Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1989-10-17
1991-06-04
Niebling, John F.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
2041814, 2041817, G25D 1322, G25D 1310
Patent
active
050211358
ABSTRACT:
In a method for electrocoating an electrically conductive surface serving as an electrode, which method comprises passing an electrical current between the electrically conductive surface to be electrocoated and a counter electrode in contact with an electrodeposition bath comprising a synthetic resin ionically dispersed in an aqueous medium, wherein improvement comprises (a) adding a complexing agent, and then (b) removing at least a portion of the complexing agent along with metals coordinated therewith from the bath.
REFERENCES:
patent: 3663397 (1972-05-01), Le Bras et al.
patent: 3663398 (1972-05-01), Christenson et al.
patent: 3663403 (1972-05-01), Christenson et al.
patent: 3935087 (1976-01-01), Jerabek
patent: 4012351 (1977-03-01), Hall et al.
patent: 4395528 (1983-07-01), Leiner
patent: 4495327 (1985-01-01), Schenck
Analytical Chemistry by J. G. Dick, pp. 161-169.
"Photostabilization by Hindered Amines: The Role of Transition Metal Complexation", by Fairgrieve et al., Polymer Communications, 1984, vol. 25, Feb., pp. 44-46.
Dugan Carol S.
Jozwiak, Jr. Edward L.
Koren Jeffrey G.
Longhini Debra M.
Olson Kurt G.
Long Daniel J.
Mayekar Kishor
Niebling John F.
PPG Industries Inc.
LandOfFree
Method for treatment of electrodeposition bath does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for treatment of electrodeposition bath, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for treatment of electrodeposition bath will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1024631