Yellow metal alloy

Alloys or metallic compositions – Silver base – Copper containing

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C22C 506

Patent

active

043701647

ABSTRACT:
An alloy of about 4 to 10% gold, silver, copper, palladium, indium, zinc and boron producing an alloy with a pleasing yellow color. Tarnish resistance, wear resistance and heft are similar to 10 karat gold with a lesser cost due to the low gold content.

REFERENCES:
patent: 2058857 (1936-10-01), Emmert
patent: 2151905 (1939-03-01), Hensel
patent: 2157933 (1939-05-01), Hensel et al.
patent: 2161574 (1939-06-01), Hensel et al.
patent: 2180827 (1939-11-01), Hensel et al.
patent: 2189756 (1940-02-01), Hensel
patent: 2195307 (1940-03-01), Hensel et al.
patent: 2221286 (1940-11-01), Hensel et al.
patent: 3661569 (1972-05-01), Abbott
patent: 4052531 (1977-10-01), Steine et al.

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