Global Patent Index - EP 1245688 A2

EP 1245688 A2 20021002 - Grey-coloured gold alloy, without nickel

Title (en)

Grey-coloured gold alloy, without nickel

Title (de)

Graue Goldlegierung, ohne Nickel

Title (fr)

Alliage d'or gris sans nickel

Publication

EP 1245688 A2 20021002 (FR)

Application

EP 02005157 A 19981214

Priority

  • EP 02005157 A 19981214
  • EP 98811224 A 19981214

Abstract (en)

A white gold alloy without nickel comprises, by weight,: (a) 75 to 76 % Au; (b) between 5 and 7 % Pd; (c) between 10 and 18 % Cu; (d) less than 5 % Ag; (e) less than 7 % Zn. The alloy may also contain one or more of the elements Ir, In, Ta, Si, Ga, Ti in proportions between 0.002 and 0.15 %.

Abstract (fr)

Cet alliage d'or blanc sans nickel comprend, exprimé en poids, Au 75-76%, entre 5 et 7% de Pd, entre 10 et 18% de Cu, < 5% de Ag et < 7% de Zn.

IPC 1-7

C22C 5/02

IPC 8 full level

A44C 27/00 (2006.01); C22C 5/02 (2006.01)

CPC (source: EP US)

A44C 27/003 (2013.01 - EP US); C22C 5/02 (2013.01 - EP US)

Designated contracting state (EPC)

CH DE ES FR GB IT LI

DOCDB simple family (publication)

EP 1010768 A1 20000621; EP 1010768 B1 20030326; DE 69812652 D1 20030430; DE 69812652 T2 20040429; DE 69823891 D1 20040617; DE 69823891 T2 20050519; EP 1245688 A2 20021002; EP 1245688 A3 20021030; EP 1245688 B1 20040512; ES 2195300 T3 20031201; ES 2220846 T3 20041216; JP 2000178669 A 20000627; US 2002127134 A1 20020912; US 6342182 B1 20020129; US 6787102 B2 20040907

DOCDB simple family (application)

EP 98811224 A 19981214; DE 69812652 T 19981214; DE 69823891 T 19981214; EP 02005157 A 19981214; ES 02005157 T 19981214; ES 98811224 T 19981214; JP 35425599 A 19991214; US 46047199 A 19991214; US 5457101 A 20011112