Process and intermediates for the preparation of certain mesoionic pesticides
US12356988B2 · kind B2 · utility
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1Claims
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Key dates
| Filing date | Mar 4, 2019 |
| Grant date | Jul 15, 2025 |
| Priority date | — |
| Expiry date | Jan 17, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a method for preparing a compound of Formula B, Formula C, or Formula D:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.