Dental amalgam alloy

Details Dental amalgam alloy Dental amalgam alloy

1987-06-05

1989-08-22

Sheehan, John P.

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

420503, 420504, 420587, 420589, 4332281, B22F 100

Patent

active

048592404

ABSTRACT:
The present invention relates to a dental amalgam alloy comprising by weight, as alloying ingredients, from about 30 to 70% silver, from about 20 to 35% tin, from about 10 to 30% cooper, from 0 to about 5% indium, from 0 to about 1% zinc and from about 0.01 to 2% of a Group VIII metal selected from the group consisting of platinum, rhodium, iridium and ruthenium.

REFERENCES:
patent: 4374085 (1983-02-01), Asgar et al.
patent: 4664629 (1987-05-01), Chodkowski
patent: 4686082 (1987-08-01), Parker

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