Chemistry: electrical and wave energy – Processes and products
Patent
1987-05-29
1988-07-05
Kaplan, G. L.
Chemistry: electrical and wave energy
Processes and products
204 445, C25D 356, C25D 362
Patent
active
047552646
ABSTRACT:
Gold plating baths comprising a nickel or cobalt brightener/hardener, containing oxalic acid and additionally at least one dicarboxylic acid selected from the group consisting of succinic acid, malonic acid, glutaric acid and adipic acid, enable the use of low current densities with improved efficiencies in producing bright deposits; also enable bright deposits to be obtained at high temperatures of about 150.degree. F.
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Lochet Jean A.
Patel Raj B.
Kaplan G. L.
Klauber, Esq. Stefan J.
Vanguard Research Associates, Inc.
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