(19)

(11)

EP 4 003 064 A2

(12)

(88) Date of publication A3: 11.03.2021 (43) Date of publication: 01.06.2022 Bulletin 2022/22 (21) Application number: 20760392.9 (22) Date of filing: 31.07.2020

(51) International Patent Classification (IPC):  A24B 15/14(2006.01) A24F 47/00(2020.01) A24B 15/167(2020.01) (52) Cooperative Patent Classification (CPC): A24B 15/167; A24B 15/14; A24D 1/20 (86) International application number: PCT/EP2020/071647 (87) International publication number: WO 2021/019072 (04.02.2021 Gazette 2021/05)

(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: 31.07.2019 GB 201910952 (71) Applicant: Nicoventures Trading Limited London Greater London WC2R 3LA (GB)	(72) Inventor: FRIEDRICH, Ludwig London Greater London WC1R 3LA (GB) (74) Representative: Dehns  St. Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)