Global Patent Index - EP 0082454 B1

EP 0082454 B1 19880504 - PROCESS FOR THE ANODIC TREATMENT OF ALUMINIUM AND ITS APPLICATION AS A SUPPORT FOR PRINTING PLATES

Title (en)

PROCESS FOR THE ANODIC TREATMENT OF ALUMINIUM AND ITS APPLICATION AS A SUPPORT FOR PRINTING PLATES

Publication

EP 0082454 B1 19880504 (DE)

Application

EP 82111545 A 19821213

Priority

US 33358681 A 19811223

Abstract (en)

[origin: US4388156A] The invention is directed to the electrochemical treatment of aluminum substrates in a non-aqueous solution of a polybasic organic acid to provide a surface complex which promotes the adhesion of subsequently applied coatings to said surface.

IPC 1-7

C25D 11/00; C25D 11/10; B41N 1/08

IPC 8 full level

B41N 3/03 (2006.01); C25D 9/02 (2006.01); C25D 11/00 (2006.01); C25D 11/10 (2006.01)

CPC (source: EP US)

B41N 3/034 (2013.01 - EP US); C25D 9/02 (2013.01 - EP US); C25D 11/00 (2013.01 - EP US); C25D 11/10 (2013.01 - EP US)

Citation (examination)

Chemical Abstracts, Band 87, Nr. 4, 25. Juli 1977, Seite 530, Nr. 30973h, Columbus, Ohio, USA

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0082454 A1 19830629; EP 0082454 B1 19880504; DE 3278428 D1 19880609; JP S58110692 A 19830701; US 4388156 A 19830614

DOCDB simple family (application)

EP 82111545 A 19821213; DE 3278428 T 19821213; JP 21934882 A 19821216; US 33358681 A 19811223