Concrete construction material and method adapted to prevent che

Details Concrete construction material and method adapted to prevent che Concrete construction material and method adapted to prevent che

1991-07-12

1992-12-15

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

25238922, 25238923, C04B 902

Patent

active

051713624

ABSTRACT:
A construction material including a concrete body, a metallic material embedded within the concrete body, and an organophosphorus compound, such as an organic phosphonic acid or a salt thereof, dispersed within the concrete body. Chemical corrosion of pipes or the like metals extending from such a construction material into an environment which is less alkaline an the concrete body, such as soil, can be prevented by incorporation of the organic phosphorus material.

REFERENCES:
patent: 3429724 (1969-02-01), Keenum et al.
patent: 4040854 (1977-08-01), Persinski et al.
patent: 4206075 (1980-06-01), Boffardi
patent: 4225361 (1980-09-01), Joseph
patent: 4557896 (1985-12-01), Brocklebank et al.
patent: 4904413 (1990-02-01), Hoots et al.
patent: 4964917 (1990-10-01), Bobrowski et al.
patent: 5071579 (1991-12-01), Johnston

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