EP 1876268 A1 20080109 - Black chromium process free of Cr-VI
Title (en)
Black chromium process free of Cr-VI
Title (de)
Cr-VI-freie Schwarzverchromung
Title (fr)
Procédé pour le dépot de chromium noir exempt de Cr-VI
Publication
Application
Priority
EP 06115347 A 20060613
Abstract (en)
Preparation of black chrome-plating of a surface comprises black chrome-plating the metal surface and cleaning the black chrome-plated surface using an alkaline solvent by ultrasound treatment.
Abstract (de)
Die Erfindung betrifft weitgehend die Herstellung von Cr-VI-freien Schwarzverchromungsschichten, vorzugsweise auf Automobilinnenoberflächen. Wesentlich ist die Kombination einer kathodischen Aktivierung vor der Schwarzverchromung mit einer ultraschallunterstützten Reinigung danach.
IPC 8 full level
C25D 11/38 (2006.01); C23C 22/30 (2006.01); C23C 22/83 (2006.01); C25D 3/06 (2006.01); C25D 5/48 (2006.01)
CPC (source: EP US)
C23C 22/37 (2013.01 - EP); C23C 22/83 (2013.01 - EP US); C25D 3/08 (2013.01 - EP); C25D 5/12 (2013.01 - EP US); C25D 5/34 (2013.01 - EP); C25D 5/36 (2013.01 - EP); C25D 5/42 (2013.01 - EP); C25D 5/48 (2013.01 - EP); C25D 5/605 (2020.08 - EP US); C25D 5/611 (2020.08 - EP US); C25D 5/617 (2020.08 - EP US); C25D 5/627 (2020.08 - EP US)
Citation (applicant)
- EP 0087288 A1 19830831 - M & T CHEMICALS INC [US]
- JP S5495941 A 19790728 - NIPPON STEEL CORP
- GB 2218111 A 19891108 - LPW CHEMIE GMBH [DE], et al
- WO 02064862 A2 20020822 - TAIYO MFG CO LTD [JP], et al
- GB 1096017 A 19671220 - UDYLITE CORP
- US 5330558 A 19940719 - MCCORMICK DAVID R [US], et al
- ARTHUR S. KUSHNER: "Plating Clinics", PRODUCT FINISHING, vol. 68, no. 8, 2004, pages 24 - 27
Citation (search report)
- [Y] EP 0087288 A1 19830831 - M & T CHEMICALS INC [US]
- [Y] JP S5495941 A 19790728 - NIPPON STEEL CORP
- [Y] GB 2218111 A 19891108 - LPW CHEMIE GMBH [DE], et al
- [Y] WO 02064862 A2 20020822 - TAIYO MFG CO LTD [JP], et al
- [Y] GB 1096017 A 19671220 - UDYLITE CORP
- [Y] ARTHUR S. KUSHNER: "Plating clinics", PRODUCT FINISHING, vol. 68, no. 8, 2004, Cincinatti, pages 24 - 27, XP002406655
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
EP 1876268 A1 20080109; EP 1876268 B1 20130515; WO 2007144336 A2 20071221; WO 2007144336 A3 20080228
DOCDB simple family (application)
EP 06115347 A 20060613; EP 2007055745 W 20070612