(19)

(11)

EP 4 107 143 A1

(12)

(43) Date of publication: 28.12.2022 Bulletin 2022/52 (21) Application number: 21711678.9 (22) Date of filing: 18.02.2021

(51) International Patent Classification (IPC):  C07C 67/313(2006.01) C07C 69/76(2006.01) (52) Cooperative Patent Classification (CPC): C07C 67/313   C-Sets: C07C 67/313, C07C 69/76; (86) International application number: PCT/US2021/018516 (87) International publication number: WO 2021/168072 (26.08.2021 Gazette 2021/34)

(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: 20.02.2020 US 202062978860 P (71) Applicants: Dow Global Technologies LLC Midland, MI 48674 (US) Rohm and Haas Company Collegeville, PA 19426 (US)	(72) Inventors: BISWAS, Souvagya Midland, Michigan 48674 (US) FIGUEROA, Ruth Midland, Michigan 48674 (US) SATHIOSATHAM, Muhunthan Collegeville, Pennsylvania 19426 (US) (74) Representative: Beck Greener LLP  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)