Chemistry: electrical and wave energy – Processes and products
Patent
1979-09-04
1980-09-23
Tufariello, T. M.
Chemistry: electrical and wave energy
Processes and products
C25D 502
Patent
active
042241189
ABSTRACT:
A method is provided for electrolytically plating selected surface portions of a substrate by the application of a permanent stop-off coating. The coating comprises a fused mixture of poly(isobutyl methacrylate) and poly(vinyl toluene) resins. Well defined edges are provided between plated and unplated surface areas by the stop-off coating. Moreover, the coating is resistant to attack during plating and is adaptable, as is, for further processing operations after plating.
REFERENCES:
patent: 3451902 (1969-06-01), Levinos
patent: 3772161 (1973-11-01), Bogard
General Motors Corporation
Harasek Elizabeth F.
Tufariello T. M.
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