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: 155 519 367 patent documents

This week's update (03/05/2024 12:00 CET):

123 361 new documents added

1 354 331 documents amended

GPI key values

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EP 0789858 A1 19970820 - ELECTROCHROMIC DEVICES AND METHODS OF PREPARATION

Title (en)

ELECTROCHROMIC DEVICES AND METHODS OF PREPARATION

Title (de)

ELEKTROCHROME VORRICHTUNGEN UND VERFAHREN ZU IHRER HERSTELLUNG

Title (fr)

DISPOSITIFS ELECTROCHROMIQUES ET PROCEDE DE PREPARATION DESDITS DISPOSITIFS

Publication

EP 0789858 A1 19970820 (EN)

Application

EP 95940538 A 19951025

Priority

US 9513676 W 19951025
US 32950294 A 19941026
US 33009094 A 19941026
US 54757895 A 19951024

IPC 1-7

G02F 1/15; G02F 1/153

IPC 8 full level

G02F 1/15 (2006.01); G02F 1/153 (2006.01)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

EP 0789858 A1 19970820; EP 0789858 A4 19990324

DOCDB simple family (application)

EP 95940538 A 19951025