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: 159 679 824 patent documents

This week's update (08/11/2024 12:00 CET):

164 112 new documents added

576 445 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 0224976 B1 19891018 - METHOD OF SIZING PAPER

Title (en)

METHOD OF SIZING PAPER

Publication

EP 0224976 B1 19891018 (EN)

Application

EP 86303446 A 19860507

Priority

EP 87304389 A 19870518
JP 27024885 A 19851129

Abstract (en)

[origin: EP0224976A1] A sizing agent is provided which has at least a self-emulsifiable property, which is stable for long period of time as well being effective in low concentrations.

IPC 1-7

D21H 3/08; C07C 69/593

IPC 8 full level

C07C 69/527 (2006.01); D21H 17/00 (2006.01); D21H 17/16 (2006.01)

CPC (source: EP)

D21H 17/00 (2013.01); D21H 17/16 (2013.01)

Designated contracting state (EPC)

DE FR GB SE

DOCDB simple family (publication)

EP 0224976 A1 19870610; EP 0224976 B1 19891018

DOCDB simple family (application)

EP 86303446 A 19860507