EP 1227166 A1 20020731 - Grey gold alloy
Title (en)
Grey gold alloy
Title (de)
Graue Goldlegierung
Title (fr)
Alliage d'or gris
Publication
Application
Priority
EP 01810074 A 20010126
Abstract (en)
A grey gold alloy without nickel, cobalt, iron and silver comprises, by weight: (a) Au : 75 to 76 %; (b) Cu ≥ 17 %; (c) Mn less than 7 %; (d) Zn ≤ 2 %. This gold alloy may also contain, by weight: (a) Si ≤ 0.5 %; (b) at least one of the elements Ti less than 0.3 % or Ta less than 0.3 %; (c) 0 % Pd and at most 2 % Pt.
Abstract (fr)
Cet alliage d'or gris sans nickel, sans cobalt, sans fer et sans argent comporte, exprimé en poids, entre Au 75-76%, Cu >= 17%, Mn < 7%, Pd 0-5%, Zn <= 2%.
IPC 1-7
IPC 8 full level
A44C 27/00 (2006.01); C22C 5/02 (2006.01)
CPC (source: EP)
A44C 27/003 (2013.01); C22C 5/02 (2013.01); C22F 1/14 (2013.01)
Citation (search report)
- [XDA] EP 1010768 A1 20000621 - METAUX PRECIEUX SA [CH]
- [XDA] FR 2764906 A1 19981224 - ENGELHARD CLAL SAS [FR]
- [A] DATABASE WPI Section Ch Week 200034, Derwent World Patents Index; Class M26, AN 2000-398342, XP002161414
- [A] PATENT ABSTRACTS OF JAPAN vol. 2000, no. 02 29 February 2000 (2000-02-29)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1227166 A1 20020731; EP 1227166 B1 20100428; AT E466115 T1 20100515; DE 60141941 D1 20100610
DOCDB simple family (application)
EP 01810074 A 20010126; AT 01810074 T 20010126; DE 60141941 T 20010126