US4283415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil-in-Water insecticidal and acaricidal emulsion
Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1979-06-20
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Granted: 1981-08-11
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Expires: 1999-06-20
Abstract
Abstract An oil-in-water insecticidal and acaricidal emulsion comprising 1 to 50% by weight of as a hydrophobic insecticidally and acaricidally active liquid ingredient at least one ester of the formula (I): <IMAGE> (I) where X is a hydrogen atom, a chlorine atom, a bromine atom or a fluorine atom; and Y is a group of the formula: <IMAGE> where R1 is a methyl group or a group of the formula: <IMAGE> where R5 is a chlorine atom, a bromine atom, a fluorine atom or a methyl group; R2 is a hydrogen atom or a methyl group; R3 is a chlorine atom, a bromine atom, a fluorine atom or a tert-butyl group; and R4 is an isopropyl group or a cyclopropyl group; 2 to 10% by weight of polyvinyl alcohol or gum arabic; and 0.1 to 20% by weight of a thickener with the balance being water.
Inventors
- 👤 Hiroshi Fuyama
- 👤 Kozo Tsuji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:31
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/36; A01N37/38; A01N25/00; A01N25/02; A01N25/04; A01N53/00
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
149 words
An oil-in-water insecticidal and acaricidal emulsion comprising as a hydrophobic insecticidally and acaricidally active liquid ingredient 1 to 50% by weight of at least one ester of the formula (I): ##STR8## where X is a hydrogen atom, a chlorine atom, a bromine atom or a fluorine atom; and Y is a group of the formula: ##STR9## where R 1 is a methyl group or a group of the formula: ##STR10## where R 5 is a chlorine atom, a bromine atom, a fluorine atom or a methyl group; R 2 is a hydrogen atom or a methyl group; R 3 is a chlorine atom, a bromine atom, a fluorine atom or a tert-butyl group; and R 4 is an isopropyl group or a cyclopropyl group, 2 to 10% by weight of polyvinyl alcohol or gum arabic and 0.1 to 20% by weight of a thickener with the balance being water.
Claim 2
Dependent Claim
149 words
An oil-in-water insecticidal and acaricidal emulsion comprising as a hydrophobic insecticidally and acaricidally active liquid ingredient 1 to 50% by weight of at least one ester of the formula (I): ##STR8## where X is a hydrogen atom, a chlorine atom, a bromine atom or a fluorine atom; and Y is a group of the formula: ##STR9## where R 1 is a methyl group or a group of the formula: ##STR10## where R 5 is a chlorine atom, a bromine atom, a fluorine atom or a methyl group; R 2 is a hydrogen atom or a methyl group; R 3 is a chlorine atom, a bromine atom, a fluorine atom or a tert-butyl group; and R 4 is an isopropyl group or a cyclopropyl group, 2 to 10% by weight of polyvinyl alcohol or gum arabic and 0.1 to 20% by weight of a thickener with the balance being water.
Claim 3
Dependent Claim
41 words
The oil-in-water insecticidal and acaricidal emulsion of claim 1, which contains 1 to 40% by weight of a hydrophobic insecticidally and acaricidally active liquid ingredient comprising an ester of the formula (I) and 0.4 to 10% by weight of a thickener.
Claim 4
Dependent Claim
19 words
The oil-in-water insecticidal and acaricidal emulsion of claim 1, wherein the ester of the formula (I) is (±)-α-cyano-3-phenoxybenzyl (±)-2-(4-chlorophenyl)isovalerate.
Claim 5
Dependent Claim
19 words
The oil-in-water insecticidal and acaricidal emulsion of claim 1, wherein the ester of the formula (I) is α-cyano-3-phenoxybenzyl (+)-2-(4-chlorophenyl)isovalerate.
Claim 6
Dependent Claim
29 words
The oil-in-water insecticidal and acaricidal emulsion of claim 1, wherein the ester of the formula (I) is a mixture comprising more than 60% of (-)-α-cyano-3-phenoxybenzyl (+)-2-(4-chlorophenyl)isovalerate and (+)-α-cyano-3-phenoxybenzyl (-)-2-(4-chlorophenyl)isovalerate.
Claim 7
Dependent Claim
19 words
The oil-in-water insecticidal and acaricidal emulsion of claim 1, wherein the ester of the formula (I) is α-cyano-3-(4-bromophenoxy)benzyl 2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropanecarboxylate.
Claim 8
Dependent Claim
19 words
The oil-in-water insecticidal and acaricidal emulsion of claim 1, wherein the ester of the formula (I) is α-cyano-3-phenoxybenzyl chrysanthemate.
Claim 9
Dependent Claim
19 words
The oil-in-water insecticidal and acaricidal emulsion of claim 1, wherein the ester of the formula (I) is (±)-α-cyano-3-phenoxybenzyl (±)-cis,trans-2,2-dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylate
Claim 10
Dependent Claim
19 words
The oil-in-water insecticidal and acaricidal emulsion of claim 1, wherein the ester of the formula (I) is α-cyano-3-phenoxybenzyl (+)-cis,trans-2,2-dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylate.
Claim 11
Dependent Claim
19 words
The oil-in-water insecticidal and acaricidal emulsion of claim 1, wherein the ester of the formula (I) is α-cyano-3-phenoxybenzyl 2,2,3,3-tetramethylcyclopropanecarboxylate.
Claim 12
Dependent Claim
162 words
A method for the preparation of the oil-in-water insecticidal and acaricidal emulsion of claim 1, which comprises adding a hydrophobic insecticidally and acaricidally active liquid ingredient of the formula (I): ##STR11## where X is a hydrogen atom, a chlorine atom, a bromine atom or a fluorine atom; and Y is a group of the formula: ##STR12## where R 1 is a methyl group or a group of the formula: ##STR13## where R 5 is a chlorine atom, a bromine atom, a fluorine atom or a methyl group; R 2 is a hydrogen atom or a methyl group; R 3 is a chlorine atom, a bromine atom, a fluorine atom or a tert-butyl group; and R 4 is an isopropyl group or a cyclopropyl group, to an aqueous solution of polyvinyl alcohol or gum arabic, stirring the mixture while heating at 60° to 70° C. to form emulsified particles of the active ingredient, and then adding thereto a thickener to stabilize the emulsion.
Claim 13
Dependent Claim
31 words
A method for killing insects and acarids which comprises contacting said insects and acarids with an insecticidally and acaricidally effective amount of the oil-in-water insecticidal and acaricidal emulsion of claim 1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-08-10 | 1985-02-09 | 1985-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-10 | 1989-02-09 | 1989-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-10 | 1993-02-09 | 1993-08-11 | $7700.00 | Window Closed / Lapsed |