Chemically stable, insecticidally active...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Phosphorus containing other than solely as part of an...

Reexamination Certificate

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Details

C424S405000, C424S408000

Reexamination Certificate

active

07919482

ABSTRACT:
Chemically stable, insecticidally active pellets having a low moisture content and at least about 95% active ingredient are described, as well as a method for manufacturing them. The active ingredient is selected from a class of N-hydrocarboyl phosphoroamidothioate and phosphoroamidodithioate compounds as described in the specification. The pellets generally have a moisture content of about 0.5% by weight or less, preferably less than about 0.3% by weight. The pellets can be produced by one of two types of processes as described in detail, including a high pressure axial extrusion process and a low pressure basket extrusion process.

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James A. Polon, Formulation of Presidential Dusts, Wettable Powders and Granules, 1973, Pesticide Formulation, 14 pages.

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