(19)
(11) EP 1 470 099 A1

(12)

(43) Date of publication:
27.10.2004 Bulletin 2004/44

(21) Application number: 02797276.9

(22) Date of filing: 11.12.2002
(51) International Patent Classification (IPC)7C07C 59/08
(86) International application number:
PCT/US2002/039620
(87) International publication number:
WO 2003/059863 (24.07.2003 Gazette 2003/30)
(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 SI SK TR
Designated Extension States:
AL LT LV MK RO

(30) Priority: 03.01.2002 US 37664
15.11.2002 US 295970

(71) Applicant: A.E. STALEY MANUFACTURING COMPANY
DecaturIllinois 62525 (US)

(72) Inventors:
  • COCKREM, Michael, Charles, Milner
    Madison, WI 53705 (US)
  • KOVACS, Istvan
    Madison, WI 53717 (US)
  • MOHAMEDNUR, Idris
    Madison, WI 53717 (US)
  • HEIDEL, David
    Decatur, IL 62526 (US)
  • BANIEL, Avraham, M.
    91080 Jerusalem (IL)

(74) Representative: Campbell, Neil Boyd 
Frank B. Dehn & Co.,179 Queen Victoria Street
London EC4V 4EL
London EC4V 4EL (GB)

   


(54) PROCESS FOR PURIYING AN ORGANIC ACID