Nonprecious dental alloy

Details Nonprecious dental alloy Nonprecious dental alloy

1983-03-30

1985-04-30

Rutledge, L. Dewayne

Alloys or metallic compositions

Cobalt base

Chromium containing

420435, 433207, C22C 1907

Patent

active

045143595

ABSTRACT:
A nonprecious alloy for porcelain-bonded dental restorations consists essentially of, in approximate percentage by weight, 25-30 chromium, 5-7 molybdenum, 0-1.0 each manganese and silicon, 0-0.3 carbon and 0-4 each gallium and indium, balance cobalt, these constituents accounting for at least 99.5 percent of the alloy, the sum of the manganese and silicon being at least about 0.5 percent and the sum of the gallium and indium being at least about 1.25 percent.

REFERENCES:
patent: 3134670 (1964-05-01), Prosen
patent: 3907555 (1975-09-01), Dudek et al.
patent: 3948653 (1976-04-01), Tesk et al.
patent: 4038074 (1977-07-01), Davitz
patent: 4053308 (1977-10-01), Tesk et al.
patent: 4229215 (1980-10-01), Prosen
patent: 4255190 (1981-03-01), Prosen
patent: 4382909 (1983-05-01), Zwingmann
patent: 4459262 (1984-07-01), Kalmar

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