Metal-chelating diphenolamine oligomers for corrosion inhibition

Details Metal-chelating diphenolamine oligomers for corrosion inhibition Metal-chelating diphenolamine oligomers for corrosion inhibition

1987-12-07

1988-09-13

Silverberg, Sam

Metal treatment

Compositions

Heat treating

148 615R, C23C 2282

Patent

active

047707275

ABSTRACT:
This invention relates to a water-soluble or water-dispersible diphenolamine oligomeric metal-chelating compound, method for making same, aqueous composition comprising the compound useful to deposit a corrosion preventive 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 10.

REFERENCES:
patent: 4433015 (1984-02-01), Lindert
patent: 4447477 (1984-05-01), Deibig et al.
patent: 4466840 (1984-08-01), Frank et al.
patent: 4714752 (1987-12-01), Sckalaski

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