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

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 1326924 A1 20030716 - YELLOW INKJET INK

Title (en)

YELLOW INKJET INK

Title (de)

GELBE INKJET-TINTE

Title (fr)

ENCRE INKJET JAUNE

Publication

EP 1326924 A1 20030716 (DE)

Application

EP 01982407 A 20011009

Priority

DE 10050389 A 20001012
EP 0111612 W 20011009

Abstract (en)

[origin: WO0231055A1] The invention relates to inkjet ink, which when printed exhibits a clear, yellow colour, corresponding to azomethine dyes and whose lightfastness and dark stability corresponds to the level of phthalocyanines. Said yellow dye is obtained by using a salt of a quinophthalone of formula (I) as yellow dye wherein X represents COOH or SO3H.

IPC 1-7

C09B 25/00; C09B 67/26; C09D 11/00

IPC 8 full level

C09B 25/00 (2006.01); C09D 11/328 (2014.01)

CPC (source: EP)

C09B 25/00 (2013.01); C09D 11/328 (2013.01)

Citation (search report)

See references of WO 0231055A1

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

WO 0231055 A1 20020418; AU 1400102 A 20020422; DE 10050389 A1 20020425; EP 1326924 A1 20030716

DOCDB simple family (application)

EP 0111612 W 20011009; AU 1400102 A 20011009; DE 10050389 A 20001012; EP 01982407 A 20011009