EP 3106544 A4 20170809 - CONTINUOUS TRIVALENT CHROMIUM PLATING METHOD
Title (en)
CONTINUOUS TRIVALENT CHROMIUM PLATING METHOD
Title (de)
KONTINUIERLICHES VERFAHREN ZUR PLATTIERUNG MIT DREIWERTIGEM CHROM
Title (fr)
PROCÉDÉ DE PLACAGE AU CHROME TRIVALENT EN CONTINU
Publication
Application
Priority
- CO 14028206 A 20140211
- IB 2015050974 W 20150209
Abstract (en)
[origin: EP3106544A2] This invention belongs to the field of chemistry and metallurgy and it is specifically related to a process for the electrolytic and electrophoretic production of electrochemical coatings with a bath from trivalent decorative chromium solutions on a metal or plastic substrate with trivalent chromium ions, sulfate ions, graphite anodes, hexavalent chromium control and false cathode purifications in a continuous industrial operation.
IPC 8 full level
C25D 3/06 (2006.01); C25D 21/12 (2006.01); C25D 21/14 (2006.01); C25D 21/18 (2006.01)
CPC (source: EP US)
C25D 3/06 (2013.01 - EP US); C25D 21/12 (2013.01 - EP US); C25D 21/14 (2013.01 - US); C25D 21/18 (2013.01 - EP US)
Citation (search report)
- [Y] GB 2141138 A 19841212 - OMI INT CORP
- [Y] US 4167460 A 19790911 - TOMASZEWSKI THADDEUS W
- [Y] US 2112691 A 19380329 - CROWDER WILLIAM A
- [Y] US 2006118427 A1 20060608 - EDIGARYAN ARAMAYIS [US]
- [A] CN 201172698 Y 20081231 - FOSHAN ZHAOXIN METAL PRODUCTS [CN]
- See references of WO 2015121790A2
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
DOCDB simple family (publication)
EP 3106544 A2 20161221; EP 3106544 A4 20170809; BR 112016018584 A2 20190820; CN 106164340 A 20161123; CO 7190036 A1 20150219; MX 2016010449 A 20170619; RU 2016135556 A 20180315; RU 2016135556 A3 20181029; US 2017167040 A1 20170615; WO 2015121790 A2 20150820; WO 2015121790 A3 20160121
DOCDB simple family (application)
EP 15748593 A 20150209; BR 112016018584 A 20150209; CN 201580019366 A 20150209; CO 14028206 A 20140211; IB 2015050974 W 20150209; MX 2016010449 A 20150209; RU 2016135556 A 20150209; US 201515118460 A 20150209