Drug – bio-affecting and body treating compositions – Baits – attractants – or lures
Reexamination Certificate
1999-04-07
2002-03-05
Pak, John (Department: 1616)
Drug, bio-affecting and body treating compositions
Baits, attractants, or lures
C424S405000, C514S054000, C514S132000, C514S738000, C514S777000, C514S782000, C514S944000
Reexamination Certificate
active
06352693
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to poison bait compositions that control pests and to methods of controlling pests.
BACKGROUND OF THE INVENTION
Poison bait compositions are well known as being useful in controlling pests such as cockroaches, ants and the like. Such poison bait compositions typically contain an edible composition that provides control over the pest after said pest has ingested the poison bait. Since the poison bait compositions also generally contain a pesticidal compound, there is typically a greater pest controlling activity associated with said baits when large quantities of pests ingest said baits, and conversely a smaller pest controlling activity when a smaller quantity of pests ingest said baits.
WO 91-7972, describes an insect bait that comprises carrageenan as an insect attractant. The insect bait set forth in said description, however, is deficient in that said insect bait fails to control a sufficient amount of pests when the employed to control pests.
SUMMARY OF THE INVENTION
The present invention provides for a poison bait composition that can serve to effectively control large quantities of pests, including cockroaches, ants and the like. Specifically, such pests are brought under control after the poison bait composition has been employed to control pests, based on the superior pest controlling activity of the poison bait. More specifically, by having a large quantity of pests ingest effective amounts of the poison bait of the present invention, a pesticidally active ingredient in the poison bait results in a superior pest controlling activity over objective pests.
A poison bait of the present invention comprises (1) a pesticidally active ingredient, (2) a carrageenan and (3) glycerin, and may further comprise optional ingredients such as fats, fatty oils, powdered crops, dextrin, sugars, synergists, other additive ingredients well known to those skilled in the art, and mixtures thereof.
The pesticidally active ingredient, carrageenan and glycerin components of the inventive poison bait compositions generally provide the poison bait compositions of the present invention with the ability to provide superior control over objective pests, over which control is desired. As such, the poison bait compositions of the present invention are also useful in allowing the Inventor to provide an advantageous method of controlling objective pests.
DETAILED DESCRIPTION OF THE INVENTION
The poison bait compositions of the present invention comprise (1) a pesticidally active ingredient, (2) a carrageenan, and (3) glycerin, and optionally therewith may contain synergistic agent(s), powdered crops, dextrin, sugars, fats and/or fatty oils, and other additives typically used by those skilled in the art (such as those disclosed hereinbelow), and mixtures thereof
The pesticidally effective amount of the pesticidally active ingredient that is present in the poison bait compositions of the present invention depends on the specific type of said pesticidally active ingredient used in the poison bait compositions, but generally the amount of the pesticidally active ingredient in the provided poison bait composition is from about 0.05% to 10% by weight, based on the total weight of the provided poison bait composition. Typical examples of the pesticidally active ingredient include, pyrethroid compounds, organophosphorus compounds, carbamate compounds, N-aryldiazole compounds, hydrazone compounds, sulfonamide compounds, naturally occurring pesticidal compounds, boric acids, juvenile hormone analogues, chitin synthesis inhibitors, and the like.
