Patent US5271485A successfully refreshed from Google Patents.
Patent EP0134674A1 successfully refreshed from Google Patents.
EP0134674A1
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Pesticide compositions
Assignee: Aventis Cropscience Usa Inc rhone-Poulenc Basic C
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Filing: 1984-07-18
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Granted: —
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Expires: 2004-07-18
Abstract
Abstract Pesticide compositions comprising a microencapsulated lipophilic pesticide, a hydrophilic surfactant and water show reduced dermal toxicity. The hydrophilic surfactant has an HLB of from 17 to 20. Methods for making such compositions and their use in controlling insects are described.
Inventors
- 👤 Herbert Benson Scher
- 👤 Marius Rodson
- 👤 Ronald Lee Morgan
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 09:42
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/32; A01N25/26; A01N25/28; A01N57/00; A01N57/18; A01N57/22
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
43 words
A pesticide composition comprising: (a) a dermally toxic pesticide compound; (b) a microcapsule comprised of a polymer wall said dermally toxic pesticide compound substantially contained within said polymer wall; (c) a hydrophilic surfactant having an HLB from 17 to 20; and (d) water.
Claim 2
Dependent Claim
43 words
A pesticide composition comprising: (a) a dermally toxic pesticide compound; (b) a microcapsule comprised of a polymer wall said dermally toxic pesticide compound substantially contained within said polymer wall; (c) a hydrophilic surfactant having an HLB from 17 to 20; and (d) water.
Claim 3
Dependent Claim
19 words
A pesticide composition as claimed in claim 1 characterised in that the dermally toxic pesticide is an organophosphate pesticide.
Claim 4
Dependent Claim
22 words
A pesticide composition as claimed in claim 2 characterised in that the organophosphate pesticide compound is selected from phosphonates, thiophosphonates and pyrethroids.
Claim 5
Dependent Claim
121 words
A pesticide composition as claimed in claim 3 characterised in that the organophosphorus pesticide compound comprises those of the formula: in which X is oxygen or sulfur; and R, R 1 and R 2 are independently selected from the group consisting of C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C l -C 6 alkylthio, C 2 -C 6 alkenyl, C 2 -C 6 alkenoxy, C 2 -C 6 alkenylthio, phenyl, phenoxy, phenyl- thio , C7-C9 phenylalkyl, C7 - C9 p h enylalkoxy, and C 7 - C 9 phenylalkylthio, wherein each member of such group optionally substituted with up to three substituents selected from halogen, C 1 -C 4 alkyl, C l -C 4 alkoxy, cyano, and nitro.
Claim 6
Dependent Claim
121 words
A pesticide as claimed in claim 3 characterised in that the organophosphorus pesticide compound comprises those of the formula: in which X is oxygen or sulfur; and R, R 1 and R 2 are independently selected from the group consisting of C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 1 -C 6 alk y lthio, C 2 -C 6 alkenyl, C 2 -C 6 alkenoxy, C 2 -C 6 alkenylthio, phenyl, phenoxy, phenylthio, C 7 -C 9 phenylalkyl, C 7 -C 9 phenylalkoxy, and C 7 -C 9 phenylalkylthio, wherein each member of such group optionally substituted with up to three substituents selected from halogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, cyano, and nitro.
Claim 7
Dependent Claim
56 words
A pesticide composition as claimed in claim 3 characterised in that the organophosphorus pesticide compound comprises those of the formula: in which R 3 and R 4 are selected from the group consisting of methyl and ethyl and Y is selected from the group consisting of hydrogen and alkyl groups having up to 4 carbon atoms.
Claim 8
Dependent Claim
16 words
An insecticidal composition as claimed in claim 6 characterised in that the organophosphate compound is 0-ethyl-S-phenyl-ethylphosphonodithioate.
Claim 9
Dependent Claim
25 words
A composition as claimed in any of claims 1 to 7 characterised in that the surfactant is an alkylphenoxy poly(ethyleneoxy)ethanol or a dialkylphenoxy poly(ethylene- oxy)ethanol.
Claim 10
Dependent Claim
27 words
A composition as claimed in claim 8 characterised in that the surfactant has the formula: and n is 1 or 2; or the formula: or the formula:
Claim 11
Dependent Claim
27 words
A composition as claimed in any of claims 1 to 9 characterised in that the surfactant comprises between 0.1% and 10% on a weight basisof said composition.
