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: 157 337 350 patent documents

This week's update (19/07/2024 12:00 CET):

219 431 new documents added

1 247 852 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 1121368 A1 20010808 - METALLOCENES WITH A RIGID BRIDGE

Title (en)

METALLOCENES WITH A RIGID BRIDGE

Title (de)

METALLOCENE MIT STARRER BRÜCKE

Title (fr)

METALLOCENES A PONTS RIGIDES

Publication

EP 1121368 A1 20010808 (DE)

Application

EP 99947464 A 19991005

Priority

DE 19847320 A 19981014
DE 19847319 A 19981014
EP 9907381 W 19991005

Abstract (en)

[origin: WO0021972A1] The invention relates to metallocenes with a rigid bridge, to a method for producing them, and to their use as catalyst components for producing polyolefins.

IPC 1-7

C07F 17/00; C08F 10/00

IPC 8 full level

C07F 17/00 (2006.01); C08F 4/44 (2006.01); C08F 4/64 (2006.01); C08F 4/6592 (2006.01); C08F 10/00 (2006.01)

CPC (source: EP)

C07F 17/00 (2013.01); C08F 10/00 (2013.01); C08F 110/06 (2013.01); C08F 2420/10 (2021.01); C08F 2420/11 (2021.01); C08F 2420/12 (2021.01)

Citation (search report)

See references of WO 0021972A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 0021972 A1 20000420; EP 1121368 A1 20010808; JP 2002527446 A 20020827

DOCDB simple family (application)

EP 9907381 W 19991005; EP 99947464 A 19991005; JP 2000575878 A 19991005