(19)

(11)

EP 1 019 345 A1

(12)

(43) Date of publication: 19.07.2000 Bulletin 2000/29 (21) Application number: 97902255.5 (22) Date of filing: 23.01.1997

(51) International Patent Classification (IPC)7: C07C 11/22, C07C 5/23, C07C 69/54 (86) International application number: PCT/EP9700/388 (87) International publication number: WO 9727/160 (31.07.1997 Gazette 1997/33)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 24.01.1996 EP 96200166 (71) Applicant: IMPERIAL CHEMICAL INDUSTRIES PLC London SW1P 3JF (GB)	(72) Inventors: DE BLANK, Peter, Bastiaan NL-1031 CM Amsterdam (NL) DRENT, Eit NL-1031 CM Amsterdam (NL) VAN DER EIJK, Johan, Meindert NL-1031 CM Amsterdam (NL) HOVING, Johan, Mettinus NL-1031 CM Amsterdam (NL) SIMONS, Theodoor, Johan, Leonard, Wenceslaus NL-2596 HR The Hague (NL) (74) Representative: Walsh, David Patrick et al Appleyard Lees,15 Clare Road Halifax HX1 2HY Halifax HX1 2HY (GB)