Compositions: coating or plastic – Coating or plastic compositions – Alkali metal silicate containing
Reexamination Certificate
2011-03-01
2011-03-01
Marcantoni, Paul (Department: 1731)
Compositions: coating or plastic
Coating or plastic compositions
Alkali metal silicate containing
C106S603000
Reexamination Certificate
active
07896962
ABSTRACT:
A slurry coating composition is described, which is very useful for enriching the surface region of a metal-based substrate with aluminum. The composition includes colloidal silica and particles of an aluminum-based powder, and is substantially free of hexavalent chromium. The slurry may include colloidal silica and an alloy of aluminum and silicon. Alternatively, the slurry includes colloidal silica, aluminum or aluminum-silicon, and an organic stabilizer such as glycerol. The slurry exhibits good thermal and chemical stability for extended periods of time, making it very useful for industrial applications. Related methods and articles are also described.
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Carr David
DiDomizio Richard
Gigliotti, Jr. Michael Francis
Kogan Anatoli
Kool Lawrence Bernard
Coppa Francis T.
General Electric Company
Marcantoni Paul
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