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EP 4 798 550 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24795060.3 (22) Date of filing: 10.10.2024

(51) International Patent Classification (IPC):  C03C 3/087(2006.01) A61J 1/14(2023.01) C03C 15/00(2006.01) A61J 1/05(2006.01) C03C 3/091(2006.01) C03C 17/00(2006.01) (52) Cooperative Patent Classification (CPC): C03C 17/004; C03C 15/00; C03C 3/087; C03C 3/091; A61J 1/1468; A61J 1/065; A61J 2200/50 (86) International application number: PCT/US2024/050644 (87) International publication number: WO 2025/090291 (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: 24.10.2023 US 202363545429 P (71) Applicant: Corning Incorporated Corning, New York 14831 (US)	(72) Inventors: CHIANG, Pei-Chen Tainan City, 704 (TW) FANG, Ye Painted Post, New York 14870 (US) SCHAUT, Robert Anthony Horseheads, New York 14845 (US) STEWART, Ross Johnson Corning, New York 14830 (US) TIETJE, Steven Alvin New York 14858 (US) (74) Representative: Elkington and Fife LLP  Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)