Electrodeposition of nickel

Claim 1

A BATH FOR ELECTRODEPOSITING LUSTROUS FINE-GRAINED NICKLE COMPRISING AN AQUEOUS ACIDIC SOLUTION OF AT LEAST ONE NICKLE SELECTED FROM THE GROUP CONSISTING OF NICKLE SULFATE, NICKLE CHLORIDE, NICKLE FLUOBORATE AND NICKLE SULFAMATE, SAID BATH ALSO CONTAINING DISSOLVED THEREIN AN UNSATURATED SULFONIC ACID HAVING 3-14 ALIPHATIC CARBON ATOMS INCLUSIVE SELECTED FROM THE CLASS CONSISTING OF ARYL ALKYNE SULFONIC ACIDS AND ALKYNE ARYL SULFONIC ACIDS CONTAINING ONE OR TWO ARYL GROUPS SELECTED FROM THE CLASS CONSISTING OF PHENYL, BIPHENYL, AND NAPHTHYL GROUPS, THE ARYL ALKYNE RADICAL OF SAID SULFONIC ACID CONSISTING OF ATOMS SELECTED FROM THE GROUP CONSISTING OF CARBON, HYDROGEN, OXYGEN, CHLORINE AND BROMINE AND SAID ARYL ALKYNE RADICAL BEING SELECTED FROM THE GROUP OF RADICALSCONSISTING OF UNSUBSTITUTED ARYL ALKYNES, ALKANOXY ARYL ALKYNES, CHLORINE SUBSTITUTED ARYL ALKANOXY ALKYNES, BROMINE SUBSTITUTED ARYL ALKANOXY ALKYNES, METHOXY SUBSTITUTED ARYL ALKANOXY ALKYNES, AND ALKANOXY ARYL HYDROXY SUBSTITUTED ALKYNES, SAID SULFONIC ACID COMPOUNDS BEING DISSOLVED IN THE BATHS IN CONCENTRATION OF ABOUT .005 TO ABOUT 4 GRAMS/LITER.