(19)

(11)

EP 2 675 757 A1

(12)

(43) Date of publication: 25.12.2013 Bulletin 2013/52 (21) Application number: 12711472.6 (22) Date of filing: 31.01.2012

(51) International Patent Classification (IPC):  C02F 1/461(2006.01) C02F 1/36(2006.01) (86) International application number: PCT/NL2012/000011 (87) International publication number: WO 2012/112029 (23.08.2012 Gazette 2012/34)

(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 (30) Priority: 14.02.2011 NL 1038578 (71) Applicants: Improvus (VOF) 1251JW Laren (NL) Tuin, Gert 7312 ZX Apeldoorn (NL)	(72) Inventors: TUIN, Gert NL-7312 ZX Apeldoorn (NL) DE RUITER, Peter NL-1251 JW Laren (NL) (74) Representative: van der Veer, Johannis Leendert  Bloemkeshof 37 5301 WL Zaltbommel 5301 WL Zaltbommel (NL)