(19)

(11)

EP 4 581 254 A1

(12)

(43) Date of publication: 09.07.2025 Bulletin 2025/28 (21) Application number: 23870849.9 (22) Date of filing: 26.09.2023

(51) International Patent Classification (IPC):  F01N 13/00(2010.01) B01J 35/00(2024.01) B01J 23/56(2006.01) B01J 23/10(2006.01) B01J 21/04(2006.01) B01J 35/56(2024.01) (52) Cooperative Patent Classification (CPC): B01J 37/04; B01J 37/033; B01J 37/03; B01J 37/0244; B01J 35/56; B01J 23/89; B01J 23/63; F01N 3/035; F01N 3/101; F01N 2510/0682 (86) International application number: PCT/CN2023/121665 (87) International publication number: WO 2024/067621 (04.04.2024 Gazette 2024/14)

(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: 27.09.2022 WO PCT/CN2022/121777 (71) Applicant: BASF CORPORATION Florham Park, NJ 07932 (US)	(72) Inventors: CHEN, Chunyu Shanghai 201206 (CN) SIANI, Attilio 30173 Hannover (DE) WANG, Weiliang Shanghai 201206 (CN) SONG, Wenji Shanghai 201206 (CN) (74) Representative: Altmann Stößel Dick Patentanwälte PartG mbB  Isartorplatz 1 80331 München 80331 München (DE)