Microcapsules comprising cinmethyln in the core and a polyurea derived from diphenylmethane diisocyanate or an oligomer thereof
US12376586B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2018 |
| Grant date | Aug 5, 2025 |
| Priority date | — |
| Expiry date | Jan 10, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to microcapsules comprising a core, wherein the core comprises cinmethylin, and a polyurea shell, wherein the shell comprises a polyaddition product of diphenylmethane diisocyanate or an oligomer thereof and at least one amine having at least two primary amino groups; to a composition comprising such microcapsules; to a method for preparing such microcapsules or such a composition; to a composition obtainable by said preparation method; and to the use of such microcapsules or compositions for controlling undesired vegetation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.