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EP 4 577 587 A1

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(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 23769080.5 (22) Date of filing: 22.08.2023

(51) International Patent Classification (IPC):  C08G 18/10(2006.01) C08G 18/38(2006.01) C08G 18/66(2006.01) C08G 18/75(2006.01) C08G 18/80(2006.01) C08K 3/22(2006.01) C08G 18/24(2006.01) C08G 18/48(2006.01) C08G 18/72(2006.01) C08G 18/76(2006.01) C09D 175/06(2006.01) (52) Cooperative Patent Classification (CPC): C08G 18/755; C08G 18/758; C08G 18/38; C08G 18/246; C08G 18/7671; C09D 175/06; C08G 18/10; C08G 18/4808; C08G 18/8051; C08G 18/6696; C08K 2003/2227; C08G 18/722   C-Sets: C08G 18/10, C08G 18/6696; C09D 175/06, C08K 3/013; (86) International application number: PCT/US2023/072631 (87) International publication number: WO 2024/044576 (29.02.2024 Gazette 2024/09)

(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: 22.08.2022 US 202263373082 P (71) Applicant: PPG Industries Ohio Inc. Cleveland, OH 44111 (US)	(72) Inventors: ZHOU, Hongying Allison Park, Pennsylvania 15101 (US) TANG, Yong Sewickley, Pennsylvania 15143 (US) (74) Representative: f & e patent  Braunsberger Feld 29 51429 Bergisch Gladbach 51429 Bergisch Gladbach (DE)