Patent · US Active

Method of obtaining a yellow gold alloy deposition by galvanoplasty without using toxic metals or metalloids

US10233555B2 · kind B2 · utility

0Cited by

25References

22Claims

0Family size

Assignees

The Swatch Group Research and Development Ltd · CH
G. Aliprandini

Inventors

Giuseppe Aliprandini
Michel Caillaud · Pontarlier, FR

Key dates

Filing date	Sep 11, 2008
Grant date	Mar 19, 2019
Priority date	—
Expiry date	Jul 20, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC25D3/48
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The invention relates to an electrolytic deposition in the form of a gold alloy with a thickness of between 1 and 800 microns and which includes copper. According to the invention, the deposition includes indium as the third main compound. The invention concerns the field of electroplating methods.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.