Corrosion inhibiting aqueous, acidic compositions comprising met

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

1987-12-07

1989-01-03

Lusignan, Michael

Metal treatment

Compositions

Heat treating

106 1415, 422 12, 428457, C23C 2200, C04B 902, C23F 1104

Patent

active

047955058

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: 4310592 (1982-01-01), Schmitz
patent: 4357181 (1982-11-01), Frank et al.

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