EP 0194428 A3 19861203 - PROCESS FOR THE ELECTROCHEMICAL GRAINING OF ALUMINIUM FOR PRINTING PLATE SUBSTRATES
Title (en)
PROCESS FOR THE ELECTROCHEMICAL GRAINING OF ALUMINIUM FOR PRINTING PLATE SUBSTRATES
Publication
Application
Priority
DE 3503926 A 19850206
Abstract (en)
[origin: US4661219A] Disclosed is a process for the electrochemical roughening of aluminum or aluminum alloys useful for printing plate supports, in which a nitric acid electrolyte is employed. The nitric acid electrolyte includes at least one compound containing ammonium ions. Also disclosed is a printing plate support, roughened by the above process which possesses a particularly uniform graining structure.
IPC 1-7
IPC 8 full level
B41C 1/10 (2006.01); B41N 1/08 (2006.01); B41N 1/10 (2006.01); 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); Y10T 428/12993 (2015.01 - EP US)
Citation (search report)
- [XD] DE 3030815 A1 19810326 - FUJI PHOTO FILM CO LTD [JP]
- [XP] EP 0149833 A2 19850731 - HOECHST AG [DE]
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
DE 3503926 A1 19860807; CA 1275068 A 19901009; DE 3671255 D1 19900621; EP 0194428 A2 19860917; EP 0194428 A3 19861203; EP 0194428 B1 19900516; JP H0714674 B2 19950222; JP S61182950 A 19860815; US 4661219 A 19870428
DOCDB simple family (application)
DE 3503926 A 19850206; CA 501184 A 19860205; DE 3671255 T 19860125; EP 86101023 A 19860125; JP 2307686 A 19860206; US 82593086 A 19860204