EP 0082452 B1 19850911 - PROCESS FOR THE ELECTROCHEMICAL GRAINING OF ALUMINIUM WITH THREE-PHASE ALTERNATING CURRENT AND ITS USE IN THE MANUFACTURE OF PRINTING PLATENS
Title (en)
PROCESS FOR THE ELECTROCHEMICAL GRAINING OF ALUMINIUM WITH THREE-PHASE ALTERNATING CURRENT AND ITS USE IN THE MANUFACTURE OF PRINTING PLATENS
Publication
Application
Priority
US 33239281 A 19811221
Abstract (en)
[origin: US4396468A] A method for the production of aluminum substrates useful in the production of lithographic printing plates which comprises simultaneously electrochemically graining both sides of an aluminum sheet in an electrolyte employing three phase alternating current.
IPC 1-7
IPC 8 full level
B41N 3/00 (2006.01); B41N 3/03 (2006.01); C25F 3/04 (2006.01)
CPC (source: EP US)
B41N 3/034 (2013.01 - EP US); C25F 3/04 (2013.01 - EP US); Y10S 205/921 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
EP 0082452 A1 19830629; EP 0082452 B1 19850911; DE 3266243 D1 19851017; JP H0525960 B2 19930414; JP S58157997 A 19830920; US 4396468 A 19830802
DOCDB simple family (application)
EP 82111543 A 19821213; DE 3266243 T 19821213; JP 22041182 A 19821217; US 33239281 A 19811221