Use of EDDS and calcium ions as enchancers of molluscicidal activity

Patent metadata

Field	Value
Publication number	US-9282735-B2
Application number	US-201514707650-A
Country	US
Kind code	B2
Filing date	May 8, 2015
Priority date	Jan 26, 2009
Publication date	Mar 15, 2016
Grant date	Mar 15, 2016

Abstract

A molluscicidal composition, comprising: a molluscicidal activity promoting additive comprising a calcium-containing salt of ethylene disuccinic acid or calcium ions and ethylenediamine disuccinic moieties, having at least 1 mole of calcium per mole of ethylenediamine disuccinic acid; and a carrier material edible to molluscs.

First claim

The invention claimed is:

1. A molluscicidal composition, comprising:
a molluscicide;
a molluscicidal activity promoting additive comprising a calcium-containing salt of ethylenediamine disuccinic acid, wherein the activity promoting additive has at least 0.6 mole of calcium ions per mole of ethylenediamine disuccinic acid; and
a carrier material edible to molluscs.

2. The molluscicidal composition of claim 1 , wherein the activity promoting additive has at least 1 mole of calcium ions per mole of ethylenediamine disuccinic acid.

3. The molluscicidal composition of claim 1 , wherein the activity promoting additive has at least 1.5 mole of calcium ions per mole of ethylenediamine disuccinic acid.

4. The molluscicidal composition of claim 1 , wherein calcium ions are the only alkaline earth metal ions in the activity promoting additive.

5. The molluscicidal composition of claim 1 , further comprising a metal compound selected from the group consisting of iron, copper, zinc aluminum and mixtures thereof.

6. The molluscicidal composition of claim 1 , wherein the molluscicide is selected from the group consisting of iron phosphate, iron chelates selected from the group consisting of iron EDTA, iron EDDS, iron polyphosphonate, iron HEDTA, iron IDA, and iron DTPA, metaldehyde, methiocarb, carbaryl, isolan, mexcarbate, mercaptodimethur, niclosamide, trifenmorph, carbofuran, anarcardic acid, plant-derived saponins, and mixtures thereof.

7. The molluscicidal composition of claim 1 , further comprising a chelator selected from the group consisting of EDDS, EDTA, HEDTA, DTPA, IDA, HEDP, MGDA, GLDA, and derivatives thereof, and mixtures thereof.

8. The molluscicidal composition of claim 1 , wherein the pH is in the range from about 5 to about 9.

9. The molluscicidal composition of claim 5 , wherein a molar ratio of a metal in the metal compound to the activity promoting additive is in the range of about 1:0.02 to 1:58.

10. The molluscicidal composition of claim 5 , wherein the metal from the metal compound is present at a concentration in the composition in the range of about 200 to 20,000 ppm.

11. The molluscicidal composition of claim 1 , wherein the activity promoting additive is present at a concentration in the range of about 0.2 to 6.0 percent by wt. of the composition.

12. The molluscicidal composition of claim 1 , wherein the calcium-containing salt of ethylenediamine disuccinic acid comprises Ca 2 EDDS.

13. The molluscicidal composition of claim 1 , wherein the carrier material is a mollusc food selected from the group consisting of wheat flour, wheat cereal, meadowfoam, agar, gelatin, oil cake, pet food wheat, soya, oats, corn, citrus mash, rice, fruits, fish by-products, sugars, coated vegetable seeds, coated cereal seeds, casein, blood meal, bone meal, yeast, fats, beer products, and mixtures thereof.

14. The molluscicidal composition of claim 13 , wherein the mollusc food is a bone meal wheat flour mixture having a ratio of bone meal to wheat flour in the range of 50:50 to 90:10.

15. The molluscicidal composition of claim 5 , wherein the metal compound is selected from the group consisting of reduced elemental iron, iron proteins, iron salts, iron carbohydrates, copper proteins, copper salts, copper carbohydrates, zinc proteins, zinc salts, zinc carbohydrates, aluminum proteins, aluminum salts, aluminum carbohydrates, and mixtures thereof.

