(19)

(11)

EP 1 150 937 A1

(12)

(43) Date of publication: 07.11.2001 Bulletin 2001/45 (21) Application number: 99962342.4 (22) Date of filing: 17.12.1999

(51) International Patent Classification (IPC)7: C07C 43/225, C07D 295/096, C07D 319/06, C07C 22/08, C07C 22/00, C07C 69/52, C09K 19/32, C09K 19/30, C09K 19/12, C09K 19/34, C09K 19/18, C09K 19/04, C09K 19/42 (86) International application number: PCT/GB9904/292 (87) International publication number: WO 0039/062 (06.07.2000 Gazette 2000/27)

(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: 24.12.1998 GB 9828427 (71) Applicant: QinetiQ Limited London, SW1 6TD (GB)	(72) Inventors: KELLY, Stephen Malcolm Hull HU6 7RX (GB) SKELTON, Graham William Hull HU6 7RX (GB)