(19)

(11)

EP 4 072 345 A1

(12)

(43) Date of publication: 19.10.2022 Bulletin 2022/42 (21) Application number: 20845436.3 (22) Date of filing: 08.12.2020

(51) International Patent Classification (IPC):  A24B 13/00(2006.01) A24B 15/28(2006.01) A24B 15/16(2020.01) A24B 15/30(2006.01) (52) Cooperative Patent Classification (CPC): A24B 13/00; A24B 15/16; A24B 15/30; A24B 15/281 (86) International application number: PCT/IB2020/061657 (87) International publication number: WO 2021/116916 (17.06.2021 Gazette 2021/24)

(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: 09.12.2019 US 201962945494 P (71) Applicant: Nicoventures Trading Limited London Greater London WC2R 3LA (GB)

(72) Inventors: BEESON, Dwayne William London, Greater London WC2R 3LA (GB) BUNCH, John E. London, Greater London WC2R 3LA (GB) HOLTON, Darrell Eugene, Jr. London, Greater London WC2R 3LA (GB) HUTCHENS, Ronald K. London, Greater London WC2R 3LA (GB) RIGGINS, Allen London, Greater London WC2R 3LA (GB) STOKES, Cynthia London, Greater London WC2R 3LA (GB) GRIMES, Chris J. High Point, North Carolina 27262 (US) (74) Representative: Newcombe, Christopher David et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD London EC1A 4HD (GB)