(19)

(11)

EP 1 055 027 A1

(12)

(43) Date of publication: 29.11.2000 Bulletin 2000/48 (21) Application number: 99905017.2 (22) Date of filing: 11.02.1999

(51) International Patent Classification (IPC)7: D06N 3/14, D06N 3/12, D06N 3/04 (86) International application number: PCT/GB9900/429 (87) International publication number: WO 9941/447 (19.08.1999 Gazette 1999/33)

(84) Designated Contracting States: DE FI FR GB IT NL SE (30) Priority: 14.02.1998 GB 9803172 (71) Applicant: SCAPA GROUP PLC Blackburn,Lancashire BB2 6AY (GB)	(72) Inventor: LYDON, Richard, Patrick Chester CH4 7BP (GB) (74) Representative: Middlemist, Ian Alastair et al Wilson Gunn M'Caw,41-51 Royal Exchange,Cross Street Manchester, M2 7BD Manchester, M2 7BD (GB)