Corrosion inhibitor

Details Corrosion inhibitor Corrosion inhibitor

1977-02-18

1978-08-08

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-corrosion

252181, 422 15, 422 15, C09K 300

Patent

active

041055810

ABSTRACT:
Corrosion inhibitor comprised of a phosphate and phosphonate, which further includes a homopolymer of maleic acid or maleic anhydride. The inhibitor is capable of effectively functioning in aqueous systems operating at an alkaline pH, and in particular a pH of above 8.5 or higher.

REFERENCES:
patent: 3336221 (1967-08-01), Ralston et al.
patent: 3620667 (1971-11-01), Zinmie
patent: 3630938 (1971-12-01), Troscinski
patent: 3699048 (1972-10-01), Krueger et al.
patent: 3751372 (1973-08-01), Zecher
patent: 3897209 (1975-07-01), Harris et al.
patent: 3963636 (1976-06-01), Burrows et al.
patent: 3992318 (1976-11-01), Gaupp et al.

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