Claim 12
Dependent Claim
29 words
A composition as claimed in any of claims 1 to 10 characterised in that the organophosphate compound comprises between 0.1% and 75% on a weight basis of said composition.
Claim 13
Dependent Claim
23 words
A composition as claimed in claim 11 characterised in that the organophosphate compound comprises approximately 54% on a weight basis of said composition.
Claim 14
Dependent Claim
26 words
A composition as claimed in any of claims 1 to 12 characterised in that water comprises at least 20% on a weight basis of said composition.
Claim 15
Dependent Claim
21 words
A composition as claimed in any of claims 1 to 13 characterised in that the polymer wall comprises a polyurea polymer.
Claim 16
Dependent Claim
34 words
A composition as claimed in claim 14 characterised in that the polyurea polymer comprises between 2% and 50% preferably 2.5% to 10%, in particular 5% to 6.5% on a weight basis of said microcapsule.
Claim 17
Independent Claim
54 words
A method of reducing dermal toxicity to a mammal exposed to a microencapsulated dermally toxic pesticide compound comprising the steps of adding to said microencapsulated dermally toxic compound an amount of a hydrophilic surfactant having an HLB of from 17 to 20 sufficient to reduce the dermal toxicity of said microencapsulated dermally toxic compound.
Claim 18
Independent Claim
54 words
A method of reducing dermal toxicity to a mammal exposed to a microencapsulated dermally toxic pesticide compound comprising the steps of adding to said microencapsulated dermally toxic compound an amount of a hydrophilic surfactant having an HLB of from 17 to 20 sufficient to reduce the dermal toxicity of said microencapsulated dermally toxic compound.
Claim 19
Dependent Claim
17 words
A method as claimed in claim 16 characterised in that the dermally toxic compound is 0-ethyl-S-phenyl-ethyl phosphonodithioate.
Claim 20
Independent Claim
171 words
The method of controlling an insect pest comprising applying to the locus where said insect pest is found during some part of its life cycle an insecticidally effective amount of an insecticidal composition comprising: (a) an organophosphate compound having the formula: in which X is oxygen or sulfur; and R, R 1 and R 2 are independently selected from the group consisting of C 1 -C 6 alkyl, C 1 -C a alkoxy, C 1 -C a alkylthio, C 2 -C 6 alkenyl, C 2 -C 6 alkenoxy, C 2 -C 6 alkenylthio, phenyl, phenoxy, phenylthio, C 7 =C 9 phenylalkyl, C 7 -C 9 phenylalkoxy, and C 7 -C 9 phenylalkylthio, each member of such group optionally substituted with up to three substituents selected from halogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, cyano, and nitro; (b) a microcapsule comprised of a polymer wall said organophosphate compound substantially contained within said polymer wall; (c) a surfactant having an HLB of from 17 to 20 and (d) water.
Claim 21
Independent Claim
171 words
The method of controlling an insect pest comprising applying to the locus where said insect pest is found during some part of its life cycle an insecticidally effective amount of an insecticidal composition comprising: (a) an organophosphate compound having the formula: in which X is oxygen or sulfur; and R, R 1 and R 2 are independently selected from the group consisting of C 1 -C 6 alkyl, C 1 -C a alkoxy, C 1 -C a alkylthio, C 2 -C 6 alkenyl, C 2 -C 6 alkenoxy, C 2 -C 6 alkenylthio, phenyl, phenoxy, phenylthio, C 7 =C 9 phenylalkyl, C 7 -C 9 phenylalkoxy, and C 7 -C 9 phenylalkylthio, each member of such group optionally substituted with up to three substituents selected from halogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, cyano, and nitro; (b) a microcapsule comprised of a polymer wall said organophosphate compound substantially contained within said polymer wall; (c) a surfactant having an HLB of from 17 to 20 and (d) water.
Claim 22
Dependent Claim
16 words
A method as claimed in claim 18 characterised in that the organophosphate compound is 0-ethyl-S-phenyl-ethyl phosphonodithioate.
References Cited (Backward Citations)
US4285720A
Cited
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