Set retarding additive for cement slurries

Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing

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Details

106729, 106804, 106806, 106810, 106823, 106717, 106102, 106808, 166294, 524650, C04B 2400

Patent

active

054177596

ABSTRACT:
N-phosphonomethyl iminodiacetic acid may be used as an additive to retard the setting time of Portland cement.

REFERENCES:
patent: 4225361 (1980-09-01), Joseph
patent: 4466836 (1984-08-01), Crump et al.
patent: 4596765 (1986-06-01), Kurematsu et al.
patent: 4676832 (1987-06-01), Childs et al.
patent: 4964917 (1990-10-01), Bobrowski et al.
patent: 5069798 (1991-12-01), Hwa et al.
patent: 5215585 (1993-06-01), Luthra et al.

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