Alloys or metallic compositions – Containing over 50 per cent metal but no base metal – Chromium containing
Patent
1981-03-06
1983-05-10
Rutledge, L. Dewayne
Alloys or metallic compositions
Containing over 50 per cent metal but no base metal
Chromium containing
420580, 420463, 420436, 420437, C22C 3000, C22C 1907, C22C 504
Patent
active
043829090
ABSTRACT:
There is provided a gold free alloy for firing on ceramic compositions, especially for dental purposes consisting essentially of 1-70 weight % palladium, 0.1-35 weight % chromium, and the balance consisting essentially of cobalt. There can also be present up to 1 weight % boron, up to 20 weight % molybdenum and/or tungsten, up to 8 weight % scandium, yttrium, lanthanum and/or the rare earths and up to 5 weight % aluminum, silicon, tin, indium and/or gallium.
REFERENCES:
patent: 2182041 (1939-12-01), Szabo
patent: 2226079 (1940-12-01), Spanner
patent: 3121629 (1964-02-01), Mann
patent: 3896547 (1975-07-01), Kulwiec
patent: 3928913 (1975-12-01), Schaffer
patent: 3976436 (1976-08-01), Chang
patent: 4018569 (1977-04-01), Chang
patent: 4061495 (1977-12-01), Selman et al.
patent: 4149881 (1979-04-01), D'Silva
patent: 4239533 (1980-12-01), Miyazaki
patent: 4261742 (1981-04-01), Coupland et al.
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Rutledge L. Dewayne
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