(19)

(11)

EP 2 344 424 A1

(12)

(43) Date of publication: 20.07.2011 Bulletin 2011/29 (21) Application number: 09770490.2 (22) Date of filing: 24.06.2009

(51) International Patent Classification (IPC):  C02F 1/62(2006.01) C02F 1/72(2006.01) C02F 1/52(2006.01) (86) International application number: PCT/SE2009/050799 (87) International publication number: WO 2009/157865 (30.12.2009 Gazette 2009/53)

(84) Designated Contracting States: 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 SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 24.06.2008 SE 0801489 (71) Applicant: Tilek AB Gräddö 760 15 (SE)	(72) Inventor: LINDQUIST, Björn S-ENKÖPING 74563 (SE) (74) Representative: Carlsson, Carl Fredrik Munk  Bergenstråhle & Lindvall AB P.O. Box 17704 118 93 Stockholm 118 93 Stockholm (SE)