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Insecticidal compositions

  • US 4,696,822 A
  • Filed: 06/21/1985
  • Issued: 09/29/1987
  • Est. Priority Date: 07/09/1984
  • Status: Expired due to Fees
First Claim
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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.

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