Grey gold alloy

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United States of America Patent

PATENT NO 11591672
APP PUB NO 20160273077A1
SERIAL NO

15052011

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Abstract

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A grey gold alloy which is nickel-free, cobalt-free, iron-free, silver-free, copper-free, zirconium-free, niobium-free, chromium-free and manganese-free, including, expressed in weight percent, from 75.0 to 76.5% of Au, from 15 to 23% of Pd, from 0.5 to 5% of Rh, from 0 to 7% of Pt, and from 0 to 5% of at least one of the alloying elements Ir, Ru, Ti, In, Ga, B and Re, the respective percentages of all the alloying elements adding up to 100%.

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Patent Owner(s)

Patent OwnerAddress
THE SWATCH GROUP RESEARCH AND DEVELOPMENT LTDRUE DES SORS 3 MARIN 2074

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dubach, Alban Bienne, CH 29 57
Karapatis, Polychronis Nakis Premier, CH 29 50
Kissling, Gregory Macolin, CH 64 74
Lauper, Stephane Cortaillod, CH 22 36
Villard, Gaetan L'Abbaye, CH 10 12
Vincent, Denis Neuchatel, CH 21 26

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