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EP 4 771 079 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24761965.3 (22) Date of filing: 28.08.2024

(51) International Patent Classification (IPC):  C08G 69/44(2006.01) C07D 307/68(2006.01) C08G 69/42(2006.01) C07C 233/63(2006.01) C08L 77/12(2006.01) (52) Cooperative Patent Classification (CPC): C07C 233/63; C07D 307/68; C08G 69/42; C08G 69/44; C08L 77/12 (86) International application number: PCT/EP2024/074070 (87) International publication number: WO 2025/045939 (06.03.2025 Gazette 2025/10)

(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: 30.08.2023 IN 202311058191 16.10.2023 EP 23203690 (71) Applicant: SPECIALTY OPERATIONS FRANCE 69003 Lyon (FR)

(72) Inventors: CHAKRABORTY, Kaustav VADODARA, GUJARAT 391 770 (IN) WILSON, David, James 93300 AUBERVILLIERS (FR) MAKWANA, Ketan VADODARA, GUJARAT 391 770 (IN) SHIVANANDAREDDY, Avinash B. VADODARA, GUJARAT 391 770 (IN) PAYRA, Debabrata VADODARA, GUJARAT 391 770 (IN) KIKANI, Twara VADODARA, GUJARAT 391 770 (IN) (74) Representative: Valentino, Cédric  Specialty Operations France IAM 85 avenue des Frères Perret 69190 Saint-Fons 69190 Saint-Fons (FR)