(19)

(11)

EP 1 301 257 A2

(12)

(88) Date of publication A3: 07.11.2002 (43) Date of publication: 16.04.2003 Bulletin 2003/16 (21) Application number: 01967127.0 (22) Date of filing: 05.07.2001

(51) International Patent Classification (IPC)7: B01D 1/00 (86) International application number: PCT/EP0107/719 (87) International publication number: WO 0200/5919 (24.01.2002 Gazette 2002/04)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 17.07.2000 IT MI001616 (71) Applicant: Sogefi Filtration S.p.a. 46100 Mantova (IT)	(72) Inventors: BARACCHI, Paolo I-10155 Torino (IT) BECCARI, Bruno I-46100 Mantova (IT) CROVETTI, Claudio I-46100 Mantova (IT) TALLANO, Sergio I-46047 Porto Mantovano (IT) (74) Representative: Modiano, Guido, Dr.-Ing. et al Modiano & Associati SpAVia Meravigli, 16 20123 Milano 20123 Milano (IT)