Method for producing emulsifiable pesticide solutions

1. Kit of parts for producing an emulsifiable pesticide solution comprising:

(a) a water miscible organic solvent selected from the group consisting of a glycol ether, a glycerol formal, dimethylsulfoxide, gamma-butyrolactone and mixtures thereof,

(b) an alkoxylated alcohol having an alkyl chain length of 4 to 24 carbon atoms with an average of 6 to 80 moles of ethylene oxide and 2 to 60 moles of propylene oxide per mole of alcohol; and

(c) a pesticidal active ingredient,

wherein the alkoxylated alcohol is of formula (I) or (II),

CH 3 —(CH 2 ) x —CH 2 —O—(CH 2 —CH 2 —O) y —(CH 2 —CH(CH 3 )—O) z —H  (I)

CH 3 —(CH 2 ) x —CH 2 —O—(CH 2 —CH(CH 3 )—O) z —(CH 2 —CH 2 —O) y —H  (II)

and wherein the alcohol part has a carbon chain length of at least 8 carbons, y is between 6 and 80; and z is between 2 and 60; with the proviso that an aromatic or isoparaffinic solvent are absent.

2. Composition for producing emulsifiable pesticide solutions, obtained from a kit of parts according to claim 1 , comprising:

(a) a water miscible organic solvent selected from the group consisting of a glycol ether, a glycerol formal, dimethylsulfoxide, gamma butyrolactone and mixtures thereof; and

(b) an alkoxylated alcohol having an alkyl chain length of 4 to 24 carbon atoms with an average of 6 to 80 moles of ethylene oxide and 2 to 60 moles of propylene oxide per mole of alcohol,

wherein the alkoxylated alcohol is of formula (I) or (II),

CH 3 —(CH 2 ) x —CH 2 —O—(CH 2 —CH 2 —O) y —(CH 2 —CH(CH 3 )—O) z —H  (I)

CH 3 —(CH 2 ) x —CH 2 —O—(CH 2 —CH(CH 3 )—O) z —(CH 2 —CH 2 —O) y —H  (II)

and wherein the alcohol part has a carbon chain length of at least 8 carbons, y is between 6 and 80; and z is between 2 and 60; with the proviso that an aromatic or isoparaffinic solvent are absent.

3. Composition according to claim 2 , wherein the solvent is dipropylene glycol methyl ether, diethylene glycol monoethylether or dipropylene glycol monoethyl ether.

4. Composition according to claim 2 , wherein y is between 10 and 60; and z is between 2 and 45.

5. Composition according to claim 2 , wherein the pesticidal active ingredient is selected from the group consisting of abamectin, alpha-cypermethrin, cypermethrin, permethrin, deltamethrin, diflubenzuron, flufenoxuron, ethofenprox, malathion, pymetrozin, pyriproxifen, azoxystrobin, chlorothalonil, cyprodinil, dimethomorph, dodine, iprodione, mancozeb, metconazole, spiroxamine, 2,4-dichlorophenoxyacetic acid, 2-ethylhexyl ester (2,4-D EHE), chloroprofam (CIPC), clethodim, metribuzin, prosulfocarb, pendimethalin, triclopyr buthoxyethyl ester, trinexapac-ethyl, and a mixture thereof.

6. Composition according to claim 2 , wherein the selected pesticidal active ingredient is cypermethrin, an isomer of cypermethrin, or mixtures thereof.

7. Composition according to claim 6 , wherein the pesticidal active ingredient is cypermethrin.

8. Composition according to claim 2 , wherein the selected pesticidal active ingredient is trinexapac-ethyl.

9. Composition according to claim 7 , comprising:

25-98% 

diethylene glycol monoethyl ether,

1-20%

alkoxylated alcohol,

1-60%

cypermethrin,

0-10%

water, and

0-0.3% 

antifoam.

10. Composition for producing emulsifiable pesticide solutions, comprising

250 g/1 trinexapac-ethyl

150 g/1 alkoxylated alcohol as described in claim 2 , and

550 g/1 glycerol formal.

