Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Forming nonmetal coating using specified waveform other than...
Reexamination Certificate
2004-10-25
2008-11-18
Tsang-Foster, Susy (Department: 1795)
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Forming nonmetal coating using specified waveform other than...
C205S189000, C205S190000, C205S322000, C205S324000
Reexamination Certificate
active
07452454
ABSTRACT:
Using aqueous electrolytes containing complex fluorides or oxyfluorides such as fluorozirconates and fluorotitanates, ferrous metal articles and non-metallic articles having a first coating containing aluminum may be rapidly anodized to form a second protective surface coating. White coatings may be formed on articles using pulsed direct current or alternating current.
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Cameron Mary K.
Henkel KGaA
Leader William T
Tsang-Foster Susy
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