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EP 4 402 236 A1

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(43) Date of publication: 24.07.2024 Bulletin 2024/30 (21) Application number: 22793679.6 (22) Date of filing: 16.09.2022

(51) International Patent Classification (IPC):  C11D 3/00(2006.01) C11D 3/39(2006.01) C11D 3/37(2006.01) (52) Cooperative Patent Classification (CPC): C11D 3/39; C11D 3/0021; C11D 3/3776; C11D 3/0068 (86) International application number: PCT/EP2022/075835 (87) International publication number: WO 2023/041739 (23.03.2023 Gazette 2023/12)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 16.09.2021 GB 202113245 (71) Applicant: Reckitt Benckiser Vanish B.V. 2132 WT Hoofddorp (NL)	(72) Inventors: BALDAN, Valeria 30034 Mira Venezia (IT) GIUSTO, Enrico 30034 Mira Venezia (IT) MARCHIANI, Anna 30034 Mira Venezia (IT) (74) Representative: Richardson, Lyndsey Ann et al Reckitt Benckiser Corporate Services Limited Legal Department - Patents Group Dansom Lane Hull HU8 7DS Hull HU8 7DS (GB)