Global Patent Index - EP 1095010 A1

EP 1095010 A1 2001-05-02 - PROCESS FOR THE PREPARATION OF GABAPENTIN

Title (en)

PROCESS FOR THE PREPARATION OF GABAPENTIN

Title (de)

VERFAHREN ZUR HERSTELLUNG VON GABAPENTIN

Title (fr)

PROCEDE DE PREPARATION DE GABAPENTINE

Publication

EP 1095010 A1 (EN)

Application

EP 99931121 A

Priority

  • EP 9904289 W
  • IT MI981535 A

Abstract (en)

[origin: WO0001660A1] A process for the preparation of pure gabapentin in anhydrous form by treating an aqueous suspension of gabapentin with 2-methoxyethanol or 2-ethoxyethanol and crystallising with an alcoholic solvent is described.

IPC 1-7 (main, further and additional classification)

C07C 227/40; C07C 229/28

IPC 8 full level (invention and additional information)

C07C 227/40 (2006.01); C07C 229/28 (2006.01)

CPC (invention and additional information)

C07C 227/40 (2013.01); C07C 2601/14 (2017.05)

Combination set (CPC)

C07C 227/40 + C07C 229/28

Citation (search report)

See references of WO 0001660A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB IE IT LI NL PT SE

EPO simple patent family

WO 0001660 A1 20000113; EP 1095010 A1 20010502; IT MI981535 A1 20000103

INPADOC legal status


2005-08-03 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20050104

2003-10-22 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030908

2001-05-02 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010110

2001-05-02 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH DE DK ES FI FR GB IE IT LI NL PT SE

2001-05-02 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: SI PAYMENT 20010110