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US 5,314,755 AGranted
Method to reduce scaling due to freezing and thawing in concrete
AssigneeDomtar Inc.
InventorsBernard Malric, Rejean Beaudoin, Chantal Berthelot
Life of this patent
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Abstract
A concrete surface having at least a residual amount of sodium fluorophosphate. A method to reduce scaling due to freezing and thawing is also disclosed. The method comprises contacting the surface of a concrete with a system containing at least sodium fluorophosphate. The sodium fluorophosphate closes the pores to water and other foreign matter.
Claims21
A method for reducing scaling on a concrete surface due to freezing and thawing, comprising:
- contacting a surface of said concrete with a system containing at least sodium fluorophosphate.
A concrete containing sodium fluorophosphate sealing pores in the surface of said concrete.
Dependencies are inferred from the claim text.