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EP 4 771 099 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 23951102.5 (22) Date of filing: 05.09.2023

(51) International Patent Classification (IPC):  C08L 83/04(2006.01) C08K 5/00(2006.01) C08G 77/20(2006.01) C08L 83/05(2006.01) H10H 20/854(2025.01) (52) Cooperative Patent Classification (CPC): C08L 83/04; C08G 77/20; C08G 77/80   C-Sets: C08L 83/04, C08L 83/00, C08K 5/56; (86) International application number: PCT/CN2023/116902 (87) International publication number: WO 2025/050273 (13.03.2025 Gazette 2025/11)

(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: KH MA MD TN (71) Applicant: Dow Silicones Corporation Midland, Michigan 48686 (US)	(72) Inventors: ZHANG, Zijia Shanghai 201203 (CN) SU, Cathy Shanghai 201203 (CN) YANG, Rui Shanghai 201203 (CN) CHEN, Wenjie Shanghai 201203 (CN) CHEN, Qi Shanghai 201203 (CN) (74) Representative: Elkington and Fife LLP  Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)