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EP 4 457 323 A1

(12)

(43) Date of publication: 06.11.2024 Bulletin 2024/45 (21) Application number: 22914489.4 (22) Date of filing: 22.12.2022

(51) International Patent Classification (IPC):  C10M 169/02(2006.01) C10M 119/24(2006.01) C10M 123/04(2006.01) C10M 125/10(2006.01) C10M 115/10(2006.01) C10M 117/04(2006.01) C10M 125/26(2006.01) (52) Cooperative Patent Classification (CPC): C10M 169/06; C10N 2050/10; C10N 2030/06; C10M 2215/1026; C10M 2219/0466; C10M 2219/044; C10M 2207/1285; C10M 2201/087; C10M 2207/122; C10M 2215/04; C10M 2215/065; C10M 2223/045; C10M 2203/1025; C10M 2205/0285; C10N 2040/02; C10M 2207/1265; C10M 2201/062; C10N 2030/12; C10N 2030/36   C-Sets: C10M 2223/045, C10N 2010/12; C10M 2201/062, C10N 2010/04; C10M 2207/1285, C10N 2010/04; (86) International application number: PCT/CN2022/141050 (87) International publication number: WO 2023/125235 (06.07.2023 Gazette 2023/27)

(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: 31.12.2021 CN 202111675531 (71) Applicant: Lanxess Specialty Chemicals Co., Ltd. Shanghai 201507 (CN)	(72) Inventors: LIU, Dabo Shanghai 201417 (CN) LI, Xiaolong Shanghai 201417 (CN) WANG, Yan Shanghai 201417 (CN) ZHANG, Lianhui Shanghai 201507 (CN) (74) Representative: Siegers, Britta  LANXESS Deutschland GmbH LEX-IPR Kennedyplatz 1 50569 Köln 50569 Köln (DE)