(19)

(11)

EP 3 993 639 A1

(12)

(43) Date of publication: 11.05.2022 Bulletin 2022/19 (21) Application number: 20746704.4 (22) Date of filing: 03.07.2020

(51) International Patent Classification (IPC):  A23K 20/105(2016.01) A23K 40/10(2016.01) A23K 20/28(2016.01) (52) Cooperative Patent Classification (CPC): A23K 20/28; A23K 20/105; A23K 40/10 (86) International application number: PCT/IB2020/056285 (87) International publication number: WO 2021/001794 (07.01.2021 Gazette 2021/01)

(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: 04.07.2019 BE 201905431 (71) Applicant: Impextraco NV 2220 Heist-Op-Den-Berg (BE)	(72) Inventor: VANDEN AVENNE, Marc 2220 Heist-Op-Den-Berg (BE) (74) Representative: Brantsandpatents bvba  Pauline Van Pottelsberghelaan 24 9051 Ghent 9051 Ghent (BE)