Electrodeposition of gold alloys
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 28, 1982
Grant Date -
N/A
app pub date -
Apr 23, 1980
filing date -
Apr 24, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cyanide-free bath for the electrodeposition of pink gold alloys and gold alloys having a white coloration which comprises an aqueous alkaline mixture of a gold sulphite, a water soluble copper alloying salt or complex, a water soluble palladium alloying salt or complex and an alkali metal sulphite or ammonium sulphite. The said bath may also include a water soluble brightening agent in the form of an arsenic, antimony or thallium salt, complex or chelate and a surface active agent. The said alloys are deposited to a thickness of up to 30 microns.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully