Insecticidal compositions
First Claim
1. An insecticidal composition containing microcapsules each of which comprises a core substance having 20 to 85% by weight of an insecticidal ingredient of diazinon or chlorpyrifos and 50% or less by weight of a diluent and a wall substance having 10 to 30% by weight of a polycationic water-soluble nitrogen-containing compound and 10% by weight or less of a hardener, said composition further containing 0.25-5% by weight of a coagulation-preventing agent of noionic surfactant and 5 to 30% by weight of water-soluble thickener, said percentages being based on the weight of the composition.
1 Assignment
0 Petitions
Accused Products
Abstract
An insecticidal composition which contains microcapsules whose core substance is made of 20-85% by weight of an insecticidal ingredient of diazinon or chlorpyrifos and 50% or less by weight of a diluent and wall material made of 10-30% by weight of polycathionic water-soluble nitrogen-containing compound and 10% by weight or less of a hardener. The microcapsules may be mixed with coagulation-preventing agent of non-ionic surfactant and water-soluble thickener and then may be shaped into granules.
-
Citations
9 Claims
- 1. An insecticidal composition containing microcapsules each of which comprises a core substance having 20 to 85% by weight of an insecticidal ingredient of diazinon or chlorpyrifos and 50% or less by weight of a diluent and a wall substance having 10 to 30% by weight of a polycationic water-soluble nitrogen-containing compound and 10% by weight or less of a hardener, said composition further containing 0.25-5% by weight of a coagulation-preventing agent of noionic surfactant and 5 to 30% by weight of water-soluble thickener, said percentages being based on the weight of the composition.
Specification