(19)

(11)

EP 3 880 625 A1

(12)

(43) Date of publication: 22.09.2021 Bulletin 2021/38 (21) Application number: 19883847.6 (22) Date of filing: 15.11.2019

(51) International Patent Classification (IPC):  C04B 12/00(2006.01) C04B 18/04(2006.01) C04B 28/04(2006.01) C04B 18/08(2006.01) C04B 28/00(2006.01) C04B 28/26(2006.01) C04B 20/00(2006.01) C04B 28/12(2006.01) (52) Cooperative Patent Classification (CPC): C04B 28/006; C04B 28/26; C04B 12/005; Y02P 40/10; C04B 28/04; Y02W 30/91   C-Sets: C04B 28/006, C04B 7/02, C04B 12/04, C04B 14/06, C04B 18/144, C04B 40/0028; C04B 28/04, C04B 12/04, C04B 14/06, C04B 18/144, C04B 40/0028; C04B 28/26, C04B 7/02, C04B 14/06, C04B 18/144, C04B 40/0028; C04B 28/26, C04B 7/02, C04B 14/06, C04B 18/0409, C04B 40/0028; C04B 28/04, C04B 12/04, C04B 14/06, C04B 18/0409, C04B 40/0028; C04B 28/006, C04B 7/02, C04B 12/04, C04B 14/043, C04B 14/06, C04B 14/28, C04B 18/0409, C04B 18/141, C04B 22/0093, C04B 22/062, C04B 22/064, C04B 22/143, C04B 40/0028; C04B 28/006, C04B 7/02, C04B 12/04, C04B 14/06, C04B 18/0409, C04B 40/0028; C04B 28/006, C04B 7/02, C04B 12/04, C04B 14/06, C04B 18/0409, C04B 18/08, C04B 40/0028; C04B 28/006, C04B 12/04, C04B 14/06, C04B 18/144, C04B 22/064, C04B 40/0028; (86) International application number: PCT/AU2019/051262 (87) International publication number: WO 2020/097693 (22.05.2020 Gazette 2020/21)

(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: 16.11.2018 AU 2018904386 (71) Applicant: Canasia Australia Pty Ltd Killara, New South Wales 2071 (AU)	(72) Inventor: GREGORY, David Preston Killara, New South Wales 2071 (AU) (74) Representative: Harris, Jennifer Lucy et al Kilburn & Strode LLP Lacon London 84 Theobalds Road London WC1X 8NL London WC1X 8NL (GB)