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: 157 117 910 patent documents

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

139 301 new documents added

1 340 825 documents amended

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EP 1765767 A1 20070328 - PROCESS FOR THE PREPARATION OF GABAPENTIN

Title (en)

PROCESS FOR THE PREPARATION OF GABAPENTIN

Title (de)

HERSTELLUNGSVERFAHREN FÜR GABAPENTIN

Title (fr)

METHODE SERVANT A PREPARER GABAPENTINE

Publication

EP 1765767 A1 20070328 (EN)

Application

EP 05766090 A 20050704

Priority

EP 2005007202 W 20050704
GB 0415076 A 20040705

Abstract (en)

[origin: WO2006002972A1] The present invention relates to a new process for the preparation of gabapentin by the neutralization of an acid addition salt of gabapentin in an organic solvent or a mixture of organic solvents with a quaternary ammonium hydroxide.

IPC 8 full level

C07C 227/16 (2006.01); C07C 229/28 (2006.01)

CPC (source: EP)

C07C 227/16 (2013.01); C07C 2601/14 (2017.04)

Citation (search report)

See references of WO 2006002972A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 2006002972 A1 20060112; EP 1765767 A1 20070328; GB 0415076 D0 20040804

DOCDB simple family (application)

EP 2005007202 W 20050704; EP 05766090 A 20050704; GB 0415076 A 20040705