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(11)

EP 4 374 002 A1

(12)

(43) Date of publication: 29.05.2024 Bulletin 2024/22 (21) Application number: 22846711.4 (22) Date of filing: 22.07.2022

(51) International Patent Classification (IPC):  C30B 29/02(2006.01) C23C 16/27(2006.01) C30B 29/04(2006.01) C30B 29/00(2006.01) (52) Cooperative Patent Classification (CPC): C23C 16/27; C30B 29/04; C30B 25/16; C23C 16/52 (86) International application number: PCT/US2022/038091 (87) International publication number: WO 2023/004169 (26.01.2023 Gazette 2023/04)

(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: 23.07.2021 US 202163225365 P (71) Applicant: Impossible Diamond, Inc. New York, NY 10014 (US)	(72) Inventors: SHEARMAN, Ryan New York, NY 10014 (US) WOJNO, Daniel New York, NY 10014 (US) IPPOLITO, Anthony W. Jr. New York, NY 10014 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)