Gold colored alloy composition with zero percent gold

Details Gold colored alloy composition with zero percent gold Gold colored alloy composition with zero percent gold

1989-01-09

1990-01-23

Rutledge, L. Dewayne

Alloys or metallic compositions

Containing over 50 per cent metal but no base metal

Copper containing

420580, 420503, C27C 3002

Patent

active

048957011

ABSTRACT:
A gold colored, tarnish and corrosion resistant gold free alloy is disclosed, usable for jewelry, dental purposes and the like. The alloy consists essentially of 24 to 27 percent palladium, 19 to 22 percent indium, 5 to 30 percent copper, and the balance is essentially silver.

REFERENCES:
patent: 4350527 (1982-09-01), Davitz
patent: 4804517 (1989-02-01), Schaffer et al.

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