Global Patent Index - EP 0977835 A1

EP 0977835 A1 2000-02-09 - USE OF A ZWITTERIONIC DETERGENT/SURFACTANT FOR PURIFYING GLUTAMIC ACID DECARBOXYLASE (GAD) AND A COMPOSITION CONTAINING GAD

Title (en)

USE OF A ZWITTERIONIC DETERGENT/SURFACTANT FOR PURIFYING GLUTAMIC ACID DECARBOXYLASE (GAD) AND A COMPOSITION CONTAINING GAD

Title (de)

VERWENDUNG EINES ZWITTERIONISCHEN REINIGUNGSMITTELS/TENSIDES ZUR AUFREINIGUNG VON GLUTAMINSAEURE-DECARBOXYLASE (GAD) UND GAD ENTHALTENDE ZUSAMMENSETZUNG

Title (fr)

UTILISATION DE DETERGENT/TENSIOACTIOF ZWITTERIONIQUE POUR PURIFIER L'ACIDE GLUTAMIQUE DECARBOXYLASE (GAD) ET COMPOSITION CONTENANT CETTE ENZYME GAD

Publication

EP 0977835 A1 (EN)

Application

EP 98920768 A

Priority

  • SE 9800723 W
  • SE 9701564 A
  • SE 9800256 A
  • SE 9800735 A

Abstract (en)

[origin: WO9849279A1] The extraction and purification of glutamic acid decarboxylase is improved by using buffer solutions containing zwitterionic detergents/surfactants preferably according to the following chemical formula: CyH2y+1 - N<+>(CH3)2 - CxH2x - SO3<-> wherein x is an integer from 1 to 5 and y is an integer from 2 to 20.

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

C12N 9/88

IPC 8 full level (invention and additional information)

C12N 9/88 (2006.01); A61K 38/00 (2006.01)

CPC (invention and additional information)

C12N 9/88 (2013.01); C12Y 401/01015 (2013.01); A61K 38/00 (2013.01)

Citation (search report)

See references of WO 9849279A1

Designated contracting state (EPC)

CH DE DK FI FR GB IT LI NL SE

EPO simple patent family

WO 9849279 A1 19981105; AU 7353298 A 19981124; EP 0977835 A1 20000209

INPADOC legal status


2002-05-15 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20011101

2000-02-09 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19991025

2000-02-09 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): CH DE DK FI FR GB IT LI NL SE