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EP 4 499 918 A1

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(43) Date of publication: 05.02.2025 Bulletin 2025/06 (21) Application number: 22725392.9 (22) Date of filing: 22.04.2022

(51) International Patent Classification (IPC):  D21H 21/14(2006.01) D21H 21/54(2006.01) A47K 10/16(2006.01) D21H 27/00(2006.01) (52) Cooperative Patent Classification (CPC): D21H 21/14; D21H 21/54; D21H 27/002; A47K 2010/322 (86) International application number: PCT/EP2022/060719 (87) International publication number: WO 2023/186333 (05.10.2023 Gazette 2023/40)

(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: 30.03.2022 US 202263325259 P (71) Applicant: Symrise AG 37603 Holzminden Niedersachsen (DE)	(72) Inventors: CASTRO MORALES, Alejandro 07188 Gustavo A. Madero Mexiko-Stadt (MX) CABRERA, Amadeo 07188 Gustavo A. Madero Mexiko-Stadt (MX) FLORES, Daniel Estado de México, 54850 (MX) TEFFENHART, John New Jersey, New Jersey 08817 (US) (74) Representative: Fabry, Bernd  IP2 Patentanwalts GmbH Schlossstrasse 523-525 41238 Mönchengladbach 41238 Mönchengladbach (DE)