C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/56.1
C04B 24/18 (2006.01) C04B 24/20 (2006.01) C04B 28/02 (2006.01)
Patent
CA 1260963
ABSTRACT OF THE DISCLOSURE Cement mix, particularly concrete mixes, for high compressive strength including early compressive strength, have extended workability without substantial loss in rate of hardening when containing an admixture combination of a sulfonated naphthalene-formaldehyde condensated and fractionated sulfonated lignin, such as ultrafiltered lignosulfonate. - 17 -
519301
Gerber Arthur H.
Nicholson Richard R.
Construction Research & Technology Gmbh
Kirby Eades Gale Baker
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