Agrochemical formulation comprising encapsulated pesticide

US9241912B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Claude Taranta · Aix-en-Provence, FR
• Thomas Bork · Westhofen, DE
• Tina Schroeder-Grimonpont · Rheinzabern, DE
• Britta Katz · Schifferstadt, DE
• Tatjana Sikuljak · Mannheim, DE
• Simon Nord · Münstermaifeld, DE
• Juergen Distler · Alzey, DE
• Richard A. Warriner · Wake Forest, US
• Daniel Bihlmeyer · Apex, US
• James Thomas Wofford · Fuquay-Varina, US

Key dates

• Filing date: Jan 11, 2012
• Grant date: Jan 26, 2016
• Expiry date: Jan 11, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G2310/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to microcapsules comprising a polyurea shell and a core, which contains a pesticide, a water-immiscible solvent A and at least 5 wt % of an aprotic, polar solvent B, which has a solubility in water from 0.5 to 20 g/l at 20° C., based on the total weight of the solvents in the core. It further relates to microcapsules comprising a shell and a core, which contains a pesticide and 2-heptanone; to a method for preparing said microcapsules; to an aqueous composition comprising said microcapsules; and to a method for controlling phytopathogenic fungi and/or undesired plant growth and/or undesired attack by insects or mites and/or for regulating the growth of plants, with said microcapsules.