Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Ortho-hydroxybenzoic acid or derivative doai
Patent
1987-03-27
1989-01-24
Robinson, Allen J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Ortho-hydroxybenzoic acid or derivative doai
A01N 3736
Patent
active
048001961
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to new acaricides and mite proof materials.
BACKGROUND ART
There are certainly some kinds of mites in a house dust of general houses and in recent years, frequent breeding of mites has been observed according to change of houses and life style. Hitherto, there have been known some kinds of acaricides for mites in a house dust, for example, phosphorated compounds such as phenitrothione, phenthione, DDVP and diazinon, carbamated compounds such as propoxer and NAC and the pyrethroided compounds such as dl,d-T80-resmethrin.
These known acaricides, which are used by being supported in a tatami, a carpet or an insect control paper or scattered or sprayed as they are, have such problems as the following: the acaricides of phosphorated compounds have high toxicity, bad smell and low effect on Epidermoptidae, those of carbamated compounds also have high toxicity and low effect on Epidermoptidae, those of pyrethroided compounds are expensive and have low effect on Tyrophagus putrescentiae, and it is difficult to use the above acaricides in combination with one another.
DISCLOSURE OF THE INVENTION
As a result of various studies for providing an inexpensive acaricide having low toxicity and wide range of prevention of mites in a house dust, the following compounds are found to satisfy the above conditions: phenyl salicylate, diphenylamine, methyl .beta.-naphthyl ketone, coumarin, phenetyl benzoate, benzyl salicylate, N-fluorodichloromethyl-thio-cyclohexene-dicarboxyimide, p-nitrobenzoic acid methyl ester, p-chlorometaxylenol, .alpha.-bromocinnamic aldehyde, 2,5-dichloro-4-bromophenol, N,N-dimethyl-N'-tryl-N'-(fluorodichloromethylthio)-sulfamide, 2-phenyl-phenol, sodium 2-phenyl-phenolate, 5-chloro-2-methyl-4-isothiazoline-3-one, 2-methyl-4-isothioazoline-3-one and benzimidazolyl methyl-carbamate.
Thus, the present invention relates to acaricides characterized by containing at least one member selected from N-fluorodichloromethyl-thio-cyclohexene-dicarboximide, p-nitrobenzoic acid methyl ester, p-chlorometaxylenol, .alpha.-bromocinnamic aldehyde, phenyl salicylate, phenyl benzoate, diphenylamine, methyl .beta.-naphthyl ketone, coumarin, phenethyl benzoate, benzyl salicylate, 2,5-dichloro-4-bromophenol, N,N-dimethyl-N'-tryl-N'-(fluorodichloromethylthio)-sulfamide, 2-phenylphenol, sodium 2-phenyl-phenolate, 5-chloro-2-methyl-4-isothiazoline-3-one, 2-methyl-4-isothiazoline-3-one and benzimidazolyl methyl-carbamate as an active ingredient and mite proof materials characterized by supporting these acaricides in substrates.
BEST MODE FOR CARRYING OUT THE INVENTION
The acaricides of the present invention have superior effects on prevention of mites by containing at least one member selected from N-fluorodichloromethylthio-cyclohexene-dicarboximide (NFC), p-nitrobenzoic acid methyl ester (NBA), p-chlorometaxylenol (PCMX), .alpha.-bromocinnamic aldehyde (BCA), phenyl salicylate (PS), phenyl benzoate (PB'), diphenylamine (DA), methyl .beta.-naphthyl ketone (MNK), coumarin (CM), benzyl salicylate (BS), phenetyl benzoate (PB), 2,5-dichloro-4-bromophenol (CBP), N,N-dimethyl-N'-tryl-N'-(fluorodichloromethylthio)-sulfamide (TFS), 2-phenyl-phenol (OPP), sodium 2-phenyl-phenolate (SPP), 5-chloro-2-methyl-4-isothiazoline-3-one (CIO), 2-methyl-4-isothiazoline-3-one (MIO) and benzimidazolyl methyl-carbamate (BIC).
The acaricides can be applicable to any kind of mites existing in a house. Further, particular examples of the mites to which the acaricides are applicable are Epidermoptidae such as Dermatophagoides farinae and Dermatophagoides pteronyssinus, Acaridae such as Tryophagus putrescentiae and Aleuroglyphus ovatus, Glycyphagidae such as Glycyphagus privatus and Glycyphagus domesticus, Tarsonemidae, Cheyletidae such as Cheyletus malaccensis and Cheyletus fortis and animal paracitic mites such as Ornithonyssus bacoti and Ornithonyssus sylviarum.
When the acaricides of the present invention are employed, the compositions containing the above-mentioned active ingredients can be used
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Aoki Shigemasa
Nishimura Akira
Nomura Yoshiharu
Earth Chemical Co., Ltd.
Robinson Allen J.
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