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EP 4 739 634 A1

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(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24743622.3 (22) Date of filing: 01.07.2024

(51) International Patent Classification (IPC):  C03B 11/10(2006.01) C03C 19/00(2006.01) C03B 11/12(2006.01) (52) Cooperative Patent Classification (CPC): C03B 11/10; C03B 11/122; C03B 2215/412; C03B 2215/404; C03B 2215/76; C03C 19/00 (86) International application number: PCT/US2024/036337 (87) International publication number: WO 2025/010218 (09.01.2025 Gazette 2025/02)

(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: 05.07.2023 US 202363525060 P (71) Applicant: Corning Incorporated Corning, New York 14831 (US)

(72) Inventors: DEDIEU, Cyril Rémy André 77850 Hericy (FR) FREDHOLM, Allan Mark 77870 Vulaines sur Seine (FR) IMMERMAN, Jacob Corning, New York 14830 (US) JEANSON, Anne-Claire 77210 Avon (FR) PALUMBO, Aniello Mario Painted Post, New York 14870 (US) RAI, Rohit Painted Post, New York 14870 (US) STERNQUIST, Brandon Thomas Corning, New York 14830 (US) TSVETKOV, Boris Nikolayevich 02200 Espoo (FI) (74) Representative: Elkington and Fife LLP  Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)