16. The molluscicidal composition of claim 5 , wherein the metal compound is selected from the group consisting of iron acetate, iron chloride, iron phosphate, iron phosphate/sodium citrate mixture, sodium iron phosphate, iron pyrophosphate, iron nitrate, iron ammonium sulfate, iron albuminate, iron sulfate, iron sulfide, iron choline citrate, iron glycerol phosphate, iron citrate, iron ammonium citrate, iron fumarate, iron gluconate, iron lactate, iron saccharate, iron fructate, iron dextrate, iron succinate, iron tartrate, copper acetate, copper chloride, copper phosphate, copper pyrophosphate, copper nitrate, copper ammonium sulfate, copper albuminate, copper sulfate, copper gluconate, copper lactate, copper saccharate, copper fructate, copper dextrate, zinc acetate, zinc chloride, zinc phosphate, zinc pyrophosphate, zinc nitrate, zinc ammonium sulfate, zinc albuminate, zinc sulfate, zinc gluconate, zinc lactate, zinc saccharate, zinc fructate, zinc dextrate, aluminum acetate, aluminum chloride, aluminum phosphate, aluminum pyrophosphate, aluminum nitrate, aluminum ammonium sulfate, aluminum albuminate, aluminum sulfate, aluminum gluconate, aluminum lactate, aluminum saccharate, aluminum fructate, and aluminum dextrate.

17. The molluscicidal composition of claim 1 , wherein the molluscicidal compound is selected from the group consisting of ferric ethylene diamine disuccinic acid, ferrous ethylene diamine disuccinic acid, copper ethylene diamine disuccinic acid, zinc ethylene diamine disuccinic acid, aluminum ethylene diamine disuccinic acid, and mixtures thereof.

18. The molluscicidal composition of claim 1 , further comprising a co-active molluscicidal agent, wherein the co-active molluscicidal agent is selected from the group consisting of iron phosphate, iron EDTA, iron HEDTA, iron polyphosphonate, metaldehyde, methiocarb, carbaryl, isolan, mexcarbate, mercaptodimethur, niclosamide, trifenmorph, carbofuran, anarcardic acid, plant-derived saponins, and mixtures thereof.

19. A method of controlling molluscs, comprising:
applying a composition to control molluscs, the composition comprising:
a molluscicide;
a molluscicidal activity promoting additive comprising a calcium-containing salt of ethylenediamine disuccinic acid, wherein the activity promoting additive has at least 0.6 mole of calcium ions per mole of ethylenediamine disuccinic acid; and
a carrier material edible to molluscs.

20. The method of claim 19 , wherein the activity promoting additive has at least 1 mole of calcium ions per mole of ethylenediamine disuccinic acid.

21. The method of claim 19 , wherein the activity promoting additive has at least 1.5 mole of calcium ions per mole of ethylenediamine disuccinic acid.

22. The method of claim 19 , wherein calcium ions are the only alkaline earth metal ions in the activity promoting additive.

23. The method of claim 19 , wherein the composition further comprises a metal compound selected from the group consisting of iron, copper, zinc aluminum and mixtures thereof.

24. The method of claim 19 , wherein the molluscicide is selected from the group consisting of iron phosphate, iron chelates selected from the group consisting of iron EDTA, iron EDDS, iron polyphosphonate, iron HEDTA, iron IDA, and iron DTPA, metaldehyde, methiocarb, carbaryl, isolan, mexcarbate, mercaptodimethur, niclosamide, trifenmorph, carbofuran, anarcardic acid, plant-derived saponins, and mixtures thereof.

25. The method of claim 19 , wherein the composition further comprises a chelator selected from the group consisting of EDDS, EDTA, HEDTA, DTPA, IDA, HEDP, MGDA, GLDA, and derivatives thereof, and mixtures thereof.

26. The method of claim 23 , wherein a molar ratio of a metal in the metal compound to the activity promoting additive is in the range of about 1:0.02 to 1:58.

27. The method of claim 23 , wherein the metal from the metal compound is present at a concentration in the composition in the range of about 200 to 20,000 ppm.

28. The metho

Assignees

• Innospec Ltd
• Neudorff W Gmbh Kg

Inventors

• Dixon Nicholas John
• Bassett Derek
• Arndt Reinhard
• Prokop Andreas
• Parker Diana
• Chen Tianye

Classifications

• C05G3/60

  Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants · CPC title

• A61K35/618

  Molluscs, e.g. fresh-water molluscs, oysters, clams, squids, octopus, cuttlefish, snails or slugs · CPC title

• A01N25/00

  Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application {, e.g. seed treatment or sequential application}; Substances for reducing the noxious effect of the active ingredients to organisms other than pests · CPC title

• A01N59/26

  Phosphorus; Compounds thereof · CPC title

• A01N25/008 Primary

  molluscicidal · CPC title