(19)

(11)

EP 1 069 956 A1

(12)

(43) Date of publication: 24.01.2001 Bulletin 2001/04 (21) Application number: 00900739.4 (22) Date of filing: 21.01.2000

(51) International Patent Classification (IPC)7: B04B 5/04, B04B 15/08, B04B 7/02, B01D 1/22, B01D 1/14, B01L 3/14 (86) International application number: PCT/GB0000/172 (87) International publication number: WO 0047/327 (17.08.2000 Gazette 2000/33)

(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: 09.02.1999 GB 9902748 21.07.1999 GB 9916987 20.12.1999 GB 9929898 (71) Applicant: Genevac Limited Ipswich,Suffolk IP1 5AP (GB)	(72) Inventor: COLE, MICHAEL FRISTONSAXMUNDHAM IP17 1NH (GB) (74) Representative: Nash, Keith Wilfrid et al KEITH W. NASH & Co.,90-92 Regent Street Cambridge CB2 1DP Cambridge CB2 1DP (GB)