PESTICIDAL COMPOSITIONS

• US 20110189294A1
• Filed: 05/25/2009
• Published: 08/04/2011
• Est. Priority Date: 05/12/2008
• Status: Active Grant

• Current Assignee: Syngenta Crop Protection Incorporated (China National Chemical Corporation)
• Original Assignee: Syngenta Crop Protection Incorporated (China National Chemical Corporation)
• Inventors: Boykin, Roy, Cisneros, Jorge, Cush, Sarah Beth, Reynolds, Johnny D., Koon, Joshua, Hopkinson, Michael James, Peterson, Jennifer, Keiper, Jason
• Granted Patent: US 9,770,021 B2
• Time in Patent Office: Days
• US Class Current: 424/489
• CPC Class Codes: A01N 2300/00 Combinations or mixtures of active ingredients covered by classes A01N27/00 - A01N65/48 with other active or formulation relevant ingredients, e.g. specific carrier materials or surfactants, covered by classes A01N25/00 - A01N65/48
• CPC Class Codes: A01N 25/04 Dispersions, emulsions, suspoemulsions, suspension concentrates or gels foams A01N25/16
• CPC Class Codes: A01N 25/30 characterised by the surfactants
• CPC Class Codes: A01N 37/38 having at least one oxygen or sulfur atom attached to an aromatic ring system
• CPC Class Codes: A01N 43/56 1,2-Diazoles; Hydrogenated 1,2-diazoles
• CPC Class Codes: A01N 43/90 having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
• CPC Class Codes: A01N 47/34 containing the groups , e.g. biuret; Thio analogues thereof; Urea-aldehyde condensation products
• CPC Class Codes: A01N 51/00 Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
• CPC Class Codes: A01N 53/00 Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
• CPC Class Codes: A01N 57/12 containing acyclic or cycloaliphatic radicals

Abstract

A formulated composition suitable for controlling or preventing pathogenic damage in a plant comprising (A) at least one solid active ingredient having a water solubility of at most 100 μg/litre at 25° C. at neutral pH, in an amount of at least 1 weight %, based on the total weight of the formulated composition, (B) at least one non-ionic surface active compound having a hydrophile-lipophile balance (HLB) of between 10 and 18, one or more customary formulation auxiliaries, and water; wherein active ingredient (A) is suspended or dispersed in the water, the weight ratio of surface active compound (B) to active ingredient (A) is in the range of from 1.5 to 15.0, provided the minimum amount of surface active compound (B) is at least 6 weight %, based on the total weight of the formulated composition. Also a method of improving pesticide residue levels in agriculture.

Claims

1. An aqueous agrochemical pesticide formulated composition comprising (A) at least one solid active ingredient having a water solubility of at most 100 μ

g/litre at 25°

C. at neutral pH, in an amount of at least 1 weight %, based on the total weight of the formulated composition, (B) at least one non-ionic surface active compound having a hydrophile-lipophile balance (HLB) of between 10 and 18;

one or more customary formulation auxiliaries, and water;

wherein active ingredient (A) is suspended or dispersed in the water, the weight ratio of surface active compound (B) to active ingredient (A) is in the range of from 1.5 to 15.0, provided the minimum amount of surface active compound (B) is at least 6 weight %, based on the total weight of the formulated composition.

2. The composition according to claim 1 wherein the ratio of (B) to (A) is in the range of from 1.6 to 10.0, preferably 1.7 to 7.0.

3. The composition according to claim 1, wherein amount of the at least one active ingredient (A) is in the range of from 1.2 to 15, preferably 1.5 to 10, especially 1.7 to 9, weight %, based on the total weight of the formulated composition.

4. The composition according to claim 1, wherein the least one active ingredient (A) is present in an amount of in the range of 6 to 10, preferably 7 to 9, weight % and the ratio of (B) to (A) is in the range of from 1.5 to 3.0, preferably 1.7 to 2.5.

5. The composition according to claim 1, wherein the least one active ingredient (A) is present in an amount of in the range of 2 to 5, preferably 2.5 to 4.5, weight % and the ratio of (B) to (A) is in the range of from 4.0 to 8.0, preferably 5.0 to 6.5.

6. The composition according to claim 1, wherein the least one active ingredient (A) is present in an amount of in the range of 1.0 to 3.0, preferably 1.5 to 2.5, weight % and the ratio of (B) to (A) is in the range of from 2.5 to 7.0, preferably 4.0 to 5.5.

