EP 1685279 A2 20060802 - SURFACE FINISHING METHOD FOR SILVER AND ITS ALLOYS
Title (en)
SURFACE FINISHING METHOD FOR SILVER AND ITS ALLOYS
Title (de)
OBERFLÄCHENVERGÜTUNGSVERFAHREN FÜR SILBER UND SILBERLEGIERUNGEN
Title (fr)
PROCEDE DE FINITION DE SURFACE POUR L'ARGENT ET SES ALLIAGES
Publication
Application
Priority
- EP 2004012761 W 20041110
- IT MI20032218 A 20031114
Abstract (en)
[origin: WO2005047570A2] A method is described for the surface finishing or plating of silver and/or its alloys characterized in that it comprises the following steps: - a washing pre-treatment of a silver object to be subjected to finishing, which comprises: a. washing in an ultrasound bath having frequencies higher than 40,000 Hertz; b. subsequent washing of the object in a bath containing a solution consisting of perchloro ethylene and dichloro propane in a weight ratio ranging from 70/30 to 50/50: c. washing in a bath with distilled water; - immersion in a galvanic bath containing a solution of a metal belonging to groups 8, 9, 10 and 13 of the periodic table.
IPC 8 full level
C25D 5/34 (2006.01); C25D 3/50 (2006.01); C25D 5/50 (2006.01)
CPC (source: EP)
Citation (search report)
See references of WO 2005047570A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005047570 A2 20050526; WO 2005047570 A3 20050811; EP 1685279 A2 20060802; IT MI20032218 A1 20050515
DOCDB simple family (application)
EP 2004012761 W 20041110; EP 04797802 A 20041110; IT MI20032218 A 20031114