EP 0154201 B1 19870819 - PROCESS FOR THE AFTERTREATMENT OF ALUMINIUM OXIDE LAYERS WITH AQUEOUS SOLUTIONS CONTAINING ALKALI-METAL SILICATE, AND THEIR USE IN THE PRODUCTION OF SUPPORTS FOR OFF-SET PRINTING PLATES
Title (en)
PROCESS FOR THE AFTERTREATMENT OF ALUMINIUM OXIDE LAYERS WITH AQUEOUS SOLUTIONS CONTAINING ALKALI-METAL SILICATE, AND THEIR USE IN THE PRODUCTION OF SUPPORTS FOR OFF-SET PRINTING PLATES
Publication
Application
Priority
DE 3406102 A 19840221
Abstract (en)
[origin: EP0154201A1] 1. Process for manufacturing materials in the form of sheets, foils or webs, based on aluminum or an alloy thereof, which has been grained electrochemically in an aqueous solution containing nitric acid or mechanically and electrochemically in a solution containing nitric acid and anodically oxidized and the aluminum oxide layers of which are post-treated with an aqueous solution containing alkali metal silicate, wherein post-treatment is performed in an aqueous solution containing alkali metal silicate and alkaline earth metal ions.
IPC 1-7
IPC 8 full level
B41N 3/00 (2006.01); B41N 1/08 (2006.01); B41N 3/03 (2006.01); C25D 11/08 (2006.01); C25D 11/20 (2006.01); C25D 11/24 (2006.01); C25F 3/04 (2006.01); G03F 7/00 (2006.01)
CPC (source: EP)
B41N 3/038 (2013.01); C25D 11/20 (2013.01); C25D 11/24 (2013.01)
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
EP 0154201 A1 19850911; EP 0154201 B1 19870819; BR 8500702 A 19851008; DE 3406102 A1 19850822; DE 3560489 D1 19870924; JP S60194095 A 19851002; ZA 851217 B 19851030
DOCDB simple family (application)
EP 85101402 A 19850209; BR 8500702 A 19850214; DE 3406102 A 19840221; DE 3560489 T 19850209; JP 3168485 A 19850221; ZA 851217 A 19850218