Palladium based alloy for dental applications

Details Palladium based alloy for dental applications Palladium based alloy for dental applications

1992-09-04

1994-03-29

Roy, Upendra

Alloys or metallic compositions

Palladium base

420432, 420464, C22C 500

Patent

active

052982181

ABSTRACT:
Palladium based dental alloys do not show unaesthetic discolorations after ceramic firing if said alloys contain 66-85% by weight palladium, 1-20% by weight gold; 0-4% by weight silver; 0-4% by weight of at least one of platinum, iron and/or cobalt; 0.5-7% by weight of each of gallium, tin and indium, whereby the amount of said components total 9-14% by weight; 0-2% by weight germanium and/or zinc; and 0-1% by weight iridium, ruthenium and/or rhenium.

REFERENCES:
patent: 4319877 (1982-03-01), Boyajian
patent: 4539176 (1985-09-01), Cascone
patent: 4591483 (1986-05-01), Nawaz
patent: 4619810 (1986-10-01), Prasad
patent: 5174954 (1992-12-01), Schaffer et al.

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