(19)

(11)

EP 4 065 515 A1

(12)

(43) Date of publication: 05.10.2022 Bulletin 2022/40 (21) Application number: 20894734.1 (22) Date of filing: 25.11.2020

(51) International Patent Classification (IPC):  C01G 51/00(2006.01) B01J 37/08(2006.01) F01N 3/28(2006.01) B01J 37/02(2006.01) C01G 37/14(2006.01) F23C 13/08(2006.01) (52) Cooperative Patent Classification (CPC): F01N 3/28; F23C 13/08; B01J 35/0013; B01J 23/864; B01J 37/031; B01J 37/0018; B01J 35/1019; B01J 35/1061; B01J 35/1038; B01J 35/002; B01J 23/005; B01J 23/002; B01J 35/04; B01J 37/0215; B01J 37/088; F01N 2570/10; F01N 2590/10; F01N 3/2828; F01N 3/2814; C01G 51/40; C01P 2002/72; C01P 2002/82; C01P 2004/03; C01P 2002/85; C01P 2006/12; C01P 2006/14; C01P 2006/16; C01P 2006/90; C01P 2002/88; C01P 2002/60; C01P 2004/62; C01P 2004/04; C01P 2004/32 (86) International application number: PCT/CA2020/051603 (87) International publication number: WO 2021/102565 (03.06.2021 Gazette 2021/22)

(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: 26.11.2019 US 201962940773 P (71) Applicant: The University of British Columbia Vancouver, British Columbia V6T 1Z3 (CA)	(72) Inventors: MACLACHLAN, Mark Vancouver, British Columbia V6T 1Z3 (CA) WOLF, Michael Vancouver, British Columbia V6T 1Z3 (CA) SMITH, Kevin Vancouver, British Columbia V6T 1Z3 (CA) DAI, Yiling Vancouver, British Columbia V6T 1Z3 (CA) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)