Process for pelletizing insecticidal n-hydrocarboyl...

Details Process for pelletizing insecticidal n-hydrocarboyl... Process for pelletizing insecticidal n-hydrocarboyl...

A - Human Necessities

01

N

167/14.4

A01N 25/34 (2006.01) A01N 57/04 (2006.01) A01N 57/28 (2006.01)

Patent

CA 2023294

Insecticidal pellet compositions of N-hydrocarboyl phosphoroamidothioates and phosphoroamidodithioates are provided. These compositions have improved odor control, thermal stability, attrition resistance, bulk density and handling characteristics over the powdered forms of the insecticides. Methods are provided for making such pellets, and in particular, an extrusion method is provided in which the dry insecticidal composition is mixed with from 3-25% of a solvent to form a consistency of damp sandy loam and then extruded.

Compositions insecticides en pastilles, à base de phosphoroamidothïoates et de phosphoroamidodithïoates N-hydrocarboyliques. Ces compositions ont des caractéristiques améliorées du point de vue odeur, stabilité thermique, résistance à l'usure, masse volumique et manipulation, comparativement aux insecticides en poudre. L'invention présente des méthodes pour préparer ces pastilles, notamment une méthode d'extrusion dans laquelle la composition insecticide sèche est mélangée avec 3-25 % d'un solvant pour obtenir une consistance de limon sablonneux humide, puis extrudée.

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