Alloys or metallic compositions – Silver base – Copper containing
Patent
1984-07-02
1987-08-11
Sheehan, John P.
Alloys or metallic compositions
Silver base
Copper containing
420504, 420587, 420589, 75251, 4332281, C22C 508
Patent
active
046860827
ABSTRACT:
The present disclosure 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% copper, 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.
Cheetham Jeffery J.
Hinds William R.
Sheehan John P.
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