Chemistry: electrical and wave energy – Processes and products
Patent
1977-06-13
1978-08-08
Mack, John H.
Chemistry: electrical and wave energy
Processes and products
204 58, C25D 1106
Patent
active
041055110
ABSTRACT:
A process for treating the surface of aluminum or aluminum alloy comprising the steps of contacting aluminum or aluminum alloy with hot water or steam to form an aluminum oxide layer thereon and conducting electrolysis using the resulting aluminum or aluminum alloy as an anode by applying direct current in an aqueous solution consisting essentially of a water-soluble salt of at least one oxyacid selected from the group consisting of silicic acid, phosphoric acid, molybdic acid, vanadic acid, permanganic acid, stannic acid and tungstic acid.
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patent: 2859148 (1958-11-01), Altenpohl
patent: 2868702 (1959-01-01), Brennan
patent: 2981647 (1961-04-01), Schwartz
patent: 3834999 (1974-09-01), Hardcousky et al.
patent: 3836437 (1974-09-01), Osada et al.
Iihashi Mototaka
Nikaido Norio
Shirai Shinji
Suzuki Kisaku
Umemoto Sueo
Kansai Paint Company Limited
Leader William T.
Mack John H.
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