Exemplarily of the variety of pesticidally active compounds that may be used in the present inventive poison bait compositions are the following: 5-benzyl-3-furylmethyl chrynsathemate, 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemate, 3-phenoxybenzyl chrysanthemate, 3-phenoxybenzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate, 2-methyl4-oxo-3-(2-propenyl)cyclopent-2-enyl chrysanthemate, 2-methyl-4-oxo-3-(2-propynyl)cyclopent-2-enyl chrysanthemate, 2-methyl-4-oxo-3-(2-propenyl)cyclopent-2-enyl 2,2,3,3-tetramethylcyclopropanecarboxylate, 1-ethynyl-2-methyl-2-pentenyl chrysanthemate, 2,3,5,6-tetrafluorobenzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate, 2,3,5,6-tetrafluoro-4-methylbenzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate, &agr;-cyano-3-phenoxybenzyl chrysanthemate, &agr;cyano-3-phenoxybenzyl 2,2-dimethyl-3-(1,2,2,2-tetrabromoethyl)cyclopropanecarboxylate, &agr;-cyano-3-phenoxybenzyl 2-(4-chlorophenyl)-3-methylbutyrate, &agr;-cyano-3 -phenoxybenzyl 2,2,3,3-tetramethylcyclopropanecarboxylate, &agr;-cyano-3-phenoxybenzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate, &agr;-cyano-3 -phenoxybenzyl 2-(2-chloro-4-trifluoroanilino)-3-methylbutyrate, 2-(4-ethoxyphenyl)-2-methylpropyl 3-phenoxybenzyl ether, O,O-dimethyl O-(3-methyl-4-nitrophenyl) phosphorothioate (fenitrothion), 2,2-dichlorovinyl dimethyl phosphate, O,O-diethyl O-(2-isopropyl-6-methyl-4-pyrimidinyl) phosphorothioate, (E)-O-2-isopropoxycarbonyl-1-methylvinyl O-methyl ethylphosphoroamidothioate, O,O-diethyl O-(3,5,6-trichloro-2-pyridyl) phosphorothioate, O,O-dimethyl O-(3,5,6-trichloro-2-pyridyl) phosphorothioate, S-6-chloro-2,3-dihydro-2-oxo-1,3-oxazolo[4,5-b]pyridin-3-ylmethl O,O-dimethyl phophorothioate, 5-methoxy-3-(2-methoxyphenyl)-1,3,4-oxadiazol-2(3 H)-one, 2-(1-methylethoxy)phenyl methylcarbamate, 1-naphthyl methylcarbamate, 4-(2-bromo-1,1,2,2-tetrafluoroethyl)-1-(3-chloro-5-trifluoromethylpyridin-2-yl)-2-methylimidazole, tetrahydro-5,5-dimethyl-2(1H)-pyrimidinone[[3-(trifluoromethyl)phenyl]-1-[2-[4-(trifluoromethyl)phenyl]ethenyl]-2-propenylidene]hydrazone, N-ethyl perfluoro-octanesulfonamide, abamectine, boric acid, 2-[1-methyl-2-(4-phenoxyphenoxy)ethoxy]pyridine, isopropyl 11-methoxy-3,7,11-trimethyldodeca-2,4-dienonate, ethyl 3,7,11-trimethyldodeca-2,4-dienonate, 1-(4-chlorophenyl)-3-(2,6-difluorobenzoyl)urea, 1-(3,5-dichloro-2,4-difluorophenyl)-3-(2,6-difluorobenzoyl)urea, 1-(4-trifluoromethoxyphenyl)-3-(2-fluorobenzoyl)urea, N-cyclopropyl-1,3,5-triazine-2,4,6-triamine, 2-t-butylimino-3-isopropyl-5-phenylperhydro-1,3,5-thiadiazin-4-one, and active isomers thereof.
The poison bait compositions of the present invention also comprise a carrageenan therein in an amount from about 1% to 10% by weight, based on the total weight of the provided poison bait composition. The carrageenan is preferably a galactan, and more preferably comprises a sulfate group. Such carrageenans are typically products that can be extracted from plants such as Rhodophyceae. In addition, the poison bait compositions of the present invention may comprise various forms of the carrageenan component therein, such as commercially available kappa (&kgr;), lambda (&lgr;) and iota (&igr;) isomers. Even so, it is preferable that a poison bait composition of the present invention comprise a &kgr;-carrageenan isomer as the carrageenan, since it is believed that a larger quantity of pests will ingest a pesticidally effective amount of said poison bait composition, when said compositions comprise a &kgr;-carrageenan.
A poison bait composition of the present invention also comprises glycerin, preferably in an amount from about 1% to 10% by weight, based on the total weight of the poison bait composition. The glycerin can be a commercially available glycerin, if so desired, and when chosen as such, can be utilized without further purification.
If so desired, the poison bait compositions of the present invention may optionally comprise fats, fatty oils, powdered crops, dextrin, sugars or mixtures thereof, such that the total amount of such ingredients in the provided poison bait composition is from about 40% to 85% by weight, based on the total weight of the poison bait composition. The fats utilized in the present invention are aliphatic hydrocarbons that are typically in a solid phase at room temperature, whereas the fatty oils utilized in the present invention are typical
Pak John
Sumitomo Chemical Company Limited
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