(19)

(11)

EP 3 813 535 A1

(12)

(43) Date of publication: 05.05.2021 Bulletin 2021/18 (21) Application number: 19739521.3 (22) Date of filing: 27.06.2019

(51) International Patent Classification (IPC):  A22B 5/18(2006.01) A22C 17/00(2006.01) A22B 5/00(2006.01) (86) International application number: PCT/EP2019/067138 (87) International publication number: WO 2020/002496 (02.01.2020 Gazette 2020/01)

(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: KH MA MD TN (30) Priority: 29.06.2018 DK PA201800318 (71) Applicant: Teknologisk Institut 2630 Taastrup (DK)	(72) Inventor: HENRIKSEN, Ole 2630 Taastrup (DK)