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 0791683 B1 20000105 - Method for the production of cellulose pulp

Title (en)

Method for the production of cellulose pulp

Title (de)

Verfahren zur Herstellung von zellulosischem Zellstoff

Title (fr)

Procédé pour la préparation de pâte à papier

Publication

EP 0791683 B1 20000105 (EN)

Application

EP 97200443 A 19970214

Priority

IT MI960336 A 19960223

Abstract (en)

[origin: EP0791683A1] The use of the annual plant known as Luffa cylindrica in methods for the production of cellulose pulp for use in papermaking is described. <IMAGE>

IPC 1-7

D21C 5/00

IPC 8 full level

D21C 5/00 (2006.01)

CPC (source: EP)

D21C 5/00 (2013.01)

Designated contracting state (EPC)

ES FR GR PT

DOCDB simple family (publication)

EP 0791683 A1 19970827; EP 0791683 B1 20000105; ES 2142651 T3 20000416; GR 3033055 T3 20000831; IT 1282671 B1 19980331; IT MI960336 A0 19960223; IT MI960336 A1 19970823; PT 791683 E 20000630; TR 199700149 A2 19970921

DOCDB simple family (application)

EP 97200443 A 19970214; ES 97200443 T 19970214; GR 20000400743 T 20000324; IT MI960336 A 19960223; PT 97200443 T 19970214; TR 9700149 A 19970221