EP 0007233 B1 19820428 - A METHOD OF TREATING ALUMINIUM FOIL OR A LITHOGRAPHIC PRINTING PLATE SUPPORT AND PRODUCTS SO OBTAINED
Title (en)
A METHOD OF TREATING ALUMINIUM FOIL OR A LITHOGRAPHIC PRINTING PLATE SUPPORT AND PRODUCTS SO OBTAINED
Publication
Application
Priority
GB 7829705 A 19780713
Abstract (en)
[origin: EP0007233A1] Aluminium (1) is immersed in a bath (2) containing phosphate ions before anodising in a bath (3) containing sulphate ions. When the substrate is aluminium foil in web form, preferably the phosphate bath serves as a liquid junction cell by which the anodising current is introduced into the web. Aluminium foil or sheet so processed is especially suitable as a base for a presensitised lithographic printing plate.
IPC 1-7
IPC 8 full level
B41N 3/00 (2006.01); B41N 3/03 (2006.01); C25D 11/16 (2006.01); C25F 3/04 (2006.01)
CPC (source: EP)
B41N 3/034 (2013.01); C25D 11/16 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LU NL SE
DOCDB simple family (publication)
EP 0007233 A1 19800123; EP 0007233 B1 19820428; AT E926 T1 19820515; DE 2962623 D1 19820609
DOCDB simple family (application)
EP 79301377 A 19790712; AT 79301377 T 19790712; DE 2962623 T 19790712