Metal treatment – Compositions – Heat treating
Patent
1980-11-28
1983-03-08
Silverberg, Sam
Metal treatment
Compositions
Heat treating
106 1411, C23F 708
Patent
active
043760007
ABSTRACT:
A process of post-treating a conversion-coated metal surface by contacting the surface with a dilute solution of a post-treatment compound, or a metal salt thereof, where the post-treatment compound is poly-4-vinylphenol or the reaction product of an aldehyde or ketone and poly-4-vinylphenol.
REFERENCES:
patent: 3573997 (1971-04-01), Plaxton
Mueller Richard P.
Occidental Chemical Corporation
Silverberg Sam
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