(19)
(11) EP 1 023 256 A1

(12)

(43) Date of publication:
02.08.2000 Bulletin 2000/31

(21) Application number: 98946605.7

(22) Date of filing: 12.10.1998
(51) International Patent Classification (IPC)7C07C 45/46, C07C 45/82
(86) International application number:
PCT/GB9803/042
(87) International publication number:
WO 9919/288 (22.04.1999 Gazette 1999/16)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 13.10.1997 EP 97308107

(71) Applicant: QUEST INTERNATIONAL B.V.
1411 GP Naarden (NL)

(72) Inventors:
  • DAVEY, Paul, Nicholas
    Ashford TN24 0LT (GB)
  • NEWMAN, Christopher, Paul
    Canterbury,Kent CT1 3NT (GB)
  • SEDDON, Kenneth, Richard
    Donaghadee,County Down BT21 0LA (GB)
  • EARLE, Martyn, John
    Belfast BT10 0EU (GB)

(74) Representative: Matthews, Heather Clare et al
Keith W Nash & CoPearl Assurance House90-92 Regent Street
Cambridge CB2 1DP
Cambridge CB2 1DP (GB)

   


(54) IMPROVEMENTS IN OR RELATING TO FRIEDEL-CRAFTS REACTIONS