(19)
(11) EP 1 501 818 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
01.02.2006 Bulletin 2006/05

(45) Mention of the grant of the patent:
30.11.2005 Bulletin 2005/48

(21) Application number: 03718413.2

(22) Date of filing: 16.04.2003
(51) International Patent Classification (IPC): 
C07D 317/36(1985.01)
C07D 317/38(1985.01)
(86) International application number:
PCT/US2003/011664
(87) International publication number:
WO 2003/095443 (20.11.2003 Gazette 2003/47)

(54)

ALKYLENE CARBONATE PURIFICATION METHOD

METHODE ZUR REINIGUNG VON ALKYLEN CARBONATEN

PROCEDE DE PURIFICATION DE CARBONATE D'ALCOYLENE


(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 PT RO SE SI SK TR

(30) Priority: 08.05.2002 US 141617

(43) Date of publication of application:
02.02.2005 Bulletin 2005/05

(73) Proprietor: Lyondell Chemical Technology, L.P.
Greenville, DE 19807 (US)

(72) Inventor:
  • KAHN, Andrew, P.
    Eagleville, PA 19403 (US)

(74) Representative: De Hoop, Eric 
Octrooibureau Vriesendorp & Gaade B.V. P.O. Box 266
2501 AW Den Haag
2501 AW Den Haag (NL)


(56) References cited: : 
WO-A-01/66510
US-A- 5 405 977
US-A- 4 891 421
   
     
    Remarks:
    The file contains technical information submitted after the application was filed and not included in this specification
     
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).