(19)
(11) EP 1 649 033 A1

(12)

(43) Date of publication:
26.04.2006 Bulletin 2006/17

(21) Application number: 04763525.5

(22) Date of filing: 27.07.2004
(51) International Patent Classification (IPC): 
C12P 13/08(1980.01)
C12P 13/08(1980.01)
 C12R 1/19(1985.01)
C12R 1/19(1985.01)
(86) International application number:
PCT/EP2004/008390
(87) International publication number:
WO 2005/014842 (17.02.2005 Gazette 2005/07)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

(30) Priority: 01.08.2003 DE 10335253
04.08.2003 US 491981 P
11.05.2004 DE 102004023055
15.06.2004 DE 102004028859

(71) Applicant: Degussa AG
40474 Düsseldorf (DE)

(72) Inventors:
  • KRUSE, Daniela
    33602 Bielefeld (DE)
  • HERMANN, Thomas
    33739 Bielefeld (DE)
  • THIERBACH, Georg
    33613 Bielefeld (DE)
  • RIEPING, Mechthild
    33619 Bielefeld (DE)

   


(54) PROCESS FOR THE PREPARATION OF L-THREONINE