Process and composition for coating metals

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524419, 524429, 524435, 524431, 524417, 524575, C08L 906, C08L 2306

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active

043471722

ABSTRACT:
Method and composition for applying an organic coating to a metallic surface, the surface being contacted with an acidic aqueous coating composition comprising an organic coating-forming material, fluoride, and ferric iron, wherein the thickness and/or weight of the coating formed on the surface can be controlled by varying the time the surface is immersed in the composition.

REFERENCES:
patent: 3709743 (1973-01-01), Dalton et al.
patent: 3791431 (1974-02-01), Steinbrecher et al.
patent: 3839097 (1974-10-01), Hall et al.
patent: 3936546 (1976-02-01), Hall
patent: 4160756 (1979-07-01), Nishida et al.

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