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US 2014/0193472 A1Published application
Formulations for paddy rice fields
AssigneeBASF SE
InventorsChristian Sowa, Gerhard Peter Dohmen, Martin Obermann, Nadine Riediger, Kristin Klappach, Manuel Schmitt, Reinhard Stierl
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Abstract
The present invention relates to microcapsules, formulations comprising such microcapsules and to methods of combating phytopathogenic pests in paddy rice fields based on such microcapsules.
Claims21
1-15. (canceled)
Microcapsules wherein
- (i) the capsule has a core-shell structure;
- and
- (ii) at least 80% of the pesticide is dissolved in an organic solvent at 25° C. in the core;
- and
- (iii) the capsule shell is based on a polyurethane comprising polyfunctional isocyanate and a polyamine in polymerized form;
- and
- (iv) the ratio by weight of capsule shell in relation to the weight of the capsule is from 1-20%-by weight
4 more elements
Dependencies are inferred from the claim text.