(19)
(11) EP 1 419 132 A1

(12)

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

(21) Application number: 02756947.4

(22) Date of filing: 01.08.2002
(51) International Patent Classification (IPC)7C07C 68/00, C07C 68/08, C07C 69/96
(86) International application number:
PCT/US2002/024731
(87) International publication number:
WO 2003/016258 (27.02.2003 Gazette 2003/09)
(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: 14.08.2001 US 682284

(71) Applicant: GENERAL ELECTRIC COMPANY
Schenectady, NY 12345 (US)

(72) Inventors:
  • BODEN, Eugene, Pauling
    Scotia, NY 12302 (US)
  • VIC FERNANDEZ, Ignacio
    E-28290 Las Matas, Madrid (ES)

(74) Representative: Szary, Anne C. 
London Patent OperationGeneral Electric International, Inc.15 John Adam Street
London WC2N 6LU
London WC2N 6LU (GB)

   


(54) METHOD FOR PREPARING A DIALKYL CARBONATE, AND ITS USE IN THE PREPARATION OF DIARYL CARBONATES AND POLYCARBONATES