Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Biocides; animal or insect repellents or attractants
Reexamination Certificate
1999-07-08
2001-10-02
Levy, Neil S. (Department: 1616)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Biocides; animal or insect repellents or attractants
C424S405000, C424S413000, C424S411000, C424S416000, C424SDIG001, C043S109000, C514S919000
Reexamination Certificate
active
06296866
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a new device which may be used for insecticidal and/or insect repellent treatment within human dwellings and, more particularly, for such treatments in confined spaces against clothes moths.
2. Description of the Prior Art
Articles for the release of volatile substances, such as deodorizers, insecticides, repellents and the like are known.
Hyman discloses, in U.S. Pat. No. 4,161,283, U.S. Pat. No. 4,285,468 and European Patent Application No. 0 019 010, devices formed from opposed outer and inner wall members joined along their peripheral portions to define a central reservoir portion for receiving and confining a volatile substance. The inner and outer wall members contain a liquid non-porous but gas permeable flexible polymeric sheet material having an impermeable barrier layer releasably bonded to the outer surfaces thereof.
Sullivan et al discloses, in U.S. Pat. No. 4,158,440, a device for releasing a volatile substance into the environment in a controlled manner. The device includes a permeable envelope portion having a greater affinity for the volatile substance than the reservoir material.
Hennart et al discloses, in French Patent Publication No. 2,075,314, an apparatus for the diffusion of insecticide. The apparatus is made by impregnating a fibrous substance with an insecticide solution and dipping it into a molten outer-layer mixture.
Hachiro discloses, in Japanese Patent Publication No. 2-252462, an apparatus for dissipating a volatile chemical. The apparatus includes storing volatile materials in separate chambers of thermoplastic synthetic resin.
Minier discloses, in French Patent Publication No. 2663507, discloses a parasite controlling device. The device comprises an element made of a wood having antiparasitic activity.
SUMMARY OF THE INVENTION
Accordingly, a major object of the present invention is the provision of a new device which can be used for insecticidal and/or insect repellent treatment within human dwellings and more particularly, for such treatments in confined spaces against moths.
The device according to the invention is characterized in that it includes:
a transparent plastic container in the form of a dish whose open face has a flat flange;
a plastic sheet (or membrane) impervious to liquids and permeable to vapors of essential oils at ambient temperature, this sheet being attached to a flat flange of the transparent container and adhering to this transparent container so as not to be capable of being grasped manually, and/or detached manually from the flat flange by pulling manually;
a protective cover sheet (or film) made of adhesive plastic, also arranged on the face of the transparent container which is provided with flat flanges, this sheet adhering to the above permeable sheet by adhesive bonding and being capable of being grasped manually and/or being detached from the flat flange by pulling manually;
an insecticidal and/or insect repellent composition, this composition being liquid or capable of evaporating completely at ambient temperature and having an insecticidal and/or insect repellent activity in the vapor state;
optionally, means for attaching and/or hanging the device and/or the transparent container; and
optionally, a cardboard package folded in two, so as to contain within it the flat edges and the two permeable and protective sheets, the transparent dish being visible and transparent outside this cardboard package.
Other objects, aspects, and advantages of the present invention will be pointed out in or will be understood from the following detailed description provided below in conjunction with the accompanying drawings.
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Jones Day Reavis & Pogue
Levy Neil S.
OMS Investments, Inc.
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