Process for electroplating utilizing disubstituted ethane sulfon

Details Process for electroplating utilizing disubstituted ethane sulfon Process for electroplating utilizing disubstituted ethane sulfon

1989-05-24

1991-06-18

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 521, 546139, 546152, 546339, 562108, 562110, C25D 312, C25D 338, C07D21300

Patent

active

050247360

ABSTRACT:
A process in which disubstituted ethane sulfonic compounds are employed as electroplating auxiliaries in electroplating. The compounds for use in combination with the claimed process have the general formula: ##STR1## wherein, A represents a pyridinium radical ##STR2## in which R.sub.1 and R.sub.2 denote hydrogen or an alkyl radical having 1 to 3 carbon atoms, or R.sub.1 and R.sub.2, together with the pyridinium radical, form a condensed six-membered aromatic ring; or,

REFERENCES:
patent: 2876177 (1959-03-01), Gundel et al.
patent: 3314868 (1967-04-01), Willmund et al.
patent: 3328273 (1967-06-01), Creutz et al.
patent: 3376308 (1968-04-01), Gundel
Chemical Abstracts, vol. 102, 4534v, 1985, "Canadian Journal of Chemistry".

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