(19)

(11)

EP 2 125 155 A1

(12)

(43) Date of publication: 02.12.2009 Bulletin 2009/49 (21) Application number: 07709456.3 (22) Date of filing: 05.02.2007

(51) International Patent Classification (IPC):  B01D 46/24(2006.01) F24F 13/28(2006.01) B01D 46/00(2006.01) F24F 3/16(2006.01) (86) International application number: PCT/SE2007/050063 (87) International publication number: WO 2008/097143 (14.08.2008 Gazette 2008/33)

(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 NL PL PT RO SE SI SK TR (71) Applicant: CAMFIL AB 619 33 Trosa (SE)	(72) Inventor: LANCIEUX, Cédric F-60280 Margny-les-Compiegne (FR) (74) Representative: Hyltner, Jan-Olof  Albihns AB P.O. Box 5581 114 85 Stockholm 114 85 Stockholm (SE)