EP 2867379 A1 20150506 - MASTER ALLOYS FOR MANUFACTURING WHITE GOLD ALLOYS, AND METHOD FOR MANUFACTURING THEREOF
Title (en)
MASTER ALLOYS FOR MANUFACTURING WHITE GOLD ALLOYS, AND METHOD FOR MANUFACTURING THEREOF
Title (de)
VORLEGIERUNGEN ZUR HERSTELLUNG VON WEISSGOLDLEGIERUNGEN UND HERSTELLUNGSVERFAHREN DAFÜR
Title (fr)
ALLIAGES MÈRES POUR LA FABRICATION D'ALLIAGES D'OR BLANC, ET SON PROCÉDÉ DE FABRICATION
Publication
Application
Priority
- IT VI20130118 A 20130424
- IB 2014060983 W 20140424
Abstract (en)
[origin: WO2014174482A1] A nickel- and palladium-free master alloy usable with gold for manufacturing white gold alloys, comprising: (A) 35% to 80% by weight of silver; (B) 3% to 20% by weight of zinc; (C) 0,5% to 40% by weight of copper; (D) 5% to 40% by weight of manganese; (E) 0% to 0,25% by weight of at least one grain refiner selected the group consisting of: iridium, ruthenium, rhenium, cobalt and rhodium; (F) 0% to 0,5% by weight of at least one deoxidizing agent selected the group consisting of: silicon, lithium and phosphorus; (G) 0% to 3% of gallium. A method for manufacturing such master alloy, comprising the steps of preparing a mixture of the above components (A) to (G) and tableting this mixture.
IPC 8 full level
CPC (source: EP)
C22C 5/02 (2013.01); C22C 5/06 (2013.01); C22C 30/02 (2013.01); C22C 30/06 (2013.01)
Citation (search report)
See references of WO 2014174482A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2014174482 A1 20141030; EP 2867379 A1 20150506; IT VI20130118 A1 20141025
DOCDB simple family (application)
IB 2014060983 W 20140424; EP 14731027 A 20140424; IT VI20130118 A 20130424