Global Patent Index - EP 1003761 A2

EP 1003761 A2 2000-05-31 - A PROCESS FOR THE PURIFICATION OF ACARBOSE

Title (en)

A PROCESS FOR THE PURIFICATION OF ACARBOSE

Title (de)

VERFAHREN ZUR REINIGUNG VON ACARBOSE, ACARBOSE-ENTHALTENDE PHARMAZEUTISCHE ZUSAMMENSETZUNG UND DEREN VERWENDUNG GEGEN DIABETES

Title (fr)

PROCEDE DE PURIFICATION D'ACARBOSE

Publication

EP 1003761 A2 (EN)

Application

EP 98933857 A

Priority

  • IB 9801188 W
  • IT MI971880 A

Abstract (en)

[origin: WO9907720A2] The present invention discloses a process for the purification of acarbose comprising loading a prepurified acarbose solution on a chromatography column packed with a non-aromatic strong acid cation exchanger which is hydrophilic and has high mass transfer and subsequent elution.

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

C07H 15/00

IPC 8 full level (invention and additional information)

C07H 15/203 (2006.01); A61K 31/7028 (2006.01); A61K 31/7034 (2006.01); A61P 3/10 (2006.01); C07H 15/22 (2006.01)

CPC (invention and additional information)

C07H 15/22 (2013.01)

Citation (search report)

See references of WO 9907720A3

Designated contracting state (EPC)

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

EPO simple patent family

WO 9907720 A2 19990218; WO 9907720 A3 19990415; AU 8354298 A 19990301; EP 1003761 A2 20000531; IT 1293819 B1 19990310; IT MI971880 A1 19990205; JP 2001512738 A 20010828

INPADOC legal status


2003-02-26 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20020815

2002-05-22 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20020404

2000-05-31 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000303

2000-05-31 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

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