(19)

(11)

EP 4 798 549 A1

(12)

(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24787312.8 (22) Date of filing: 24.09.2024

(51) International Patent Classification (IPC):  C03C 3/083(2006.01) C03C 27/10(2006.01) C03C 21/00(2006.01) B32B 17/06(2006.01) (52) Cooperative Patent Classification (CPC): C03C 27/10; C03C 21/002; C03C 3/083; B32B 1/00; B32B 17/10; B32B 2307/7376; B32B 2375/00; B32B 2457/20; B32B 2605/08; B32B 2605/10; B32B 2605/12; B32B 2605/18; B32B 2605/16; B32B 2605/00 (86) International application number: PCT/US2024/048138 (87) International publication number: WO 2025/090234 (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: 25.10.2023 US 202363545627 P (71) Applicant: Corning Incorporated Corning, New York 14831 (US)	(72) Inventors: GIBSON III, Ray Gage Bath, New York 14810 (US) WANG, Baolin Painted Post, New York 14870 (US) (74) Representative: Elkington and Fife LLP  Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)