Chemistry: electrical and wave energy – Processes and products
Patent
1988-01-11
1988-08-30
Kaplan, G. L.
Chemistry: electrical and wave energy
Processes and products
204 44, 204 475, C25D 348, C25D 362
Patent
active
047675071
ABSTRACT:
An acid gold electroplating bath contains gold in an electrodepositable form, (e.g. potassium gold cyanide), together with 3-(3-pyridyl) acrylic acid or 3-(3-quinolyl) acrylic acid, and optionally a metallic additive. The metallic additive is preferably a cobalt, nickel or iron salt.
REFERENCES:
patent: 3901773 (1975-10-01), Ludwig
patent: 3929595 (1975-12-01), Biberbach et al.
patent: 4038161 (1977-07-01), Eckles et al.
Engelhard Corporation
Kaplan G. L.
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