Insecticidal composition comprising diazinon and process for the

Details Insecticidal composition comprising diazinon and process for the Insecticidal composition comprising diazinon and process for the

1987-07-29

1989-07-25

Dixon, Jr., William R.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

424404, 424407, 424408, 424409, 424417, 424418, A61K 950

Patent

active

048512273

ABSTRACT:
The invention provides an insecticidal composition comprising Diazinon ensulated in microcapsules, the microcapsules having an encapsulating wall formed essentially from the reaction product of toluene diisocyanate and a polyfunctional amine, and further provides a process for encapsulating Diazinon in a microcapsular formulation comprising providing an aqueous phase containing a non-basic emulsifier, providing an organic phase containing toluene diisocyanate and Diazinon, combining the aqueous and organic phase to form an oil in water emulsion, and adding an aqueous solution of a polyfunctional amine with agitation to the emulsion, whereby the amine reacts with the toluene diisocyanate to form microcapsular envelopes about the Diazinon material.

REFERENCES:
patent: 4107292 (1978-08-01), Demeth
patent: 4670246 (1987-06-01), Dahl et al.

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