Metal treatment – Process of modifying or maintaining internal physical... – Processes of coating utilizing a reactive composition which...
Reexamination Certificate
2003-03-11
2011-12-13
King, Roy (Department: 1742)
Metal treatment
Process of modifying or maintaining internal physical...
Processes of coating utilizing a reactive composition which...
C148S240000, C148S243000, C148S279000, C106S014050, C106S014110, C106S014210
Reexamination Certificate
active
08075709
ABSTRACT:
A method for the surface treatment of aluminum or an aluminum alloy which comprises soaking aluminum or an aluminum alloy in a treating fluid containing ammonium silicofluoride and another aluminum-free fluorine compound to form a film thereon, wherein the treating fluid comprises an aqueous solution further containing at least one substance selected from the group consisting of aluminum fluoride, aluminum hydroxide, aluminum silicate, magnesium aluminate metasilicate and powdered aluminum.
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King Roy
Myers Bigel Sibley & Sajovec P.A.
Suzuki Motor Corporation
Zheng Lois
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