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(11)

EP 3 500 098 A1

(12)

(43) Date of publication: 26.06.2019 Bulletin 2019/26 (21) Application number: 16913149.7 (22) Date of filing: 17.08.2016

(51) International Patent Classification (IPC):  A01N 25/28(2006.01) (86) International application number: PCT/CN2016/095621 (87) International publication number: WO 2018/032389 (22.02.2018 Gazette 2018/08)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (71) Applicant: JIANGSU ROTAM CHEMISTRY CO., LTD. Economic & Technical Development Zone, Kunshan, Jiangsu 215301 (CN)	(72) Inventors: WU, Yifan Hong Kong (CN) 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)