EP 0186897 B1 19890315 - AGENT AND PROCESS FOR THE PRODUCTION OF COLOURLESS SEALING LAYERS ON ANODIZED ALUMINIUM SURFACES
Title (en)
AGENT AND PROCESS FOR THE PRODUCTION OF COLOURLESS SEALING LAYERS ON ANODIZED ALUMINIUM SURFACES
Publication
Application
Priority
DE 3500079 A 19850103
Abstract (en)
[origin: US4756771A] A process and composition for producing colorless, cold-sealed, anodized aluminum or aluminum alloy surfaces. The composition comprises an aqueous solution containing nickel ions and a solution of at least one azo or azo metal dye, the colors imparted by the nickel ions and dye offsetting each other.
IPC 1-7
IPC 8 full level
C25D 11/18 (2006.01); C25D 11/24 (2006.01)
CPC (source: EP US)
C25D 11/243 (2013.01 - EP US); C25D 11/246 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0186897 A1 19860709; EP 0186897 B1 19890315; AT E41448 T1 19890415; AU 5179386 A 19860710; AU 573065 B2 19880526; CA 1268604 A 19900508; DE 3500079 A1 19860710; DE 3568800 D1 19890420; JP S61159597 A 19860719; JP S6363639 B2 19881208; US 4756771 A 19880712; ZA 8618 B 19860827
DOCDB simple family (application)
EP 85116510 A 19851223; AT 85116510 T 19851223; AU 5179386 A 19860102; CA 498514 A 19851223; DE 3500079 A 19850103; DE 3568800 T 19851223; JP 29973585 A 19851227; US 3848087 A 19870414; ZA 8618 A 19860102