Global Patent Index - EP 1235636 A1

EP 1235636 A1 2002-09-04 - METHOD FOR PURIFICATION OF AMINO ACID CONTAINING SOLUTIONS BY ELECTRODIALYSIS

Title (en)

METHOD FOR PURIFICATION OF AMINO ACID CONTAINING SOLUTIONS BY ELECTRODIALYSIS

Title (de)

VERFAHREN ZUR AUFREINIGUNG VON AMINOSÄURE-HALTIGEN LÖSUNGEN DURCH ELEKTRODIALYSE

Title (fr)

PROCEDE D'EPURATION DE SOLUTIONS CONTENANT DES ACIDES AMINES PAR ELECTRODIALYSE

Publication

EP 1235636 A1 (DE)

Application

EP 00977477 A

Priority

  • DE 19952961 A
  • EP 0010852 W

Abstract (en)

[origin: DE19952961A1] The invention relates to a method for the purification of amino acid containing solutions by means of electrodialysis, whereby an amino acid containing solution from the fermentative production of at least one amino acid is used.

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

B01D 61/44; C12P 13/04

IPC 8 full level (invention and additional information)

C01D 1/44 (2006.01); B01D 61/44 (2006.01); C12P 13/04 (2006.01); C12P 13/08 (2006.01)

CPC (invention and additional information)

C12P 13/08 (2013.01); B01D 61/44 (2013.01); B01D 61/445 (2013.01); C12P 13/04 (2013.01)

Citation (search report)

See references of WO 0132298A1

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

DE 19952961 A1 20010510; AU 1517901 A 20010514; BR 0015202 A 20020723; CN 1387458 A 20021225; EP 1235636 A1 20020904; JP 2003512853 A 20030408; KR 20020059673 A 20020713; RU 2002114827 A 20040410; US 6551803 B1 20030422; WO 0132298 A1 20010510

INPADOC legal status


2005-05-25 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20041112

2003-01-08 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20021121

2002-09-04 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020524

2002-09-04 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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

2002-09-04 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI