Global Patent Index - EP 0987349 A1

EP 0987349 A1 2000-03-22 - Process for electrodeposition of zinc deposits and /or zinc alloy deposits

Title (en)

Process for electrodeposition of zinc deposits and /or zinc alloy deposits

Title (de)

Verfahren zur galvanischen Abscheidung von Zinkniederschlägen und/oder Zinklegierungsniederschlägen

Title (fr)

Procédé de dépôt galvanique des couches de zinc et/ou des couches d'alliages de zinc

Publication

EP 0987349 A1 (DE)

Application

EP 99117272 A

Priority

DE 19842098 A

Abstract (en)

Heterocyclic aromatic compounds with at least one alkylated nitrogen as the heteroatom (I) are used as brightening agents in a process for electroplating metal surfaces with zinc and/or zinc alloy from an aqueous acid electrolyte containing zinc salt(s) and brightener(s).

Abstract (de)

Verfahren zur galvanischen Abscheidung von Zinkniederschlägen und/oder Zinklegierungsniederschlägen auf einer metallischen Oberfläche, wobei mit einem wäßrigen sauren Elektrolyten gearbeitet wird, der zumindest ein Zinksalz sowie zumindest ein Hochglanzmittel enthält. Dem Elektrolyten wird als Hochglanzmittel zumindest eine heterozyklische aromatische Verbindung mit zumindest einem alkylierten Stickstoffatom als Heteroatom zugesetzt.

IPC 1-7 (main, further and additional classification)

C25D 3/22; C25D 3/56

IPC 8 full level (invention and additional information)

C25D 3/22 (2006.01); C25D 3/56 (2006.01)

CPC (invention and additional information)

C25D 3/565 (2013.01); C25D 3/22 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 19941765 A1 20000316; AT 286547 T 20050115; EP 0987349 A1 20000322; EP 0987349 B1 20050105; ES 2237003 T3 20050716

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