11. Method for producing emulsifiable pesticide solutions comprising the steps of:

providing a solution of a water miscible organic solvent wherein the water miscible organic solvent is selected from the group consisting of a propylene glycol ether, a glycerol formal, a dimethylsulfoxide and gamma-butyrolactone and a mix thereof; and an alkoxylated alcohol having an alkyl chain length of 4 to 24 carbon atoms with an average of 6 to 80 moles of ethylene oxide and 2 to 60 moles of propylene oxide per mole of alcohol, and

adding to the solution a pesticidal active ingredient miscible with the selected solvent, wherein the alkoxylated alcohol is of formula (I) or (II),

CH 3 —(CH 2 ) x —CH 2 —O—(CH 2 —CH 2 —O) y —(CH 2 —CH(CH 3 )—O) z —H  (I)

CH 3 —(CH 2 ) x —CH 2 —O—(CH 2 —CH(CH 3 )—O) z —(CH 2 —CH 2 —O) y —H  (II)

And wherein the alcohol part has a carbon chain length of at least 8 carbon atoms, y is between 6 and 80; and z is between 2 and 60; with the proviso that an aromatic or isoparaffinic solvent are absent.

12. Method according to claim 11 , further comprising the step:

warming the solution comprising the pesticidal ingredient to a temperature between 20° C. to 60° C.

13. Method for treating an agricultural crop, comprising the steps of:

providing a kit of parts comprising:

(a) a water miscible organic solvent selected from the group consisting of a glycol ether, a glycerol formal, dimethylsulfoxide, gamma-butyrolactone and mixtures thereof,

(b) an alkoxylated alcohol having an alkyl chain length of 4 to 24 carbon atoms with an average of 6 to 80 moles of ethylene oxide and 2 to 60 moles of propylene oxide per mole of alcohol; and

(c) a pesticidal active ingredient,

wherein the alkoxylated alcohol is of formula (I) or (II),

CH 3 —(CH 2 ) x —CH 2 —O—(CH 2 —CH 2 —O) y —(CH 2 —CH(CH 3 )—O) z —H  (I)

CH 3 —(CH 2 ) x —CH 2 —O—(CH 2 —CH(CH 3 )—O) z —(CH 2 —CH 2 —O) y —H  (II)

and wherein the alcohol part has a carbon chain length of at least 8 carbons, y is between 6 and 80; and z is between 2 and 60; with the proviso that an aromatic or isoparaffinic solvent are absent,

mixing (a) with (b) and (c) thereby providing a solution for producing emulsifiable pesticide solutions,

adding water to the solution thereby emulsifying the pesticide active ingredient and obtaining an emulsified pesticide composition comprising an active ingredient in a pre-determined dose rate, and

applying the emulsified pesticide composition to an agricultural crop suffering from a disease treatable with the selected active ingredient and dose rate.

14. Method according to claim 11 , wherein the active ingredient is cypermethrin or trinexapac-ethyl.

15. Method according to claim 13 , wherein the active ingredient is cypermethrin or trinexapac-ethyl.

16. Kit of parts according to claim 1 , wherein the solvent is dipropylene glycol methyl ether, diethylene glycol monoethylether or dipropylene glycol monoethyl ether.

17. Kit of parts according to claim 1 , wherein y is between 10 and 60; and z is between 2 and 45.

18. Kit of parts according to claim 1 , wherein the pesticidal active ingredient is selected from the group consisting of abamectin, alpha-cypermethrin, cypermethrin, permethrin, deltamethrin, diflubenzuron, flufenoxuron, ethofenprox, malathion, pymetrozin, pyriproxifen, azoxystrobin, chlorothalonil, cyprodinil, dimethomorph, dodine, iprodione, mancozeb, metconazole, spiroxamine, 2,4-dichlorophenoxyacetic acid, 2-ethylhexyl ester (2,4-D EHE), chloroprofam (CIPC), clethodim, metribuzin, prosulfocarb, pendimethalin, triclopyr buthoxyethyl ester, trinexapac-ethyl, and a mixture thereof.

19. Kit of parts according to claim 1 , wherein the selected pesticidal active ingredient is a cypermethrin, an isomer of cypermethrin, or mixtures thereof.

20. Kit of parts according to claim 19 , wherein the pesticidal active ingredient is cypermethrin.

21. Kits of parts according to claim 1 , wherein the selected pesticidal active ingredient is trinexapac-ethyl.