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US 4,046,583 AGranted
Method of producing expansive and high strength cementitious pastes, mortars and concretes
AssigneeEmesa Aktiengesellshaft
InventorMario Collepardi
Life of this patent
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Abstract
Expansive and high strength cementitious pastes, mortars and concretes are produced by adding to a mix of water, cement and aggregates a mixture containing calcium oxide and/or magnesium oxide, a water-reducing agent and an additive for reducing or eliminating bleeding of the fresh mix.
Claims14
A method for producing expansive and high strength cementitious pastes, mortars, and concretes, comprising adding to a mix of water, cement and aggregates a mixture containing:
- a compound selected from the group consisting of calcium oxide, magensium oxide or mixture thereof, and a water-reducing agent capable of reducing the water/cement ratio of the mix at least about 15% at constant workability.
Dependencies are inferred from the claim text.