Micronutrient compositions and systems and methods of using same

Patent metadata

Field	Value
Publication number	US-9908821-B2
Application number	US-201514868982-A
Country	US
Kind code	B2
Filing date	Sep 29, 2015
Priority date	Sep 29, 2015
Publication date	Mar 6, 2018
Grant date	Mar 6, 2018

Abstract

An agricultural spray may be produced by admixing citric acid and glutamic acid with a metal salt and a pesticide or other agricultural chemical containing components capable of precipitating with the metal salt in the admixture. The citric acid and the glutamic acid chelate with the metal salt to provide a stability and compatibility-enhancing composition, thereby preventing the metal salt from forming an insoluble solid within the admixture. Such a composition may be produced by admixing citric acid and glutamic acid at a molar ratio of about 6.8:0.5 to about 1:0.29. The composition may include a metal sat, citric acid and glutamic acid in a molar ratio of about 1:6.8:0.5 to about 1:1:0.29 and a pesticide.

First claim

What is claimed is:

1. A method of spraying an agricultural spray admixture, comprising:
admixing a composition comprising citric acid and glutamic acid with a metal oxide and a pesticide, the pesticide comprising phosphate; and
spraying the admixture,
wherein the citric acid and the glutamic acid chelate with the metal oxide to thereby prevent the metal oxide from forming an insoluble solid with the phosphate, and
wherein the citric acid and the glutamic acid are present in the composition at a molar ratio of about 6.8:0.5 to about 1:0.29;
wherein the admixture remains stable, non-precipitated for at least 72 hours.

2. The method of claim 1 , wherein the metal oxide is present with the citric acid and the glutamic acid at a molar ratio of about 1:6.8:0.5 to about 1:1:0.29.

3. The method of claim 2 , wherein the metal oxide is a metal oxide of one or more of zinc, boron, copper, iron, chloride, manganese, molybdenum, cobalt, magnesium, calcium or nickel.

4. The method of claim 3 , wherein the metal oxide is zinc oxide.

5. The method of claim 1 , wherein the pesticide comprises N-(phosphonomethyl)glycine.

6. The method of claim 5 , wherein the N-(phosphonomethyl)glycine is one or more of a salt, an ester or a derivative of the salt or the ester.

7. A method of producing a stability and compatibility-enhancing composition, comprising:
admixing a composition comprising citric acid and glutamic acid at a molar ratio of about 6.8:0.5 to about 1:0.29, the composition further comprising a metal oxide;
wherein the composition remains stable, non-precipitated for over 42 days.

8. The method of claim 7 , further comprising producing a chelated composition by mixing the composition with a metal salt.

9. The method of claim 7 , wherein the molar ratio of the chelated composition of the metal salt, the citric acid and the glutamic acid is about 1:6.8:0.5 to about 1:1:0.29.

10. The method of claim 8 , further comprising producing an agricultural spray by mixing the chelated composition with one or more of a pesticide or a fertilizer.

11. The method of claim 10 , wherein the chelated composition comprises at least the pesticide, the pesticide comprising one or more of: N-(phosphonomethyl)glycine, 4-Dichlorophenoxyacetic acid, bentazon, 3,6-dichloro-o-anisic acid, 3,6-dichloro-2-methoxybenzoic acid, 1-chloro-3-ethylamino-5-isopropylamino-2,4,6-triazine, amide herbicides, arsenical herbicides, carbamate and tiocarbamate herbicides, carboxylic acid herbicides, dinitronailine herbicides, heterocyclic nitrogen-containing herbicides, organophosphate compounds, urea herbicides, and quaternary herbicides, 5-[2-chloro-4-(trifluoromethyl)phenoxy]-N-(methylsulfonyl)-2-nitrobenzamide, tembotrione or a salt or an ester of the pesticide.

12. A stability and compatibility-enhancing admixture of a composition comprising a metal oxide, citric acid and glutamic acid in a molar ratio of about 1:6.8:0.5 to about 1:1:0.29 and a pesticide;
wherein the admixture remains stable, non-precipitated for at least 72 hours.

13. The admixture of claim 12 , wherein the metal oxide is a metal salt of one or more of zinc, boron, copper, iron, chloride, manganese, molybdenum, cobalt, magnesium, calcium or nickel.

14. The admixture of claim 13 , wherein the metal oxide is zinc oxide.

15. The admixture of claim 12 , wherein the pesticide comprises one or more of: N-(phosphonomethyl)glycine, 4-Dichlorophenoxyacetic acid, bentazon, 3,6-dichloro-o-anisic acid, 3,6-dichloro-2-methoxybenzoic acid, 1-chloro-3-ethylamino-5-isopropylamino-2,4,6-triazine, amide herbicides, arsenical herbicides, carbamate and tiocarbamate herbicides, carboxylic acid herbicides, dinitronailine herbicides, heterocyclic nitrogen-containing herbicides, organophosphate compounds, urea herbicides, and quaternary herbicides, 5-[2-chloro-4-(trifluoromethyl)phenoxy]-N-(methylsulfonyl)-2-nitrobenzamide, tembotrione or a salt or an ester of the pesticide.

Assignees

• Winfield Solutions Llc

Inventors

• Brown Danny
• Drangeid Jessica

Classifications

• C05G3/44

  for affecting solubility · CPC title

• C05G3/60

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

• A01N57/28

  containing acyclic or cycloaliphatic radicals · CPC title

• C05G3/00

  Mixtures of one or more fertilisers with additives not having a specially fertilising activity · CPC title

• A01N37/36

  containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids · CPC title