(19)
(11) EP 1 419 139 A1

(12)

(43) Date of publication:
19.05.2004 Bulletin 2004/21

(21) Application number: 02768661.7

(22) Date of filing: 22.08.2002
(51) International Patent Classification (IPC)7C07C 253/00, C07C 255/00, C07C 255/07
(86) International application number:
PCT/US2002/026759
(87) International publication number:
WO 2003/018540 (06.03.2003 Gazette 2003/10)
(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: 22.08.2001 US 314067 P

(71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington,Delaware 19898 (US)

(72) Inventor:
  • MANZER, Leo, E.
    Wilmington, DE 19803 (US)

(74) Representative: Cockerton, Bruce Roger et al
Carpmaels & Ransford,43 Bloomsbury Square
London WC1A 2RA
London WC1A 2RA (GB)

   


(54) SYNTHESIS OF UNSATURATED NITRILES FROM LACTONES