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(11)

EP 3 994 096 A1

(12)

(43) Date of publication: 11.05.2022 Bulletin 2022/19 (21) Application number: 20836489.3 (22) Date of filing: 02.07.2020

(51) International Patent Classification (IPC):  C01B 21/06(2006.01) B82Y 30/00(2011.01) H01M 8/0234(2016.01) C01B 3/00(2006.01) B82Y 40/00(2011.01) C07D 251/56(2006.01) (52) Cooperative Patent Classification (CPC): C01B 3/0021; C01B 3/001; B01D 53/02; B01D 2257/108; B01D 2253/102; B01D 2253/304; C01B 21/0605; Y02E 60/32; Y02E 60/50; B82Y 30/00; B82Y 40/00 (86) International application number: PCT/AU2020/050691 (87) International publication number: WO 2021/003520 (14.01.2021 Gazette 2021/02)

(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: 05.07.2019 AU 2019902388 (71) Applicant: NewSouth Innovations Pty Limited Sydney, New South Wales 2052 (AU)	(72) Inventors: TSENG, Yu-Sheng Sydney, New South Wales 2052 (AU) CHAN, Sammy Lap Ip Sydney, New South Wales 2052 (AU) (74) Representative: Zacco Sweden AB  P.O. Box 5581 114 85 Stockholm 114 85 Stockholm (SE)