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: 159 823 134 patent documents

This week's update (15/11/2024 12:00 CET):

143 307 new documents added

1 003 170 documents amended

GPI key values

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

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EP 1404644 A2 20040407 - NOVEL HYDRAZONES

Title (en)

NOVEL HYDRAZONES

Title (de)

NEUE HYDRAZONE

Title (fr)

NOUVELLES HYDRAZONES

Publication

EP 1404644 A2 20040407 (EN)

Application

EP 02722025 A 20020118

Priority

EP 02722025 A 20020118
EP 0200474 W 20020118
EP 0100636 W 20010122

IPC 1-7

C07C 251/86; A61K 31/15; A61P 31/04; C07D 207/325

IPC 8 full level

A61K 31/15 (2006.01); A61P 31/04 (2006.01); C07C 251/86 (2006.01); C07D 207/325 (2006.01)

CPC (source: EP)

Y02A 50/30 (2017.12)

Citation (search report)

See references of WO 02070464A2

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 1404644 A2 20040407

DOCDB simple family (application)

EP 02722025 A 20020118