7. The composition according to claim 1, wherein the least one active ingredient (A) is present in an amount of in the range of 1.0 to 3.5, preferably 1.5 to 3.0, weight % and the ratio of (B) to (A) is in the range of from 2.0 to 6.0, preferably 3.0 to 4.5.

8. The composition according to claim 1, wherein the least one active ingredient (A) is present in an amount of in the range of 2 to 5, preferably 2.5 to 4.5, weight % and the ratio of (B) to (A) is in the range of from 4.0 to 7.0, preferably 4.5 to 5.5.

9. The composition according to claim 1 wherein the active ingredient (A) is one or more of abamectin, acrinathrin, alpha-cypermethrin, acequinocyl, amitraz, benomyl, beta-cyfluthrin, bifenthrin, bioresmethrin, bistrifluoron, bromopropylate, chlorethoxyfos, chlorfluazuron, clofentezine, cyfluthrin, cyhalothrin, cypermethrin, cyphenothrin, dodemorph, esfenvalerate, etofenprox, fenvalerate, flucycloxuron, flufenoxuron, hydramethylnon, lambda-cyhalothrin, lufenuron, mecarbam, novaluron, permethrin, phenothrin, silafluofen, tau-fluvalinate, ZXI 8901 (3-(4-bromophenoxy)-a-cyanobenzyl 2-[4-(difluoromethoxy)phenyl]-3-methylbutanoate), and flubendiamide (3-iodo-N′

-(2-mesyl-1,1-dimethylethyl)-N-{4-[1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl]o-tolyl}phthalamide).

10. The composition according to claim 1 wherein the surface active compound (B) is a polyoxyalkylene-sorbitan ester, castor oil alkoxylate, alcohol alkoxylate, acid ethoxylate, fatty monoethanolamide based ethoxylate and block polymers of ethylene oxide and propylene oxide block.

11. The composition according to claim 1 wherein the surface active compound (B) has a HLB of 11 to 17, preferably 12 to 17, especially 14 to 17.

12. The composition according to claim 1 wherein the surface active compound (B) is a sorbitan ester ethoxylate, having a HLB of between 12 to 18, preferably 14 to 16.

13. The composition according to claim 1 wherein the surface active compound (B) is a-castor oil ethoxylate having a HLB of between 10 to 14, preferably 11 to 13.

14. The composition according to claim 1 wherein the surface active compound (B) is a fatty acid ethoxylate having a HLB of between 11 to 15, preferably 12 to 14.

15. The composition according to claim 1 wherein the surface active compound (B) is an alcohol ethoxylate having a HLB of between 10 to 13, preferably 10.5 to 12.

16. The composition according to claim 1 wherein the surface active compound (B) is present in an amount of from 6.5 to 25, preferably 7 to 20, preferably in the range of from 7 to 18, weight %, based on the weight of the formulated composition.

17. The composition according to claim 1 further comprising, as one more one or more of the customary formulation auxiliaries defined in claim 1, at least one other surface active compound (C), each in an amount of at most 3 wt %, based on the total weight of the formulated composition.

18. The composition according to claim 17 wherein the surface active compound (C) is one or more selected from alkoxylated polyarylphenol and alkoxylated polyarylphenol phosphate.

19. The composition according to claim 18 wherein the surface active compound (C) is an ethoxylated tristyrylphenol and/or an ethoxylated tristyrylphenol phosphate.

20. The composition according to claim 1 wherein the active ingredient (A) has a particle size in the range 0.1 μ

m to 0.9 μ

m at x₅₀ as defined in ISO 13320-1 and a particle size in the range 0.7 μ

m to 1.5 μ

m at x₉₅ as defined in ISO 13320-1.

21. The composition according to claim 1 further comprising (D) one or more other active ingredients different from (A).

22. The composition according to claim 21 wherein the other active ingredient (D) is selected from thiamethoxam, imidacloprid, clothianidin, tefluthrin, cyflumetofen, chlorantraniliprole, cyantraniliprole, difenconazole, fipronil, azoxystrobin, and fludioxonil.

23. The composition according to claim 1, wherein the formulation composition comprises, as active ingredients, abamectin and one or more selected from thiamethoxam, imidacloprid, clothianidin, lufenuron, lambda-cyhalothrin, tefluthrin, cyflumetofen, chlorantraniliprole, cyantraniliprole, difenconazole, fipronil, azoxystrobin, and fludioxonil.

