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EP 4 433 535 A1

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(43) Date of publication: 25.09.2024 Bulletin 2024/39 (21) Application number: 22896185.0 (22) Date of filing: 14.11.2022

(51) International Patent Classification (IPC):  C08K 3/04(2006.01) C08K 3/40(2006.01) C08L 83/04(2006.01) C09D 7/61(2018.01) C09D 7/65(2018.01) C08K 5/00(2006.01) C08L 101/00(2006.01) C09D 7/40(2018.01) C09D 7/63(2018.01) C09D 7/20(2018.01) (52) Cooperative Patent Classification (CPC): C09D 7/61; C08K 3/40; C09D 7/70; C08K 3/042; C09D 5/08; C08K 7/00; C08G 77/04 (86) International application number: PCT/MY2022/050108 (87) International publication number: WO 2023/090990 (25.05.2023 Gazette 2023/21)

(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: 16.11.2021 MY PI2021006821 (71) Applicant: Petroliam Nasional Berhad (Petronas) 50088 Kuala Lumpur (MY)	(72) Inventors: SAMSUDIN, Mohd Shamsul Farid Bin 50088 Kuala Lumpur (MY) ABA, Norfarah Diana Binti 50088 Kuala Lumpur (MY) ZAKARIA, Muzdalifah Binti 50088 Kuala Lumpur (MY) MOHAMMED NOR, Azmi Bin 50088 Kuala Lumpur (MY) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)