(19)

(11)

EP 1 131 215 A1

(12)

(43) Date of publication: 12.09.2001 Bulletin 2001/37 (21) Application number: 99957377.7 (22) Date of filing: 22.11.1999

(51) International Patent Classification (IPC)7: B60C 7/10, B60C 7/12, C08L 23/08 (86) International application number: PCT/GB9903/886 (87) International publication number: WO 0030/873 (02.06.2000 Gazette 2000/22)

(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: 21.11.1998 GB 9825492 17.06.1999 GB 9914197 (71) Applicants: Kennedy, John Alexander Glasgow G76 0PL (GB) Brady, William Arthur Nottingham NG9 3LG (GB)	(72) Inventors: Kennedy, John Alexander Glasgow G76 0PL (GB) Brady, William Arthur Nottingham NG9 3LG (GB) (74) Representative: Shanks, Andrew  Cruikshank & Fairweather,19 Royal Exchange Square Glasgow G1 3AE Glasgow G1 3AE (GB)