(19)

(11)

EP 4 266 892 A1

(12)

(43) Date of publication: 01.11.2023 Bulletin 2023/44 (21) Application number: 21942109.6 (22) Date of filing: 25.05.2021

(51) International Patent Classification (IPC):  A22C 17/04(2006.01) B02C 18/28(2006.01) A22C 25/16(2006.01) (52) Cooperative Patent Classification (CPC): A22C 17/04; B30B 9/241 (86) International application number: PCT/US2021/034092 (87) International publication number: WO 2022/240423 (17.11.2022 Gazette 2022/46)

(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: 11.05.2021 US 202117317736 (71) Applicant: Provisur Technologies, Inc. Chicago, IL 60601 (US)	(72) Inventor: AMERSFOORT, Andre 3417 Montfoort, Mp (NL) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)