(19)

(11)

EP 3 976 866 A1

(12)

(43) Date of publication: 06.04.2022 Bulletin 2022/14 (21) Application number: 20815115.9 (22) Date of filing: 12.05.2020

(51) International Patent Classification (IPC):  D01F 8/02(2006.01) (52) Cooperative Patent Classification (CPC): D06M 16/00; D06M 11/00; D06M 11/17; D06M 11/57; D06M 11/76; D06M 13/00; D06M 13/188; D06M 13/46; D06M 15/61; D06M 15/3562; D06M 2101/06; D06M 2101/12; D06M 2200/30 (86) International application number: PCT/CA2020/050643 (87) International publication number: WO 2020/237347 (03.12.2020 Gazette 2020/49)

(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: 31.05.2019 US 201962855162 P (71) Applicant: Bast Fibre Technologies Inc. Victoria, BC V8Z 7X8 (CA)	(72) Inventors: FINNIS, Jason David Victoria, British Columbia V8X 4J5 (CA) POURMOHAMMADBAGHER, Amin Edmonton, Alberta T6W 2J4 (CA) (74) Representative: Hoeger, Stellrecht & Partner Patentanwälte mbB  Uhlandstrasse 14c 70182 Stuttgart 70182 Stuttgart (DE)