GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 157 337 350 patent documents

This week's update (19/07/2024 12:00 CET):

219 431 new documents added

1 247 852 documents amended

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EP 0089510 B1 19860129 - ALUMINIUM MATERIAL WITH A HYDROPHILIC SURFACE LAYER, METHOD FOR ITS PRODUCTION AND ITS USE AS A BASE FOR OFFSET PRINTING PLATES

Title (en)

ALUMINIUM MATERIAL WITH A HYDROPHILIC SURFACE LAYER, METHOD FOR ITS PRODUCTION AND ITS USE AS A BASE FOR OFFSET PRINTING PLATES

Publication

EP 0089510 B1 19860129 (DE)

Application

EP 83101813 A 19830224

Priority

US 35945582 A 19820318

Abstract (en)

[origin: US4376814A] An aluminum substrate is electrochemically or thermally deposited with a ceramic surface coating comprising an organic acid, such as polyvinyl phosphonic acid, and an alkaline earth silicate or borate.

IPC 1-7

B41N 1/08; C25D 11/04

IPC 8 full level

C23C 22/66 (2006.01); B41N 1/08 (2006.01); B41N 3/03 (2006.01)

CPC (source: EP US)

B41N 3/038 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

US 4376814 A 19830315; CA 1196840 A 19851119; DE 3361946 D1 19860313; EP 0089510 A1 19830928; EP 0089510 B1 19860129; JP S58171574 A 19831008

DOCDB simple family (application)

US 35945582 A 19820318; CA 422364 A 19830225; DE 3361946 T 19830224; EP 83101813 A 19830224; JP 4330683 A 19830317