(19)

(11)

EP 1 218 084 A1

(12)

(43) Date of publication: 03.07.2002 Bulletin 2002/27 (21) Application number: 00960862.1 (22) Date of filing: 20.09.2000

(51) International Patent Classification (IPC)7: B01D 29/21, B01D 35/153, B01D 35/16 (86) International application number: PCT/GB0003/607 (87) International publication number: WO 0123/068 (05.04.2001 Gazette 2001/14)

(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: 29.09.1999 GB 9923064 (71) Applicant: SOGEFI FILTRATION LIMITED PontyclunMid Glamorgan CF7 8YU (GB)	(72) Inventor: MULES, Robert, Stephen Talbot GreenMid Glamorgan CF7 8JF (GB) (74) Representative: Merryweather, Colin Henry  J.A. Kemp & Co.14 South SquareGray's Inn London WC1R 5JJ London WC1R 5JJ (GB)