50
C04B 24/12 (2006.01) C04B 28/04 (2006.01)
Patent
CA 1197528
ABSTRACT OF THE DISCLOSURE Disclosed herein are gypsum-free cement compositions comprising portland cement, limestone and an amine salt of formic or acetic acid. The compositions exhibit compressive strength comparable to ordinary portland cement compositions containing gypsum and the setting properties of the compositions can be regulated.
422080
Greening Nathan R.
Kantro David L.
Previte Robert W.
Serafin Frank G.
Tang Fulvio J.
Smart & Biggar
W.r. Grace & Co.,-Conn.
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