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: 156 511 693 patent documents

This week's update (14/06/2024 12:00 CET):

200 241 new documents added

1 026 356 documents amended

GPI key values

Run regular monitoring (e.g. monthly or quarterly) of technical areas or companies

Use built-in charts to visualise technical trends and patenting activity of companies

Choose the data you want to see and download to focus on what you are interested in

Run data quality assessments to measure the risk of incomplete search results

EP 0505008 A2 19920923 - Photographic silver halide material and process.

Title (en)

Photographic silver halide material and process.

Title (de)

Photographisches Silberhalogenidmaterial und Verfahren.

Title (fr)

Matériau photographique à l'halogénure d'argent et procédé.

Publication

EP 0505008 A2 19920923 (EN)

Application

EP 92200783 A 19920319

Priority

US 67388591 A 19910322

Abstract (en)

A photographic recording material is disclosed which contains a coupler capable of releasing a development inhibitor moiety during photographic processing which reduces interlayer interimage effects.

IPC 1-7

G03C 7/30; G03C 7/305

IPC 8 full level

G03C 7/305 (2006.01); G03C 7/32 (2006.01)

CPC (source: EP)

G03C 7/30541 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0505008 A2 19920923; EP 0505008 A3 19921119; JP H0572685 A 19930326

DOCDB simple family (application)

EP 92200783 A 19920319; JP 6447192 A 19920323