White gold alloy compositions

Details White gold alloy compositions White gold alloy compositions

2005-10-04

2005-10-04

Ip, Sikyin (Department: 1742)

Metal treatment

Stock

Noble metal base

C420S511000

Reexamination Certificate

active

06951588

ABSTRACT:
A nickel- and palladium-free 14-karat white gold alloy composition consists of the following parts by weight: about 58.34% gold, about 35–40% silver, about 0.5–1.80% tin, and about 0–0.75% germanium.

REFERENCES:
patent: 4320928 (1993-06-01), None
patent: 19958800 (2001-01-01), None

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