(19)

(11)

EP 1 141 176 A1

(12)

(43) Date of publication: 10.10.2001 Bulletin 2001/41 (21) Application number: 99973060.9 (22) Date of filing: 01.12.1999

(51) International Patent Classification (IPC)7: C10L 5/14 (86) International application number: PCT/GB9904/011 (87) International publication number: WO 0032/723 (08.06.2000 Gazette 2000/23)

(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: 01.12.1998 GB 9826226 (71) Applicant: BORDEN CHEMICAL UK LIMITED Southampton SO52 9ZB (GB)	(72) Inventor: Murray, Graham Simpson Eastleigh,Hampshire SO50 7LQ (GB) (74) Representative: Purdy, Hugh Barry et al Stevens Hewlett & Perkins1 StAugustine's Place Bristol BS1 4UD Bristol BS1 4UD (GB)