Stock material or miscellaneous articles – Composite – Of metal
Reexamination Certificate
2006-01-10
2009-11-24
Speer, Timothy M (Department: 1794)
Stock material or miscellaneous articles
Composite
Of metal
C428S472000, C428S701000, C428S702000, C427S419200, C416S24100B
Reexamination Certificate
active
07622195
ABSTRACT:
A process of coating an article includes the steps of (1) applying a ceramic based compound to at least one surface of an article to form a layer of ceramic based compound; (2) applying at least one inert compound upon the ceramic based compound layer to form a protective layer, wherein the at least one inert compound is composed of a first inert compound having a cubic crystalline structure of formula (I) A3B2X3O12, or a second inert compound comprising a hexagonal crystalline structure of formula (II) A4B6X6O26, or a mixture of the first inert compound and the second inert compound; (3) optionally drying the coated article; (4) optionally repeating steps (2) and (3); and (5) heat treating the coated article.
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Freling Melvin
Litton David A.
Maloney Michael J.
Schlichting Kevin W.
Smeggil John G.
Bachman & LaPointe P.C.
Speer Timothy M
United Technologies Corporation
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