(19)

(11)

EP 2 164 809 A1

(12)

(43) Date of publication: 24.03.2010 Bulletin 2010/12 (21) Application number: 08775534.4 (22) Date of filing: 03.07.2008

(51) International Patent Classification (IPC):  C02F 1/52(2006.01) C02F 1/58(2006.01) (86) International application number: PCT/FI2008/050409 (87) International publication number: WO 2009/004123 (08.01.2009 Gazette 2009/02)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 05.07.2007 FI 20075515 (71) Applicant: Biolan OY 27501 Kauttua (FI)	(72) Inventors: ASIKAINEN, Ville FIN-26100 Rauma (FI) KALLIO, Ilkka FIN-27220 Lappi (FI) PALMUJOKI, Lauri FIN-21250 Masku (FI) PELTO-HUIKKO, Tuomas FIN-26100 Rauma (FI) (74) Representative: LEITZINGER OY  Tammasaarenkatu 1 00180 Helsinki 00180 Helsinki (FI)