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EP 4 514 787 A1

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(43) Date of publication: 05.03.2025 Bulletin 2025/10 (21) Application number: 23721707.0 (22) Date of filing: 24.04.2023

(51) International Patent Classification (IPC):  C07D 335/16(2006.01) C08G 64/06(2006.01) G02B 1/04(2006.01) C07C 43/23(2006.01) C08G 64/30(2006.01) C08G 64/00(2006.01) (52) Cooperative Patent Classification (CPC): C07C 43/23; C07C 2603/18; G02B 1/041; C07D 333/76; C07D 335/12; C07D 339/08; C07D 311/82; C08G 64/305; C08G 64/1608   C-Sets: G02B 1/041, C08L 69/00; (86) International application number: PCT/EP2023/060637 (87) International publication number: WO 2023/208837 (02.11.2023 Gazette 2023/44)

(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: 26.04.2022 EP 22169998 (71) Applicant: Reuter Chemische Apparatebau e.K. 79108 Freiburg (DE)

(72) Inventors: REUTER, Karl 79108 Freiburg (DE) KOSCHKER, Philipp 79108 Freiburg (DE) ANDRUSHKO, Vasyl 79108 Freiburg (DE) KYRI, Andreas 79108 Freiburg (DE) STOLZ, Florian 79108 Freiburg (DE) KANTOR, Mark 79108 Freiburg (DE) KATO, Noriyuki Tokyo, Tokyo 100-08324 (JP) NISHIMORI, Katsushi Tokyo, Tokyo 125-8601 (JP) MOTEGI, Atsushi Tokyo, Tokyo 125-8601 (JP) ISHIHARA, Kentaro Tokyo, Tokyo 100-8324 (JP) WATANABE, Takafumi Tokyo, Tokyo 125-8601 (JP) TAKAMATSU, Kazutaka Tokyo, Tokyo 125-8601 (JP) HARADA, Yutaro Tokyo, Tokyo 125-8601 (JP) (74) Representative: Meissner Bolte Partnerschaft mbB  Patentanwälte Rechtsanwälte Postfach 86 06 24 81633 München 81633 München (DE)