(19)
(11) EP 1 446 492 A2

(12)

(88) Date of publication A3:
18.12.2003

(43) Date of publication:
18.08.2004 Bulletin 2004/34

(21) Application number: 02783830.9

(22) Date of filing: 22.11.2002
(51) International Patent Classification (IPC)7C12P 13/04, C12P 13/06, C12P 13/12, C12P 41/00
(86) International application number:
PCT/NL2002/000758
(87) International publication number:
WO 2003/044206 (30.05.2003 Gazette 2003/22)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 23.11.2001 NL 1019416

(71) Applicant: DSM IP Assets B.V.
6411 TE Heerlen (NL)

(72) Inventors:
  • KIERKELS, Joannes, Gerardus, Theodorus
    NL-6133 BH Sittard (NL)
  • BOESTEN, Wilhelmus, Hubertus, Joseph
    NL-6132 BJ Sittard (NL)

(74) Representative: Hermans, Edith E.H. 
DSM Intellectual PropertyOffice GeleenP.O. Box 9
6160 MA Geleen
6160 MA Geleen (NL)

   


(54) PROCESS FOR THE PREPARATION OF AN ENANTIOMERICALLY ENRICHED A-AMINO ACID