Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2000-04-20
2001-04-17
Robinson, Allen J. (Department: 1616)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S471000
Reexamination Certificate
active
06218422
ABSTRACT:
FIELD OF THE INVENTION
The instant invention relates to compositions which may be utilized to control cockroaches.
BACKGROUND OF THE INVENTION
Various compounds and compositions have been utilized to control cockroaches, but such compounds and compositions have failed to provide effective control of cockroaches.
U.S. Pat. No. 5,532,365 discloses 1-methyl-2-nitro-3-[(3-tetrahydrofuryl)methyl]guanidine as a compound which controls insects. The pesticide Manual, 10
th
ed. (pg. 968-971, published by British Crop Protection Council) discloses 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate as a an active ingredient of insecticides.
SUMMARY OF THE INVENTION
The instant invention provides compositions comprising 1-methyl-2-nitro-3-[(3-tetrahydrofuryl)methyl]guanidine and 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate. Additionally, the instant invention provides methods of controlling cockroaches comprising applying to a cockroach or to a locus of where cockroaches inhabit, 1-methyl-2-nitro-3-[(3-tetrahydrofuryl)methyl]guanidine and 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate.
DETAILED DESCRIPTION OF THE INVENTION
1-Methyl-2-nitro-3-[(3-tetrahydrofuryl)methyl]guanidine and 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate which are present in the compositions typically act as active ingredients therein. The compositions typically comprise such active ingredients so that the total amount of 1-methyl-2-nitro-3-[(3-tetrahydrofuryl)methyl]guanidine and 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate is from 0.005 to 50% by weight, wherein said percentage by weight is based on the total weight of the provided composition. In this regard, when the compositions are utilized to control cockroaches, the total amount of the active ingredients therein is typically an amount which is effective to control cockroaches. Further, the compositions typically comprise the active ingredients so that the weight-to-weight ratio of 1 -methyl-2-nitro-3-[(3-tetrahydrofuryl)methyl]guanidine to 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate is from 99:1 to 1:99, preferably 9:1 to 1:9, more preferably 3:1 to 1:3. Such weight-to-weight ratios in the compositions can vary, but when said compositions are utilized to control a cockroach, said compositions generally have a sufficient weight-to-weight ratio of 1-methyl-2-nitro-3-[(3-tetrahydrofuryl)methyl]guanidine to 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate therein to provide a synergistic control over cockroaches.
Since the compositions can contain various active isomers of 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate, active stereoisomers of 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate or mixtures thereof can be utilized in the instant invention, if so desired. Examples of such stereoisomers of 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate which can be utilized in the instant invention include 3,4,5,6-tetrahydrophthalimidomethyl (1RS)-cis,trans-chrysanthemate (common name: tetramethrin), 3,4,5,6-tetrhydrophthalimidomethyl(1R)-cis,trans-chrysanthemate,3,4,5,6-tetrahydrophthalimidomethyl (1R)-trans-chrysanthemate and the like.
The compositions of the instant invention are typically formulated as suitable formulations of 1-methyl-2-nitro-3-[(3-tetrahydrofuryl)methyl]guanidine and 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate. Examples of such formulations of the compositions include liquid formulations, dusts, wettable powders, granules, paste formulations, microencapsulated formulations, foaming formulations, aerosols, liquid carbon dioxide solution formulations, tablets, poison baits, smoking formulations, fogging formulations, sheet formulations, resin formulations and the like. Examples of the liquid formulations of the compositions include emulsifiable concentrates, oil formulations, suspensible concentrates and the like.
Such formulations of the compositions can be produced by commonly known formulating procedures. For example, a formulation of the instant invention can be produced by mixing together 1-methyl-2-nitro-3-[(3-tetrahydrofuryl)methyl]guanidine and 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate and optionally adding thereto or mixing therewith formulation auxiliaries, carriers or the like. Based on the formulation type of the compositions, said formulations may also be produced by providing such a mixture in a suitable form, if so desired. As such, the formulations of the compositions may contain 1-methyl-2-nitro-3-[(3-tetrahydrofuryl)methyl]guanidine and 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate without additional components, but can also contain a carrier, a formulation auxiliary or the like.
Examples of formulation auxiliaries which can be utilized in the instant invention include emulsifiers, dispersing agents such as a lignin sulfonate salt and methylcellulose, adhesive agents such as carboxymethylcellulose, gum arabic, polyvinyl alcohol and polyvinyl acetate, coloring agents such as iron oxide, titanium oxide, Persian blue, alizarine dye, azo dye and phthalocyanine dye and the like. Examples of the emulsifiers which can be utilized in the instant invention include ionic emulsifiers such as an alkylsulfonate salt, alkylsulfate salt and arylsulfonate salt, nonionic emulsifiers such as a polyoxyethylene fatty acid ester, polyoxyethylenealkylaryl ether, polyoxyethylene fatty acid alcohol ether and the like.
The compositions of the instant invention generally utilize therein a carrier selected form a solid carrier, a liquid carrier and a propellant, when present.
Examples of solid carriers which can be utilized in the compositions include gelatin, vaseline, methylcellulose, lanolin, lard, natural-occurring or synthetic minerals such as clay, kaolin, talc, bentonite, sericite, quartz, sulfur, activated carbon, calcium carbonate, diatomaceous earth, pumice stone, calcite, meerschaum, dolomite, silica, alumina, vermiculite and perlite, fine granules such as granulated sawdust, corncob, coconut shell and tobacco stems and the like.
Examples of liquid carriers which can be utilized in the compositions include liquid paraffins, aromatic or aliphatic hydrocarbons such as xylene, toluene, alkylnaphthalene, phenylxylylethane, kerosene, gas oils, hexane and cyclohexane, halogenated hydrocarbons such as chlorobenzene, dichloromethane, dichloroethane and trichloroethane, alcohols such as methanol, ethanol, isopropyl alcohol, butanol, hexanol and ethylene glycol, ethers such as diethyl ether, ethylene glycol dimethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propylene glycol monomethyl ether, tetrahydrofuran and dioxane, esters such as ethyl acetate and butyl acetate, ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone and cyclohexanone, nitrites such as acetonitrile and isobutyronitrile, amides such as N,N-dimethylformamide and N,N-dimethylacetamide, botanical oils such as soybean oil and cotton seed oil, botanical essential oils such as orange oil, hyssop oil and lemon oil, water, sulfoxides such as dimethyl sulfoxide and the like.
Examples of propellants which can be utilized in the compositions include propane gas, butane gas, flon gas, liquefied petroleum gas (LPG), dimethyl ether, carbonate gas and the like. By utilizing the propellant in the compositions, the compositions may be formulated into foaming formulations, aerosols and the like.
When formulating the compositions as poison baits, said poison bait can additionally contain a bait ingredient, anti-oxidant, preservative, agent for averting unintentional child or pet ingestion of the poison bait, cockroach attractant fragrance or the like. Examples of bait ingredients which can be utilized in said poison baits include powdered crop, botanical oil, sugar, crystallized cellulose and the like. Examples of anti-oxidants which can be utilized in said poison baits include dibutylhydroxytoluene, nordihydroguaiaretic acid and the like. As an example of a preservative which can be utilized in
Birch & Stewart Kolasch & Birch, LLP
Robinson Allen J.
Sumitomo Chemical Company Limited
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