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(11)

EP 4 511 443 A1

(12)

(43) Date of publication: 26.02.2025 Bulletin 2025/09 (21) Application number: 23724497.5 (22) Date of filing: 20.04.2023

(51) International Patent Classification (IPC):  C09K 9/02(2006.01) G02F 1/1516(2019.01) C07D 417/00(2006.01) (52) Cooperative Patent Classification (CPC): C09K 9/02; C09K 2211/1037; C09K 2211/1011; G02F 1/1516; C07D 279/22 (86) International application number: PCT/US2023/019228 (87) International publication number: WO 2023/205310 (26.10.2023 Gazette 2023/43)

(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 (30) Priority: 21.04.2022 US 202263333182 P 12.04.2023 US 202318133559 (71) Applicant: Vitro Flat Glass LLC Cheswick PA 15024 (US)	(72) Inventors: CHRISTIANSEN, Dylan, Thomas Pittsburgh, Pennsylvania 15215 (US) SOKOL, Ivan, Alexandrovich Pittsburgh, Pennsylvania 15238 (US) (74) Representative: f & e patent  Braunsberger Feld 29 51429 Bergisch Gladbach 51429 Bergisch Gladbach (DE)