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EP 4 798 134 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24883218.0 (22) Date of filing: 23.10.2024

(51) International Patent Classification (IPC):  A61F 2/80(2006.01) B33Y 10/00(2015.01) A61L 27/14(2006.01) B33Y 80/00(2015.01) (52) Cooperative Patent Classification (CPC): B33Y 80/00; B33Y 10/00; A61F 2/7812; A61F 2/5044; B29C 64/106; B33Y 40/20; B33Y 70/00 (86) International application number: PCT/US2024/052492 (87) International publication number: WO 2025/090560 (01.05.2025 Gazette 2025/18)

(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: GE KH MA MD TN (30) Priority: 23.10.2023 US 202363592280 P (71) Applicant: Rapid Liquid Print Co. Boston, MA 02129 (US)

(72) Inventors: SPARRMAN, Bjorn Eric Charlestown, MA 02129 (US) KUEI, Steve Charlestown, MA 02129 (US) SCHOENWIESNER, Ariane Christine Charlestown, MA 02129 (US) KAZEMI, Hesaneh Charlestown, MA 02129 (US) FORSYTHE, Hamilton James Charlestown, MA 02129 (US) KERNIZAN, Schendy Guiders Charlestown, MA 02129 (US) (74) Representative: Hafner & Kohl PartmbB  Schleiermacherstraße 25 90491 Nürnberg 90491 Nürnberg (DE)