Process for preparation of sulfentrazone with tank-mix compatibility
US12338221B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Feb 25, 2022 |
| Grant date | Jun 24, 2025 |
| Priority date | — |
| Expiry date | Jan 15, 2044 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D249/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Described herein is an environmentally friendly process for preparing pure sulfentrazone having tank-mix compatibility which includes treating sulfentrazone with a base and isolating the pure sulfentrazone with an acid. Compositions containing the pure sulfentrazone are also included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.