Global Patent Index - EP 0244685 A1

EP 0244685 A1 19871111 - Aqueous acid galvanic bath.

Title (en)

Aqueous acid galvanic bath.

Title (de)

Wässriges saures galvanisches Bad.

Title (fr)

Bain acide aqueux galvanique.

Publication

EP 0244685 A1 19871111 (DE)

Application

EP 87105754 A 19870418

Priority

DE 3613874 A 19860424

Abstract (en)

1. An aqueous acid electroplating bath for the electrolytic deposition of zinc containing as essential assistants a conducting salt, a brightener and a surfactant, wherein the surfactant is a compound of the formula see diagramm : EP0244685,P8,F1 where R is CH3 - or CH3 -CH2 -, x and z are each from 0 to 49, y is from 1 to 25, x+y+z is from 3 to 50, R**1 is C4 - to C20 -alkyl, R**2 is H or C4 - to C20 -alkyl and Me is H, an alkali metal atom or one equivalent of an alkaline earth metal or zinc atom.

Abstract (de)

Wäßriges saures galvanisches Bad zur elektrolytischen Abscheidung von Zink, wobei das Bad als wesentliche Hilfsmittel Leitsalze, Glanzbildner und als Tenside Verbindungen der Formel <IMAGE> enthält, in der R = CH3-, CH3-CH2- x, z = 0 bis 49, y = 1 bis 25, x+y+z = 3 bis 50 R¹ = C4- bis C20-Alkyl, R² = H, C4- bis C20-Alkyl und Me = H, Alkalimetallatom oder ein Äquivalent eines Erdalkalimetall- oder Zinkatoms bedeuten.

IPC 1-7

C25D 3/22

IPC 8 full level

C25D 3/22 (2006.01)

CPC (source: EP)

C25D 3/22 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0244685 A1 19871111; EP 0244685 B1 19890726; DE 3613874 A1 19871029; DE 3760367 D1 19890831

DOCDB simple family (application)

EP 87105754 A 19870418; DE 3613874 A 19860424; DE 3760367 T 19870418