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US 4,231,801 AGranted
Cement and concrete mixture
AssigneeAssociated Concrete Products, Inc.
InventorHarvey R. Dunton
Life of this patent
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Abstract
A novel cement and concrete mixture is disclosed, which incorporates the spent catalysts from hydrocracking gasoline in partial substitution for the cementing agent.
Claims5
A composition for concrete comprising:
- (a) water,
- (b) fine and coarse aggregate;
- and
- (c) a cement mixture which in turn comprises from about 20% up to about 25% fines of alumino-silicate petroleum cracking catalysts with the balance being a cementing agent.
1 more element
A method for making concrete comprising:
- (a) mixing a cement mixture which in turn comprises from about 1% up to about 25% fines of alumino-silicate petroleum cracking catalysts with the balance being a cementing agent, and
- (b) adding water and aggregate to said mixture to produce a concrete upon hardening.
A method for making a cement mixture comprising mixing a cementing agent and from about 1% up to about 25% catalyst fines produced from spent alumino-silicate catalysts used in refining petroleum.
A composition for cement comprising:
- (a) a cementing agent, and
- (b) from about 20% up to about 25% catalyst fines produced from spent alumino-silicate catalysts used in refining petroleum.
Dependencies are inferred from the claim text.