(19)

(11)

EP 3 303 263 A1

(12)

(43) Date of publication: 11.04.2018 Bulletin 2018/15 (21) Application number: 16734410.0 (22) Date of filing: 23.05.2016

(51) International Patent Classification (IPC):  C05F 17/00(2006.01) B02C 18/08(2006.01) C05F 17/02(2006.01) (86) International application number: PCT/FI2016/050350 (87) International publication number: WO 2016/189198 (01.12.2016 Gazette 2016/48)

(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 Designated Validation States: MA MD (30) Priority: 25.05.2015 FI 20155383 (71) Applicant: Biolan Oy 27501 Kauttua (FI)	(72) Inventor: KYLÄNPÄÄ, Visa 27510 Eura (FI) (74) Representative: Sole, Timo  Leitzinger Oy, Tammasaarenkatu 1 00180 Helsinki 00180 Helsinki (FI)