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(11)

EP 4 453 311 A1

(12)

(43) Date of publication: 30.10.2024 Bulletin 2024/44 (21) Application number: 22912679.2 (22) Date of filing: 21.12.2022

(51) International Patent Classification (IPC):  D21H 21/04(2006.01) C02F 3/28(2023.01) A01N 59/00(2006.01) D21H 21/36(2006.01) (52) Cooperative Patent Classification (CPC): D21H 21/24; D21H 17/09; D21H 21/36; D21H 13/30; D21H 21/12; D21H 21/02; D21H 21/16; D21C 9/08; D21H 21/04 (86) International application number: PCT/US2022/082097 (87) International publication number: WO 2023/122637 (29.06.2023 Gazette 2023/26)

(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: 22.12.2021 US 202163265845 P (71) Applicant: Solenis Technologies Cayman, L.P. 8200 Schaffhausen (CH)	(72) Inventors: CARRIDO, Corinne E. Wilmington, Delaware 19803 (US) BORKAR, Sachin Wilmington, Delaware 19803 (US) CAREY, William S. Wilmington, Delaware 19803 (US) (74) Representative: LKGlobal UK Ltd.  Cambridge House Henry Street Bath BA1 1BT Bath BA1 1BT (GB)