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US 4,435,216 AGranted
Process for the accelerated solidification of hydraulic cement mixture
AssigneeDegussa AG
InventorsManfred Diehl, Roland Bergmann
Life of this patent
Estimating the term…
Abstract
The solidification of hydraulic cement mixtures can be accelerated by addition of crystalline zeolites. Preferably, there are employed zeolites of Types A, X, and P.
Claims14
A hydraulic cement mixture having an accelerated solidification time containing 0.2 to 10 weight % of powdery, crystalline zeolite based on the entire mixture, the zeolite being Type A, zeolite Type X or zeolite Type P.
Dependencies are inferred from the claim text.