Method for producing insect-combatting device

Drug – bio-affecting and body treating compositions – Solid synthetic organic polymer as designated organic active... – Polymer from ethylenic monomers only

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424225, A61K 3174, A01N 936

Patent

active

041349776

ABSTRACT:
An improved method for the formation of naled-containing synthetic resin shaped bodies is disclosed. A mixture of a synthetic resin, naled, and a surface porosity control component is extruded in the presence of an acid-resistant material (e.g., nickel or nickel alloys or the like). Other insecticides (e.g., carbamates) may also be included in the naled-containing mixture, if desired. The resulting extrudates are useful as pet collars or the like and are formed without substantial degradation of the naled as has been found to occur in attempts to extrude in the presence of carbon steel.

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patent: 3630446 (1968-12-01), Roth et al.
patent: 3852416 (1974-12-01), Grubb et al.
patent: 3966902 (1976-06-01), Chromecek

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