Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1977-04-06
1978-09-19
Williams, Howard S.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
C25D 1306, C25D 1310
Patent
active
041152263
ABSTRACT:
Cataphoretic electrodeposition baths for coating ferrous metal articles, particularly untreated ferrous metal articles, are disclosed. The baths comprise aqueous dispersions of cationic electrodepositable resins and lead ions which are introduced into said bath by the addition of water-soluble lead compounds. Coatings electrodeposited on ferrous metal articles from such baths have excellent corrosion resistance.
REFERENCES:
patent: 3682814 (1972-08-01), Gilchrist
patent: 3692714 (1972-09-01), Keyman et al.
Jerabek Robert D.
Zwack Robert R.
PPG Industries Inc.
Uhl William J.
Williams Howard S.
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