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(11)

EP 3 638 819 A1

(12)

(43) Date of publication: 22.04.2020 Bulletin 2020/17 (21) Application number: 18816937.9 (22) Date of filing: 08.06.2018

(51) International Patent Classification (IPC):  C22B 23/00(2006.01) C22B 3/20(2006.01) C22B 23/06(2006.01) C22B 3/44(2006.01) (86) International application number: PCT/AU2018/050569 (87) International publication number: WO 2018/227237 (20.12.2018 Gazette 2018/51)

(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: 14.06.2017 US 201762519457 P (71) Applicants: Urban Mining Pty Ltd West Perth, Western Australia 6005 (AU) NMR 360 Inc Ville St. Laurent, Québec H4S 1S5 (CA)	(72) Inventors: HARRIS, Bryn Ville St. Laurent, Qu bec H4S 1S5 (CA) WHITE, Carl Ville St. Laurent, Qu bec H4S 1S5 (CA) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)