Compositions for inhibiting corrosion of metal surfaces

Compositions: coating or plastic – Coating or plastic compositions – Corrosion inhibiting coating composition

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106 1425, 106 1439, 106292, 106306, 524417, 524436, C09D 508

Patent

active

045114048

ABSTRACT:
Corrosion inhibiting compositions for ferrous and non-ferrous metal surfaces comprise one or more crystalline polyphosphates, e.g. a strontium tripolyphosphate. The compositions have particular application in the preparation of corrosion inhibiting paint compositions. A method of preparation of the polyphosphate materials is described.

REFERENCES:
patent: 2332209 (1943-10-01), Enquist
patent: 3892577 (1975-07-01), Sugahara et al.
patent: 4110128 (1978-08-01), Dreulle et al.
patent: 4126469 (1978-11-01), Longuepee
patent: 4297237 (1981-10-01), Boffardi
patent: 4346065 (1982-08-01), Maurer et al.
patent: 4351796 (1982-09-01), Marshall

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