(19)

(11)

EP 4 214 203 A1

(12)

(43) Date of publication: 26.07.2023 Bulletin 2023/30 (21) Application number: 21798096.0 (22) Date of filing: 14.09.2021

(51) International Patent Classification (IPC):  C07D 413/12(2006.01) C07D 417/12(2006.01) A01N 43/653(2006.01) A01N 43/90(2006.01) C07D 401/12(2006.01) C07D 498/04(2006.01) A01N 43/82(2006.01) (52) Cooperative Patent Classification (CPC): C07D 401/12; C07D 413/12; C07D 417/12; C07D 498/04; A01N 43/82; A01N 43/653; A01N 43/90; A01P 3/00 (86) International application number: PCT/IB2021/058347 (87) International publication number: WO 2022/058878 (24.03.2022 Gazette 2022/12)

(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: 15.09.2020 IN 202011039959 (71) Applicant: PI Industries Ltd. Udaipur, Rajasthan 313001 (IN)

(72) Inventors: NARUTE, Sachin Baban Dist-Satara- Maharashtra 415521 (IN) PATIL, Chandrashekhar Lilachand Jalgaon-Maharashtra 425107 (IN) SAXENA, Rohit Lucknow-Uttar Pradesh, 226024 (IN) GARG, Ruchi Varanasi- Uttar Pradesh 221010 (IN) AUTKAR, Santosh Shridhar Akola- Maharashtra 444302 (IN) KLAUSENER, Alexander G.M. 50259 Pulheim (DE) GADAKH, Ramdas Balu Maharashtra 422611 (IN) (74) Representative: Keltie LLP  No. 1 London Bridge London SE1 9BA London SE1 9BA (GB)