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

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EP 1663968 A1 20060607 - PROCESS FOR THE PREPARATION OF PURE LEVETIRACETAM

Title (en)

PROCESS FOR THE PREPARATION OF PURE LEVETIRACETAM

Title (de)

VERFAHREN ZUR HERSTELLUNG VON REINEM LEVETIRACETAM

Title (fr)

PROCEDE DE PREPARATION DE LEVETIRACETAM PUR

Publication

EP 1663968 A1 20060607 (EN)

Application

EP 04769257 A 20040902

Priority

IB 2004002850 W 20040902
IN 1108DE2003 A 20030905

Abstract (en)

[origin: WO2005023763A1] The invention relates to processes for the preparation of pure levetiracetam. The invention also relates to pharmaceutical compositions that include the pure levetiracetam.

IPC 1-7

C07D 207/27; A61K 31/4015; A61P 25/08

IPC 8 full level

A61K 31/4015 (2006.01); A61P 25/08 (2006.01); C07D 207/27 (2006.01); C07D 207/26 (2006.01)

CPC (source: EP)

A61K 31/4015 (2013.01); A61P 25/08 (2017.12); C07D 207/27 (2013.01)

Citation (search report)

See references of WO 2005023763A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005023763 A1 20050317; EP 1663968 A1 20060607

DOCDB simple family (application)

IB 2004002850 W 20040902; EP 04769257 A 20040902