(19)

(11)

EP 4 244 187 A1

(12)

(43) Date of publication: 20.09.2023 Bulletin 2023/38 (21) Application number: 21890401.9 (22) Date of filing: 11.11.2021

(51) International Patent Classification (IPC):  C01B 32/324(2017.01) B01J 20/20(2006.01) B01J 20/30(2006.01) H01G 11/34(2013.01) C01B 32/336(2017.01) B01J 20/28(2006.01) B09B 3/00(2022.01) H05K 1/02(2006.01) (52) Cooperative Patent Classification (CPC): Y02E 60/13; Y02W 30/82; H01G 11/34; H01G 11/24; H05K 2203/178; H05K 3/22; H05K 2201/0323; H05K 1/0393 (86) International application number: PCT/AU2021/051339 (87) International publication number: WO 2022/099369 (19.05.2022 Gazette 2022/20)

(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: 11.11.2020 AU 2020904129 (71) Applicant: NewSouth Innovations Pty Limited Sydney, NSW 2052 (AU)	(72) Inventors: SAHAJWALLA, Veena Sydney, New South Wales 2052 (AU) HOSSAIN, Rumana Sydney, New South Wales 2052 (AU) (74) Representative: Russell, Tim et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD London EC1A 4HD (GB)