Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Forming nonmetal coating
Reexamination Certificate
2008-07-29
2008-07-29
Sheehan, John P. (Department: 1793)
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Forming nonmetal coating
Reexamination Certificate
active
07404887
ABSTRACT:
In an anodized electrode which comprises a substrate, a vacuum deposited porous coating thereon comprising at least one substance selected from valve metals, valve metal oxides and mixtures thereof, and at least one ectrolytically produced anodized layer selected from valve metal oxides and mixtures thereof, the effective surface area is increased prior to deposition of the at least one anodized layer, e.g. by oxidizing the surface of the porous layer and removing thus formed oxide, and/or by roughening the surface of substrate mechanically, chemically and/or electrochemically, prior to vapor deposition.
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Katsir Dina
Zarnitsky Uri
ACKTAR, Ltd.
Mayer & Williams PC
Roe Jessee
Sheehan John P.
Williams Esq. Karin L.
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