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EP 4 114 817 A1

(12)

(43) Date of publication: 11.01.2023 Bulletin 2023/02 (21) Application number: 21764047.3 (22) Date of filing: 20.01.2021

(51) International Patent Classification (IPC):  C07C 45/61(2006.01) C07C 45/90(2006.01) C07C 49/784(2006.01) A01P 3/00(2006.01) C07C 45/81(2006.01) C07C 49/786(2006.01) A01N 35/04(2006.01) (52) Cooperative Patent Classification (CPC): A01N 35/04; A01P 3/00   C-Sets: A01N 35/04, A01N 25/04, A01N 25/12; (86) International application number: PCT/CN2021/072802 (87) International publication number: WO 2021/175029 (10.09.2021 Gazette 2021/36)

(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: 06.03.2020 GB 202003282 (71) Applicant: Jiangsu Rotam Chemistry Co., Ltd Kunshan, Jiangsu 215301 (CN)	(72) Inventor: BRISTOW, James Timothy Hong Kong (CN) (74) Representative: Akers, Noel James  N.J. Akers & Co 63 Lemon Street Truro, Cornwall TR1 2PN Truro, Cornwall TR1 2PN (GB)