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
Application
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)
- EP 0196053 B1 19890614
- EP 0452471 B1 19970312 - ATOTECH USA INC [US]
- US 2195409 A 19400402 - FLETT LAWRENCE H
- DE 4305732 A1 19940922 - TRINOVA CHEMIE GMBH [DE]
Citation (search report)
- [AD] EP 0196053 A2 19861001 - M & T CHEMICALS INC [US]
- [AD] DE 4305732 A1 19940922 - TRINOVA CHEMIE GMBH [DE]
- [A] US 5453175 A 19950926 - NEWBY KENNETH R [US]
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