Autodeposition post-bath rinse

Metal treatment – Compositions – Heat treating

Patent

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Details

148 615Z, 148 62, 427435, C23F 700, B05D 716, B05D 310

Patent

active

046362657

ABSTRACT:
A method of improving the anticorrosion properties of an autodeposited resin coating by including in the post-bath rinse (a) a metal dichromate, (b) a metal hypophosphite, or (c) a combination of either of the foregoing with a metal hydrogenphosphate, followed by curing.

REFERENCES:
patent: 3647567 (1972-03-01), Schweri
patent: 3791431 (1974-02-01), Steinbrecher et al.
patent: 4030945 (1977-06-01), Hall et al.
patent: 4186219 (1980-01-01), Hall
patent: 4186226 (1890-01-01), Smith
patent: 4414350 (1983-11-01), Hall

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