(19)

(11)

EP 2 956 224 A1

(12)

(43) Date of publication: 23.12.2015 Bulletin 2015/52 (21) Application number: 14704352.5 (22) Date of filing: 14.02.2014

(51) International Patent Classification (IPC):  B01D 29/11(2006.01) B01D 29/66(2006.01) B01D 29/52(2006.01) (86) International application number: PCT/EP2014/052874 (87) International publication number: WO 2014/125056 (21.08.2014 Gazette 2014/34)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 14.02.2013 SE 1300114 (71) Applicants: Rönnberg, Lars 226 55 Lund (SE) Andersson, Göran 226 55 Lund (SE)	(72) Inventors: Rönnberg, Lars 226 55 Lund (SE) Andersson, Göran 226 55 Lund (SE) (74) Representative: Ström & Gulliksson AB  P.O. Box 4188 203 13 Malmö 203 13 Malmö (SE)