Sinterable base composition for the preparation of an...

Details Sinterable base composition for the preparation of an... Sinterable base composition for the preparation of an...

C - Chemistry, Metallurgy

22

C

75/1, 75/162

C22C 5/00 (2006.01) A61K 6/04 (2006.01)

Patent

CA 1175684

ABSTRACT OF THE DISCLOSURE A base composition which can be applied by sintering for the prepara- tion of an intermediate layer between a high-melting dental metal alloy especi- ally a nonprecious metal alloy, and dental porcelain; the base composition com- prises the following components; (a) At least one high-melting, especially nonprecious, metal or a high melting metal alloy, especially a dental metal or a dental metal alloy; (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 silver or an aluminum-silver alloy or a silver com- pound which decomposes to metallic silver. The base composition is applied to the dental metal alloy by means of a liquid vehicle, and sintered thereon. The base composition coating is then treated with a liquid which dissolves the non- metallic components so as to produce a rough surface.

391823

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