Electroplating baths for nickel, iron, cobalt and alloys thereof

Details Electroplating baths for nickel, iron, cobalt and alloys thereof Electroplating baths for nickel, iron, cobalt and alloys thereof

1981-08-24

1984-02-07

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 48, 204 49, 544237, 544335, 546102, 546172, 546339, 548143, 548262, C25D 318, C25D 356

Patent

active

044301715

ABSTRACT:
An aqueous electroplating bath for nickel, cobalt, nickel-cobalt, nickel-iron, cobalt-iron or nickel-cobalt-iron is described which contains, as a brightening agent, a quaternary amine sulfobetaine of the formula ##STR1## wherein N.sup.+ is a heterocyclic tertiary amine group,

REFERENCES:
patent: 2876177 (1959-03-01), Gundel
patent: 3220940 (1965-11-01), Brown et al.
patent: 3314868 (1967-04-01), Willmund et al.
patent: 3697391 (1972-10-01), Passal
patent: 3862019 (1975-01-01), Rosenberg et al.
patent: 4212709 (1980-07-01), Patsch et al.
Shigeru Tsunoo, Berichte, 68, 1334, (1935).

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