Patent ID: 6919014

Claim:
Acid nickel or nickel alloy electroplating bath for depositing a satin-finished nickel or nickel alloy coating containing: a nickel containing compound and at least one sulfosuccinic acid compound having the general formula (I) wherein R 1 , R 2 =hydrogen ion, alkali ion, alkaline, earth ion, ammonium ion and/or C 1 -C 18 hydrocarbon moiety, wherein R 1 and R 2 are identical or different with the proviso that at the most one of the groups R 1 and R 2 =hydrogen ion, alkali ion, ammonium ion or alkaline earth ion, and wherein K + =hydrogen ion, alkaline ion, alkaline earth ion, ammonium ion or at least one quaternary ammonium compound, having the following formula (II) wherein R 1 , R 2 and R 3 =hydrogen and/or acyclic C 1 -C 18 hydrocarbon moiety, wherein R 1 , R 2 and R 3 are identical or different with the proviso that at most two of the moieties R 1 , R 2 and R 3 =hydrogen; R 4 =hydrogen, acyclic C 1 -C 4 hydrocarbon moiety or C 1 -C 4 hydrocarbon moiety substituted with an aromatic group; X p− =monovalent or multivalent anion; and p=an integer.