DISPENSER FOR COCKROACH CONTROL

1436075 Dispenser for insect control HERCULITE PROTECTIVE FABRICS CORP 24 Sept 1974 [25 Sept 1973] 41474/74 Heading A5E A dispenser for insecticidal agents effective against cockroaches and other insects comprises a laminated polymeric article comprising a first outer layer, at least one core layer,...

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Format: Patent
Sprache:eng
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Zusammenfassung:1436075 Dispenser for insect control HERCULITE PROTECTIVE FABRICS CORP 24 Sept 1974 [25 Sept 1973] 41474/74 Heading A5E A dispenser for insecticidal agents effective against cockroaches and other insects comprises a laminated polymeric article comprising a first outer layer, at least one core layer, and a second outer layer, the core layer comprising a solid, non-porous layer of polymeric material selected from polyethylene, polypropylene and polyvinylchloride, and containing an anticockroach agent selected from chlorpyrifos, diazinon, ohlordane, carboxyl, proposcus, malathion, bioresmethrin, and penchlorphos, and mixtures thereof, the first outer layer being a polymer selected from polyethylene, polypropylene and polyvinylchloride, through which the agent is capable of migrating from the core layer to provide an effective level of the agent on the exposed surface of the outer layer, the agent being present in an amount of at least 10% by wt of the total weight of the laminate. The second layer may be comprised of the same material as the first layer or a material Which acts as a -barrier to migration of the agent e.g. nylon or polyester. It is preferred that the dispenser have a first outer layer thickness of .001-0.10", core thickness of .002-.020" and a total thickness of up to .030".