Title (en)

COMPOSITION FOR REMOVING OXIDES IN ALLOYS OF PRECIOUS METALS OR SIMILAR

Title (de)

ZUSAMMENSETZUNG ZUM ENTFERNEN VON OXIDEN AUF EDELMETALLENLEGIERUNGEN

Title (fr)

COMPOSITION POUR L'ELIMINATION D'OXYDES DES ALLIAGES DE METAUX PRECIEUX OU SIMILAIRES

Publication

EP 1090149 A1 20010411 (EN)

Application

EP 99931119 A 19990621

Priority

• EP 9904283 W 19990621
• IT FI980148 A 19980622

Abstract (en)

[origin: WO9967431A1] Described are compositions which allow one to stabilise alloys of precious metals or similar by removing the oxides which are formed on the surface or inside the crystal lattice and the use of such compositions in the processes of stabilisation of the above said alloys.

IPC 1-7

C21D 1/70; C23G 5/00

IPC 8 full level

C21D 1/70 (2006.01); C23G 5/00 (2006.01)

CPC (source: EP)

C21D 1/70 (2013.01); C23G 5/00 (2013.01)

Citation (search report)

See references of WO 9967431A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE LI LU MC NL PT SE

DOCDB simple family (publication)

WO 9967431 A1 19991229; AT E240411 T1 20030515; AU 4774799 A 20000110; DE 69907909 D1 20030618; DE 69907909 T2 20040311; EP 1090149 A1 20010411; EP 1090149 B1 20030514; ES 2200529 T3 20040301; IT FI980148 A1 19991222

DOCDB simple family (application)

EP 9904283 W 19990621; AT 99931119 T 19990621; AU 4774799 A 19990621; DE 69907909 T 19990621; EP 99931119 A 19990621; ES 99931119 T 19990621; IT FI980148 A 19980622