One step sealing process

Coating processes – Immersion or partial immersion – Metal base

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Details

204 376, 148 627, B05D 118

Patent

active

045214638

ABSTRACT:
Anodized aluminum is sealed in a one step process without the necessity of a further desmudging step. A metal acetate salt is mixed with soluble sulfate ion and a dispersing agent to provide a seal without leaving visible smudge on anodized aluminum.

REFERENCES:
patent: 2755239 (1956-07-01), Glauser et al.
patent: 3376143 (1968-04-01), Barkman
patent: 3647649 (1972-03-01), Treiber
patent: 3689375 (1972-09-01), Treiber
patent: 3689379 (1972-09-01), Treiber
patent: 3791940 (1974-02-01), Alexander
patent: 3897287 (1975-07-01), Meyer et al.
patent: 4045599 (1977-08-01), Remaley et al.

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