Hard copper free dental gold alloys

Details Hard copper free dental gold alloys Hard copper free dental gold alloys

1976-01-27

1977-02-08

Lovell, C.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

C22C 502

Patent

active

040070409

ABSTRACT:
A hard, copper free gold alloy for dental purposes is prepared containing 61 to 85 weight % gold, 8 to 15 weight % platinum, 0 to 4 weight % palladium, 5 to 15 weight % silver and 2 to 5 weight % zinc. 0.05 to 0.1 weight % of the platinum can be replaced by iridium.

REFERENCES:
patent: 2304416 (1942-12-01), Leuser
patent: 3340050 (1967-09-01), Nielsen et al.
patent: 3679402 (1972-07-01), Hirschhorn
patent: 3819366 (1974-06-01), Katz

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