Chemistry: electrical and wave energy – Processes and products
Patent
1985-05-28
1987-10-20
Kaplan, G. L.
Chemistry: electrical and wave energy
Processes and products
204 53, 204 541, C25D 332, C25D 336, C25D 356, C25D 360
Patent
active
047012447
ABSTRACT:
The invention relates to the electrolytic plating of tin and lead metals and particularly to tin-lead alloys by dissolving divalent tin or lead compounds in an excess of a lower alkyl sulfonic acid or acid salt. The electrolytic bath comprises such additives as benzal acetone, benzaldehyde or derivatives thereof, aromatic pyridines; surfactants such as betaines, alkylene oxides polymers, imidazolinium compounds and quaternary ammonium salts and formaldehyde.
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Nobel Fred I.
Ostrow Barnet D.
Kaplan G. L.
Lea-Ronal, Inc.
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