Alloy useful particularly in dentistry

Details Alloy useful particularly in dentistry Alloy useful particularly in dentistry

1989-01-23

1990-05-29

McDowell, Robert

Alloys or metallic compositions

Platinum base

428457, 428469, 433207, 4332221, C22C 504

Patent

active

049294202

ABSTRACT:
The invention provides an alloy useful particularly in dentistry.
The alloy of the invention in its broadest aspect contains from about 0.05 to about 8% by weight of indium and from about 8 to about 20% by weight of iridium, the balance essentially being platinum. Preferably, however, the allow consists essentially of platinum, iridium and indium, and contains from about 0.05 to about 8% by weight of indium, with the weight ratio of platinum to iridium being from about 84 to about 86:15.
The alloy is useful in forming dental prostheses with aluminous porcelain or with a castable ceramic.

REFERENCES:
patent: 4806306 (1989-02-01), Groll et al.

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