Preparation of an intermediate layer between a high-melting dental metal alloy and dental porcelain
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United States of America Patent
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Jan 17, 1984
Grant Date -
N/A
app pub date -
Nov 25, 1981
filing date -
Dec 9, 1980
priority date (Note) -
Expired
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Abstract
A process for producing and intermediate layer between a high-melting dental alloy and a dental porcelain which comprises applying to said high-melting dental metal alloy a composition comprising. (a) at least a metal or a metal alloy which is thermally stable at a temperature of at least 800.degree. C.; (b) gold or a gold compound which decomposes to metallic gold, or a gold alloy; (c) at least one flux; and (d) aluminum and/or solver or an aluminum-silver alloy or a silver compound which decomposes two metallic silver, in a liquid vehicle (A) in which component (c) is at least partially soluble, drying the so-treated high-melting dental metal alloy and sintering said composition and thereafter treating the so-sintered composition with a liquid (B) in which the non-metallic components of said composition are at least partially soluble.
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