Patent · US Active

Microcapsules comprising cinmethyln in the core and a polyurea derived from diphenylmethane diisocyanate or an oligomer thereof

US12376586B2 · kind B2 · utility

0Cited by
0References
17Claims
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Assignee

Inventors

Key dates

Filing dateJan 10, 2018
Grant dateAug 5, 2025
Priority date
Expiry dateJan 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.