(19)

(11)

EP 1 123 327 A1

(12)

(43) Date of publication: 16.08.2001 Bulletin 2001/33 (21) Application number: 99947759.9 (22) Date of filing: 05.10.1999

(51) International Patent Classification (IPC)7: C08F 212/08, C08F 246/00, G01N 33/58, G01N 33/545 (86) International application number: PCT/GB9903/296 (87) International publication number: WO 0020/475 (13.04.2000 Gazette 2000/15)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 05.10.1998 GB 9821662 (71) Applicant: The Nottingham Trent University Nottingham NG1 4BU (GB)	(72) Inventors: SUTHERLAND, Andrew, James Kidderminster DY10 1XB (GB) CLAPHAM, Bruce The MeadowsNottingham NG2 2JL (GB) (74) Representative: Wakerley, Helen Rachael  Reddie & Grose,16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)