EP 0936288 A3 20000607 - A process for producing colour variations on electrolytically pigmented anodized aluminium
Title (en)
A process for producing colour variations on electrolytically pigmented anodized aluminium
Title (de)
Verfahren zur Herstellung von Farbevariationen auf elektrolytisch pigmentiertem, anodisiertem Aluminium
Title (fr)
Procédé pour produire des variations de couleur sur de l'aluminium anodisé et pigmenté par voie électrolytique
Publication
Application
Priority
US 403598 A 19980107
Abstract (en)
[origin: EP0936288A2] A process for producing a coloured article of anodized aluminium or aluminium alloy, wherein an anodized aluminium or aluminium alloy article (A), which is electrolytically pigmented with a metallic pigment (B) within the anodically produced oxide layer, is treated with a solution (C) comprising metal cations of a species other than that of said metallic pigment (B), until a perceivable colour conversion has taken place, and sealed.
IPC 1-7
IPC 8 full level
C25D 11/22 (2006.01)
CPC (source: EP)
C25D 11/22 (2013.01)
Citation (search report)
- [XY] US 5167793 A 19921201 - JOZEFOWICZ MARK A [CA]
- [X] US 3769180 A 19731030 - GEDDE O
- [X] US 4251330 A 19810217 - SHEASBY PETER G, et al
- [DX] US 5587063 A 19961224 - KUHM PETER [DE], et al
- [Y] GB 2108153 A 19830511 - NAGANO PREFECTURE, et al
- [A] S. WERNICK, R. PINNER, P.G. SHEASBY: "The surface treatment and finishing of aluminium and its alloys", 1987, FINISHING PUBLICATIONS LTD., TEDDINGOTON, MIDDLESEX, ENGLAND, XP002134865, 155770
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0936288 A2 19990818; EP 0936288 A3 20000607; AU 1002799 A 19990729; CA 2258370 A1 19990707; JP H11256394 A 19990921
DOCDB simple family (application)
EP 98811275 A 19981231; AU 1002799 A 19990105; CA 2258370 A 19990105; JP 124999 A 19990106