Metal-chelating diphenolamine oligomers for corrosion inhibition

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

1987-01-20

1989-06-20

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

528162, C04B 902, C23C 2248

Patent

active

048406678

ABSTRACT:
This invention relates to an 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: 2582098 (1952-01-01), Braithwaite et al.
patent: 3219701 (1965-11-01), O'Shea et al.
patent: 3364179 (1968-01-01), Kirkpatrick et al.
patent: 4433015 (1984-02-01), Lindert
patent: 4447477 (1984-05-01), Deibig et al.
patent: 4466840 (1984-09-01), Frank et al.
J.A.C.S., vol. 74, pp. 1518-1520, Mar. 20, 1952 by Burke and Stephens.

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