(19)

(11)

EP 4 824 109 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24827648.7 (22) Date of filing: 06.12.2024

(51) International Patent Classification (IPC):  C08F 2/22(2006.01) C09D 151/00(2006.01) C08F 261/04(2006.01) D21H 19/20(2006.01) (52) Cooperative Patent Classification (CPC): C08F 2/22; C08F 261/04; D21H 19/20; C09D 151/003; D21H 17/37; C08F 2/30; D21H 19/22; D21H 17/36   C-Sets: C08F 261/04, C08F 220/1802, C08F 220/06; C08F 261/04, C08F 220/1808, C08F 220/06; C08F 261/04, C08F 220/1808, C08F 220/54; C08F 261/04, C08F 220/20, C08F 220/54; C08F 261/04, C08F 220/20, C08F 220/56; C08F 261/04, C08F 220/20, C08F 220/585; C08F 261/04, C08F 220/20, C08F 220/06; (86) International application number: PCT/US2024/058766 (87) International publication number: WO 2025/128409 (19.06.2025 Gazette 2025/25)

(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: 15.12.2023 US 202363610441 P (71) Applicant: Buckman Laboratories International, Inc. Memphis, TN 38108 (US)	(72) Inventor: MOUSTAFA, Ahmed Memphis, TN 38108-0305 (US) (74) Representative: Abel & Imray LLP  Westpoint Building James Street West Bath BA1 2DA Bath BA1 2DA (GB)