Global Patent Index - EP 0916747 B1

EP 0916747 B1 20021016 - Electrolytic bath for the deposition of palladium and palladium alloys

Title (en)

Electrolytic bath for the deposition of palladium and palladium alloys

Title (de)

Elektrolytisches Bad zum Abscheiden von Palladium und von Legierungen des Palladiums

Title (fr)

Bain électrolytique pour le dépôt de palladium et d'alliages de palladium

Publication

EP 0916747 B1 20021016 (DE)

Application

EP 98121772 A 19981116

Priority

  • DE 19750575 A 19971115
  • DE 19803818 A 19980131

Abstract (en)

[origin: EP0916747A1] An electrolyte bath for the deposition of palladium and palladium alloys comprises an aqueous solution of (A) 1-50 g/l of a palladium as a chloride, sulfate, nitrate or nitrite complex (B) a conductive salt (C) a brightening agent, preferably N-(3-sulfopropyl)- pyridium betaine (D) a cross-linking agent and (E) 0.01-3 g/l sulfite (SO3<2>-) and has a pH of 6-9.5.

IPC 1-7

C25D 3/52; C25D 3/56

IPC 8 full level

C25D 3/52 (2006.01); C25D 3/56 (2006.01)

CPC (source: EP)

C25D 3/52 (2013.01); C25D 3/567 (2013.01)

Citation (examination)

  • US 3933602 A 19760120 - HENZI RENE, et al
  • J.K. DENNIS AND T.E. SUCH: "Nickel and Chromium Plating", 1972, NEWNES-BUTTERWORTHS, LONDON

Designated contracting state (EPC)

DE ES FR IT

DOCDB simple family (publication)

EP 0916747 A1 19990519; EP 0916747 B1 20021016

DOCDB simple family (application)

EP 98121772 A 19981116