LEGOR GROUP S.P.A.
LEGOR GROUP S.P.A. Patent applications | ||
Patent application number | Title | Published |
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20150354029 | MASTER ALLOY COMPOSITION FOR PRODUCING GOLD ALLOYS AND GOLD ALLOY - A master alloy composition for producing gold alloys with innovative refiners system comprising iridium (Ir): 0.01÷0.8% by weight, ruthenium (Ru): 0.002÷0.9% by weight, rhodium (Rh): 0.002÷0.8% by weight, and copper (Cu): 20÷99.965% by weight, wherein iridium (Ir), ruthenium (Ru) and rhodium (Rh) are the grain refiners. | 12-10-2015 |