(19)

(11)

EP 1 124 476 A1

(12)

(43) Date of publication: 22.08.2001 Bulletin 2001/34 (21) Application number: 99949112.9 (22) Date of filing: 07.10.1999

(51) International Patent Classification (IPC)7: A47L 9/16 (86) International application number: PCT/GB9903/120 (87) International publication number: WO 0021/428 (20.04.2000 Gazette 2000/16)

(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: 08.10.1998 GB 9821901 23.12.1998 GB 9828404 25.05.1999 GB 9912096 25.05.1999 GB 9912095 (71) Applicant: CAMBRIDGE CONSULTANTS LIMITED Cambridge CB4 0DW (GB)	(72) Inventors: WEBSTER, Craig HistonCambridge CB4 9XL (GB) SARKER, Matthew, N. Cambridge CB4 3JU (GB) (74) Representative: Stagg, Diana Christine et al Lewis & Taylor,144 New Walk Leicester LE1 7JA Leicester LE1 7JA (GB)