EP 0140832 B1 19880113 - BATH FOR THE ELECTROLYTIC DEPOSITION OF A GOLD ALLOY AND GALVANIC PROCESS USING THIS BATH
Title (en)
BATH FOR THE ELECTROLYTIC DEPOSITION OF A GOLD ALLOY AND GALVANIC PROCESS USING THIS BATH
Publication
Application
Priority
CH 481283 A 19830901
Abstract (en)
[origin: EP0140832A2] 1. Electroplating bath for the electrolytic deposition of a gold-copper-cadiumzinc alloy, characterized in that it comprises a gold cyanide complex, a copper cyanide complex, a cadmium cyanide complex, an organic complexing agent capable of complexing the cadmium ions in the absence of free cyanide, a surfactant, and a mixture of zinc cyanide or copper cyanide and zinc-potassium cyanide, so constituted that the concentration of total cyanide bonded to the zinc is equal to from one to four times that of the zinc.
IPC 1-7
IPC 8 full level
C25D 3/62 (2006.01)
CPC (source: EP)
C25D 3/62 (2013.01)
Designated contracting state (EPC)
CH DE FR GB LI
DOCDB simple family (publication)
EP 0140832 A2 19850508; EP 0140832 A3 19850612; EP 0140832 B1 19880113; DE 3468704 D1 19880218
DOCDB simple family (application)
EP 84810428 A 19840830; DE 3468704 T 19840830