Title (en)

METHOD FOR ELECTROCHEMICALLY TREATING ARTICLES MADE OF CONDUCTIVE MATERIALS.

Title (de)

VERFAHREN ZUR ELEKTROCHEMISCHEN BEHANDLUNG VON ERZEUGNISSEN AUS LEITFÄHIGEM MATERIAL.

Title (fr)

PROCEDE POUR TRAITER ELECTROCHIMIQUEMENT DES ARTICLES CONSTITUES DE MATERIAUX CONDUCTEURS.

Publication

EP 0416099 A4 19901206 (DE)

Application

EP 89900683 A 19881021

Priority

SU 8800201 W 19881021

Abstract (en)

[origin: WO9004664A1] The method consists in charging the article to be treated with a positive polarity voltage of 200-400 V and immersing it into an aqueous solution of electrolyte at a concentration of 2-12 per cent by weight and at a temperature of 40-95 DEG C.

IPC 1-7

C25F 3/00

IPC 8 full level

C25F 1/00 (2006.01); C25F 3/16 (2006.01)

CPC (source: EP US)

C25F 1/00 (2013.01 - EP US); C25F 3/16 (2013.01 - EP US)

Citation (search report)

• [A] DE 2355865 A1 19740509 - ELECTRICITY COUNCIL LONDON [GB], et al
• [A] DD 260717 A1 19881005 - VNII PK I METALLURG MASH IM A [SU]
• [A] US 3812022 A 19740521 - ROGERS C, et al
• [A] US 4004992 A 19770125 - TYLER ROGER K, et al
• See references of WO 9004664A1

Designated contracting state (EPC)

CH DE FR GB IT LI SE

DOCDB simple family (publication)

WO 9004664 A1 19900503; CN 1044307 A 19900801; EP 0416099 A1 19910313; EP 0416099 A4 19901206; FI 903132 A0 19900620; JP H03501753 A 19910418; US 5028304 A 19910702

DOCDB simple family (application)

SU 8800201 W 19881021; CN 89100258 A 19890117; EP 89900683 A 19881021; FI 903132 A 19900620; JP 50047889 A 19881021; US 49946790 A 19900615