USE OF POLYMER PARTICLES CONTAINING INSECTICIDE IN ORDER TO IMPROVE THE SOIL MOBILITY OF INSECTICIDES, INSECTICIDE FORMULAS, POLYMER PARTICLES CONTAINING INSECTICIDE, AND METHOD FOR PEST CONTROL

• US 20120214857A1
• Filed: 10/07/2010
• Published: 08/23/2012
• Est. Priority Date: 10/07/2009
• Status: Active Grant

• Current Assignee: BASF SE
• Original Assignee: BASF SE
• Inventors: Türk, Holger, Schröder-Grimonpont, Tina, Jung, Marc Rudolf, Reinhard, Klaus, Hahn, Peter, Ishaque, Michael
• Granted Patent: US 10,772,322 B2
• Time in Patent Office: Days
• US Class Current: 514/407
• CPC Class Codes: A01N 25/04 Dispersions, emulsions, suspoemulsions, suspension concentrates or gels foams A01N25/16
• CPC Class Codes: A01N 31/14 Ethers
• CPC Class Codes: A01N 37/28 containing the group; Thio analogues thereof
• CPC Class Codes: A01N 43/40 six-membered rings
• CPC Class Codes: A01N 43/54 1,3-Diazines; Hydrogenated 1,3-diazines
• CPC Class Codes: A01N 47/02 the carbon atom having no bond to a nitrogen atom
• CPC Class Codes: A01N 47/12 containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
• CPC Class Codes: A01N 47/34 containing the groups , e.g. biuret; Thio analogues thereof; Urea-aldehyde condensation products
• CPC Class Codes: A01N 47/38 containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
• 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

Abstract

Polymer particles, comprising

• • a) at least one sparingly soluble insecticide from the group consisting of fipronil, allethrin, alpha-cypermethrin, beta-cyfluthrin, bifenthrin, bioallethrin, 4-chloro-2-(2-chloro-2-methylpropyl)-5-[(6-iodo-3-pyridinyl)methoxy]-3(2H)-pyridazinone (CAS-RN: 120955-77-3), chlorantraniliprole, chlorfenapyr, cyantraniliprole, cyfluthrin, cyhalothrin, cypermethrin, deltamethrin, etofenprox, fenoxycarb, flufenoxuron, hydramethylnon, imidacloprid, indoxacarb, metaflumizone, permethrin, pyriproxifen, tebufenozide and tralomethrin and
  • b) at least one water-insoluble polymer,

are suitable for improving the soil mobility of the sparingly soluble insecticide(s).

Claims

1-12. -12. (canceled)

13. A polymer particle, comprising

i) at least one insecticide selected from the group consisting of fipronil, allethrin, alpha-cypermethrin, beta-cyfluthrin, bifenthrin, bioallethrin, 4-chloro-2-(2-chloro-2-methylpropyl)-5-[(6-iodo-3-pyridinyl)methoxy]-3(2H)-pyridazinone, chlorantraniliprole, chlorfenapyr, cyantraniliprole, cyfluthrin, cyhalothrin, cypermethrin, deltamethrin, etofenprox, fenoxycarb, flufenoxuron, hydramethylnon, imidacloprid, indoxacarb, metaflumizone, permethrin, pyriproxifen, tebufenozide and tralomethrin;

and

at least one water-insoluble polymer P1.

14. The polymer particle according to claim 13, wherein the at least one water-insoluble polymer P1 is a water-insoluble polymer, obtainable by polymerization of

M1.1) 30 to 100% by weight, based on P1, of at least one monomer (M I) selected from the group consisting of the C₁-C₂₄-alkyl esters of acrylic acid, C₁-C₂₄-alkyl esters of methacrylic acid and methacrylonitrile,

M1.2) 0 to 70% by weight, based on P1, of at least one monomer (M II), selected from the group consisting of polyfunctional monomers, having at least two non-conjugated double bonds, and

M1.3) 0 to 40% by weight, based on P1, of at least one further monomer (M III) which is structurally different from monomers (M I) and (M II).

15. The polymer particle according to claim 14, where the only insecticide present in the polymer particle is fipronil.

16. The polymer particle according to claim 14, wherein the polymerization is carried out by mini-emulsion polymerization.

17. An insecticide formulation comprising the polymer particle according to claim 13.

18. The insecticide formulation of claim 17, further comprising

a) adjuvants, and

b) optionally further formulation auxiliaries.

19. The insecticide formulation according to claim 17, wherein the at least one water-insoluble polymer P1 is a water-insoluble polymer, obtainable by polymerization of

M1.1) 30 to 100% by weight, based on P1, of at least one monomer (M I) selected from the group consisting of the C₁-C₂₄-alkyl esters of acrylic acid, C₁-C₂₄-alkyl esters of methacrylic acid and methacrylonitrile,

M1.2) 0 to 70% by weight, based on P1, of at least one monomer (M II), selected from the group consisting of polyfunctional monomers, having at least two non-conjugated double bonds, and

M1.3) 0 to 40% by weight, based on P1, of at least one further monomer (M III) which is structurally different from monomers (M I) and (M II).

20. The insecticide formulation according to claim 17, wherein the only insecticide present in the polymer particle is fipronil.

21. The insecticide formulation according to claim 17, wherein the polymerization is carried out by mini-emulsion polymerization.

22. A method for controlling soil-dwelling invertebrate pests, comprising applying onto or into a soil an insecticide formulation comprising the polymer particle according to claim 13.

23. The method of claim 22, wherein the insecticide formulation further comprises

a) adjuvants, and

b) optionally further formulation auxiliaries.

24. The method according to claim 22, wherein the at least one water-insoluble polymer P1 is a water-insoluble polymer, obtainable by polymerization of

M1.1) 30 to 100% by weight, based on P1, of at least one monomer (M I) selected from the group consisting of the C₁-C₂₄-alkyl esters of acrylic acid, C₁-C₂₄-alkyl esters of methacrylic acid and methacrylonitrile,

M1.2) 0 to 70% by weight, based on P1, of at least one monomer (M II), selected from the group consisting of polyfunctional monomers, having at least two non-conjugated double bonds, and

M1.3) 0 to 40% by weight, based on P1, of at least one further monomer (M III) which is structurally different from monomers (M I) and (M II).

25. The method according to claim 22, wherein the only insecticide present in the polymer particle is fipronil.

26. The method according to claim 22, wherein the polymerization is carried out by mini-emulsion polymerization.

27. A method for improving the soil mobility of sparingly soluble insecticides comprising applying onto or into the soil an insecticide formulation comprising the polymer particle according to claim 13.

28. The method of claim 27, wherein the insecticide formulation further comprises

a) adjuvants, and

b) optionally further formulation auxiliaries.

29. The method according to claim 27, wherein the at least one water-insoluble polymer P1 is a water-insoluble polymer, obtainable by polymerization of

M1.1) 30 to 100% by weight, based on P1, of at least one monomer (M I) selected from the group consisting of the C₁-C₂₄-alkyl esters of acrylic acid, C₁-C₂₄-alkyl esters of methacrylic acid and methacrylonitrile,

M1.2) 0 to 70% by weight, based on P1, of at least one monomer (M II), selected from the group consisting of polyfunctional monomers, having at least two non-conjugated double bonds, and

M1.3) 0 to 40% by weight, based on P1, of at least one further monomer (M III) which is structurally different from monomers (M I) and (M II).

30. The method according to claim 27, wherein the only insecticide present in the polymer particle is fipronil.

31. The method according to claim 27, wherein the polymerization is carried out by mini-emulsion polymerization.