(19)

(11)

EP 4 817 075 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24827580.2 (22) Date of filing: 27.11.2024

(51) International Patent Classification (IPC):  H01B 1/12(2006.01) C08L 65/00(2006.01) (52) Cooperative Patent Classification (CPC): H01B 1/127; H01B 1/122; C08L 65/00; C08G 61/126; C08G 2261/1424; C08G 2261/3223; C08G 2261/794; C08G 61/12; C09D 165/00; C08G 65/00; C08L 71/00; C08F 2438/03; C08F 293/005; C08F 220/286 (86) International application number: PCT/US2024/057923 (87) International publication number: WO 2025/117867 (05.06.2025 Gazette 2025/23)

(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: 01.12.2023 US 202363605009 P 26.11.2024 US 202418960445 (71) Applicant: Meta Platforms Technologies, LLC Menlo Park, CA 94025 (US)	(72) Inventors: NGUYEN, Dan My Menlo Park, California 94025 (US) YAO, Li Menlo Park, California 94025 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)