Global Patent Index - EP 2792770 A1

EP 2792770 A1 20141022 - Functional chromium layer with improved corrosion resistance

Title (en)

Functional chromium layer with improved corrosion resistance

Title (de)

Funktionelle Chromschicht mit verbesserter Korrosionsbeständigkeit

Title (fr)

Couche de chrome fonctionnelle présentant une résistance améliorée à la corrosion

Publication

EP 2792770 A1 20141022 (EN)

Application

EP 13164188 A 20130417

Priority

EP 13164188 A 20130417

Abstract (en)

The aqueous electroplating bath according to the present invention comprises chromium(VI) ions, sulfate ions and methane-trisulfonic acid or a salt thereof as the catalyst. The functional chromium layer deposited from the aqueous electroplating bath according to the present invention has an increased corrosion resistance.

IPC 8 full level

C25D 3/10 (2006.01); C25D 3/56 (2006.01); C25D 17/10 (2006.01)

CPC (source: EP US)

C25D 3/08 (2013.01 - US); C25D 3/10 (2013.01 - EP US); C25D 3/56 (2013.01 - EP US); C25D 17/10 (2013.01 - EP US)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2792770 A1 20141022; EP 2792770 B1 20150624; CA 2908478 A1 20141023; CA 2908478 C 20201215; CN 105102686 A 20151125; CN 105102686 B 20170308; ES 2546007 T3 20150917; JP 2016519219 A 20160630; JP 6388913 B2 20180912; KR 102194114 B1 20201223; KR 20150140653 A 20151216; PL 2792770 T3 20151130; TW 201500597 A 20150101; TW I645078 B 20181221; US 2016024674 A1 20160128; WO 2014170037 A1 20141023

DOCDB simple family (application)

EP 13164188 A 20130417; CA 2908478 A 20140122; CN 201480020384 A 20140122; EP 2014051251 W 20140122; ES 13164188 T 20130417; JP 2016508048 A 20140122; KR 20157025920 A 20140122; PL 13164188 T 20130417; TW 103114078 A 20140417; US 201414765609 A 20140122