(19)

(11)

EP 2 066 420 A2

(12)

(88) Date of publication A3: 20.03.2008 (43) Date of publication: 10.06.2009 Bulletin 2009/24 (21) Application number: 07805764.3 (22) Date of filing: 06.08.2007

(51) International Patent Classification (IPC):  B01D 17/04(2006.01) B01D 17/02(2006.01) (86) International application number: PCT/IT2007/000571 (87) International publication number: WO 2008/018108 (14.02.2008 Gazette 2008/07)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 07.08.2006 IT BA20060051 (71) Applicant: Sanseverino, Michele 70100 Bari (IT)	(72) Inventor: Sanseverino, Michele 70100 Bari (IT) (74) Representative: Bruni, Giovanni  Laforgia, Bruni & Partners Corso Duca degli Abruzzi, 78 10129 Torino 10129 Torino (IT)