Compositions – Preservative agents – Anti-corrosion
Patent
1991-12-12
1993-11-16
Stoll, Robert L.
Compositions
Preservative agents
Anti-corrosion
252312, 252356, 106819, 106823, C23F 1100
Patent
active
052620891
ABSTRACT:
An admixture for inhibiting chloride-induced corrosion in steel reinforcing in place in concrete comprises an O/W emulsion wherein the oil phase comprises an unsaturated fatty acid ester and ethoxylated nonyl phenol and the ester of an aliphatic carboxylic acid with a mono-, di- or trihydric alcohol and the water phase comprises a saturated fatty acid, an amphoteric compound, a glycol and a soap. The admixture is added to the concrete prior to placement.
REFERENCES:
patent: 4820344 (1989-05-01), Geke et al.
patent: 4888132 (1989-12-01), Kohashi et al.
patent: 4971721 (1990-11-01), Takahashi et al.
patent: 4990184 (1991-02-01), Dotson et al.
Bobrowski Gregory S.
Bury Mark A.
Farrington Stephen A.
Nmai Charles K.
Fee Valerie
Honor Robert S.
Loeschorn Carol A.
Sandoz Ltd.
Stoll Robert L.
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