(210) | Number of the EPO application | 20804381 |
(220) | Filing date of the EPO application | 2020.10.16 |
(80) | EPO patent specification publication (B) | EPB nr. 16/2023, 2023.04.19 |
(110) | EPO patent number | 3976591 |
(21) | Number of the application | e 2022 0389 |
(71) | Name(s) of applicant(s), code of the country | FMC Corporation, US; FMC Agro Singapore Pte. Ltd., SG; |
(72) | Name(s) of inventor(s), code of the country | CAO Yanchun, US; LIU Xin, US; MAO Jianhua, US; XU Zhijian, US; |
(73) | Name(s) of owner(s), code of the country | FMC Corporation, US; FMC Agro Singapore Pte. Ltd., SG; |
(54) | Title of the invention | METHODS FOR THE PREPARATION OF 5-BROMO-2-(3-CHLORO-PYRIDIN-2-YL)-2H-PYRAZOLE-3-CARBOXYLIC ACID |
(13) | Kind-of-document code | A1 |
(51) | International Patent Classification | C07D 231/16 (2006.01.01); C07D 401/04 (2006.01.01); C07D 405/04 (2006.01.01) |
(19) | Country | US |
(41) | Date of publication of the application | 2022.05.31 |
(30) | Priority | 201962916840 P, 2019.10.18, US; 202062982248 P, 2020.02.27, US |
(86) | International application | PCT/US2020/055888, 2020.10.16 |
(87) | International publication | WO 2021/076835, 2021.04.22 |