24. The composition according to claim 21 wherein the weight ratio of (D) to (A) is at least 1.5

25. The composition according to claim 1 in the form of a suspension concentrate formulation or suspoemulsion formulation.

26. A method of improving the translaminarity of an active ingredient (A), as defined in claim 1, comprising forming a formulated composition comprising at least one non-ionic surface active compound having a hydrophile-lipophile balance (HLB) of between 10 and 18 (compound (B)), wherein the weight ratio of surface active compound (B) to active ingredient (A) is in the range of from 1.5 to 15.0, provided the minimum amount of surface active compound (B) is at least 6 weight %, based on the total weight of the formulated composition.

27. A method for improving the re-suspension properties of a suspension comprising forming a composition comprising at least one solid active ingredient (A), as defined in claim 1, and at least one non-ionic surface active compound having a hydrophile-lipophile balance (HLB) of between 10 and 18 (compound (B)), wherein the weight ratio of surface active compound (B) to active ingredient (A) is in the range of from 1.5 to 15.0, provided the minimum amount of surface active compound (B) is at least 6 weight %, based on the total weight of the composition.

28. A method of controlling or preventing pathogenic damage or pest damage in a plant propagation material, a plant, parts of a plant and/or plant organs that grow at a later point in time, which comprises applying on the plant, part of the plant, plant organs, plant propagation material or a surrounding area thereof a composition derived from the formulated composition defined in claim 1.

29. The method according to claim 28 wherein the formulated composition is applied at a rate of 1 to 100 grams of Al per hectare.

30. A method of improving pesticide residue on a plant comprising applying a tank-mix composition comprising (I) a pesticidal composition which comprises a pesticide defined in claim 1, a solvent, such as water, and (II) one or more adjuvants and optionally (III) one or more other pesticide formulated compositions, to the plant, part of the plant, plant organs, plant propagation material, wherein the adjuvant is present in an amount of from 0.05 to 0.5% by volume, based on the volume of the tank-mix composition, and the adjuvant has one or more non-ionic surfactants and/or oil components.

31. The method according to claim 30, wherein the pesticidal composition is an agrochemical aqueous pesticide formulated composition.

32. The method according to claim 1 wherein the pesticide is abamectin.

33. The method according to claim 30 wherein the adjuvant is selected from a one or more of paraffin oil, horticultural spray oils (e.g., summer oil), methylated rape seed oil, highly refined vegetable oil, and one or more non-ionic surfactant, such as polyol fatty acid esters, polyethoxylated esters thereof, ethoxylated alcohols, alkyl polysaccharides &

blends, amine ethoxylates, sorbitan fatty acid ester ethoxylates, PEG esters, organosilicone based surfactants, ethylene vinyl acetate terpolymer, and ethoxylated alkyl aryl phosphate esters.

34. The method according to claim 30, wherein the adjuvant is a non-ionic surface active compound having a hydrophile-lipophile balance (HLB) of between 10 and 18.

35. The method according to claim 30, wherein the adjuvant is as defined in any one of claims 10 to 15.

36. The method according to claim 30 wherein the pesticide has a particle size in the range 0.1 μ

m to 0.9 μ

m at x₅₀ as defined in ISO 13320-1 and a particle size in the range 0.7 μ

m to 1.5 μ

m at X₉₅ as defined in ISO 13320-1.

37. The method according to claim 30 wherein the pesticidal composition defined in any one of claims 30 to 36 is a an aqueous agrochemical pesticide formulated composition defined in any one of claims 1 to 25.

39. A tank-mix composition suitable for directly applying on a plant, part of the plant, plant organs, plant propagation material comprising (I) an aqueous agrochemical pesticide formulated composition defined in any one of claims 1 to 25 and a solvent, such as water, and optionally (II) one or more adjuvants and optionally (III) one or more other pesticide formulated compositions.

38. The tank-mix composition suitable for directly applying on a plant, part of the plant, plant organs, plant propagation material comprising (I) an aqueous agrochemical pesticide formulated composition comprising abamectin, and a solvent, such as water, and optionally (II) one or more adjuvants and optionally (III) one or more other pesticide formulated compositions.

40. (canceled)