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(11)

EP 4 558 597 A1

(12)

(43) Date of publication: 28.05.2025 Bulletin 2025/22 (21) Application number: 23765044.5 (22) Date of filing: 10.08.2023

(51) International Patent Classification (IPC):  C11D 3/22(2006.01) C11D 1/66(2006.01) C11D 3/10(2006.01) C11D 3/36(2006.01) C11D 11/00(2006.01) C11D 3/08(2006.01) C11D 3/20(2006.01) (52) Cooperative Patent Classification (CPC): C11D 3/361; C11D 3/225; C11D 1/66; C11D 3/10; C11D 3/2086; C11D 3/08; C11D 2111/14 (86) International application number: PCT/US2023/029945 (87) International publication number: WO 2024/039567 (22.02.2024 Gazette 2024/08)

(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: 18.08.2022 US 202263398904 P (71) Applicants: Rohm and Haas Company Collegeville, PA 19426 (US) Union Carbide Corporation Seadrift, TX 77983 (US)

(72) Inventors: PULUKKODY, Randara Collegeville, Pennsylvania 19426 (US) BACKER, Scott Collegeville, Pennsylvania 19426 (US) YIN, Ligeng Collegeville, Pennsylvania 49426 (US) MERCANDO, Paul Collegeville, Pennsylvania 19426 (US) PARTAIN III, Emmett Bound Brook, New Jersey 08805 (US) KOENIG, Jennifer Collegeville, Pennsylvania 19426 (US) (74) Representative: Beck Greener LLP  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)