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EP 4 308 887 A1

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(43) Date of publication: 24.01.2024 Bulletin 2024/04 (21) Application number: 22771915.0 (22) Date of filing: 01.03.2022

(51) International Patent Classification (IPC):  G01F 1/64(2006.01) G01F 1/28(2006.01) G01F 1/66(2022.01) G01D 5/24(2006.01) G01F 1/58(2006.01) G01F 1/68(2006.01) (52) Cooperative Patent Classification (CPC): G01F 1/64; G01F 1/58; G01F 1/66; G01F 1/28; A01C 23/007; G01F 1/24; G01F 1/712; G01F 1/56; G01F 1/74; G01F 1/86 (86) International application number: PCT/US2022/018317 (87) International publication number: WO 2022/197435 (22.09.2022 Gazette 2022/38)

(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: 15.03.2021 US 202117201988 25.01.2022 US 202217583479 (71) Applicant: AMVAC Hong Kong Limited Sheung Wan (HK)	(72) Inventors: CONRAD, Larry M. Walker, Iowa 52352 (US) RICE, Richard L. Collierville, Tennessee 38017 (US) (74) Representative: Lambrinos, Matthew Franklin et al Franklin & Associates International Ltd. 3rd Floor, 86-90 Paul Street London EC2A 4NE London EC2A 4NE (GB)