Global Patent Index - EP 0281804 A3

EP 0281804 A3 19890315 - STABILIZED ALCALINE GOLD PLATING BATH WITHOUT CURRENT

Title (en)

STABILIZED ALCALINE GOLD PLATING BATH WITHOUT CURRENT

Publication

EP 0281804 A3 19890315 (DE)

Application

EP 88102273 A 19880217

Priority

DE 3707817 A 19870309

Abstract (en)

[origin: US4838937A] A stabilized, aqueous, alkaline gold bath is disclosed, containing a dicyanogold(I)-complex, a complex-former, an alkali hydroxide and a reducing agent, for the electro-less deposition of gold onto gold, metals which are more electro-negative than gold, as well as alloys of these metals, characterized by a content of at least one compound from the classes of glycol derivatives and polyethylenimine, as stabilizer.

IPC 1-7

C23C 18/44

IPC 8 full level

C23C 18/44 (2006.01)

CPC (source: EP US)

C23C 18/44 (2013.01 - EP US)

Citation (search report)

[X] FR 2441666 A1 19800613 - PROST TOURNIER PATRICK

Designated contracting state (EPC)

BE CH DE ES FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0281804 A2 19880914; EP 0281804 A3 19890315; CA 1290993 C 19911022; DE 3707817 A1 19880922; JP S6425987 A 19890127; US 4838937 A 19890613

DOCDB simple family (application)

EP 88102273 A 19880217; CA 560784 A 19880308; DE 3707817 A 19870309; JP 5277888 A 19880308; US 16583288 A 19880309