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(11)

EP 4 531 594 A1

(12)

(43) Date of publication: 09.04.2025 Bulletin 2025/15 (21) Application number: 23812819.3 (22) Date of filing: 26.05.2023

(51) International Patent Classification (IPC):  A23K 50/10(2016.01) A61M 31/00(2006.01) A61D 19/00(2006.01) A61P 15/08(2006.01) A61L 27/54(2006.01) (52) Cooperative Patent Classification (CPC): A61D 19/00; A23K 20/184; A23K 50/30; A23K 50/10 (86) International application number: PCT/US2023/067565 (87) International publication number: WO 2023/230619 (30.11.2023 Gazette 2023/48)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 26.05.2022 US 202263365389 P 03.10.2022 US 202217937740 03.10.2022 US 202263378226 P (71) Applicant: Insigna Inc. Champaign IL 61820 (US)	(72) Inventors: KO, CheMyong Champaign, Illinois 61822 (US) PARK, ChanJin Savoy, Illinois 61874 (US) HESS, Rex Allen Champaign, Illinois 61821 (US) LIN, Po-Ching Patrick Champaign, Illinois 61822 (US) (74) Representative: Lucas, Phillip Brian  Lucas & Co. 135 Westhall Road Warlingham, Surrey CR6 9HJ Warlingham, Surrey CR6 9HJ (GB)