Invention Grant
- Patent Title: Method of obtaining a 18 carats 3N gold alloy
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Application No.: US16038662Application Date: 2018-07-18
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Publication No.: US10793961B2Publication Date: 2020-10-06
- Inventor: Thomas Froelicher , Christophe Henzirohs , Guido Plankert
- Applicant: The Swatch Group Research and Development Ltd
- Applicant Address: CH Marin
- Assignee: The Swatch Group Research and Development Ltd
- Current Assignee: The Swatch Group Research and Development Ltd
- Current Assignee Address: CH Marin
- Agency: Sughrue Mion, PLLC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@6441169f
- Main IPC: B32B15/01
- IPC: B32B15/01 ; C25D3/62

Abstract:
A method for the galvanoplastic deposition of a gold alloy on an electrode dipped into a bath including gold metal, organometallic compounds, a wetting agent, a sequestering agent and free cyanide, the alloy metals being copper metal and silver metal allowing a mirror-bright yellow gold alloy to be deposited on the electrode characterized in that the bath respects a proportion of 21.53% gold, 78.31% copper and 0.16% silver.
Public/Granted literature
- US20180320283A1 METHOD OF OBTAINING A 18 CARATS 3N GOLD ALLOY Public/Granted day:2018-11-08
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