(19)

(11)

EP 3 585 735 A1

(12)

(43) Date of publication: 01.01.2020 Bulletin 2020/01 (21) Application number: 18757845.5 (22) Date of filing: 21.02.2018

(51) International Patent Classification (IPC):  C02F 1/52(2006.01) (86) International application number: PCT/SE2018/050169 (87) International publication number: WO 2018/156075 (30.08.2018 Gazette 2018/35)

(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 TN (30) Priority: 21.02.2017 SE 1700035 (71) Applicant: Ulmert, Hans David Staffan 224 67 Lund (SE)	(72) Inventor: ULMERT, Hans 224 67 Lund (SE) (74) Representative: Brann AB  P.O. Box 3690 Drottninggatan 27 103 59 Stockholm 103 59 Stockholm (SE)