Corrosion inhibiting aqueous, acidic compositions comprising met

Details Corrosion inhibiting aqueous, acidic compositions comprising met Corrosion inhibiting aqueous, acidic compositions comprising met

1989-08-09

1990-09-25

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

106 1415, 422 12, 252392, C23F 1104

Patent

active

049591037

ABSTRACT:
This invention relates to an aqueous, acidic composition useful to deposit a corrosion inhibiting and adhesion promoting coating on a metal substrate and a method for doing same. The composition has a pH of between about 2 and about 6 and comprises water-soluble or water-dispersible metal-chelating O-hydroxybenzylamine compound, wherein the amine moiety contains pendant ethanol or propanol moiety.

REFERENCES:
patent: 4433015 (1984-02-01), Lindert
patent: 4466840 (1984-08-01), Frank et al.
patent: 4636256 (1987-01-01), Valone
patent: 4770727 (1988-09-01), Siegl et al.
patent: 4795505 (1989-01-01), Siegl et al.
patent: 4795506 (1989-01-01), Sokalski

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