Composition and method for selective herbicide
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01N-047/36
A01N-059/00
출원번호
US-0374643
(2003-02-26)
발명자
/ 주소
Sedun, Frederick S.
Taylor, Kim F.
Wilson, Cameron D.
Parker, Diana L.
Almond, David S.
출원인 / 주소
W. Neudorff GmbH KG
대리인 / 주소
Nutter, McClennen &
인용정보
피인용 횟수 :
16인용 특허 :
17
초록▼
An environmentally safe selective herbicide is provided that includes at least one metal component and at least one chelating agent. The metal component can have a variety of forms, but is preferably in the form of a metal salt, a metal chelate, or combinations thereof. The chelating agent can also
An environmentally safe selective herbicide is provided that includes at least one metal component and at least one chelating agent. The metal component can have a variety of forms, but is preferably in the form of a metal salt, a metal chelate, or combinations thereof. The chelating agent can also have a variety of forms, but is preferably in the form of a metal chelate, a salt, an acid, or combinations thereof. Methods of use are also provided.
대표청구항▼
1. A method for selectively treating undesired vegetation, comprising the steps of:providing a herbicidal composition of a transition metal complex formed from a transition metal component selected from the group consisting iron, copper, zinc, manganese, and mixtures thereof, and a chelating agent s
1. A method for selectively treating undesired vegetation, comprising the steps of:providing a herbicidal composition of a transition metal complex formed from a transition metal component selected from the group consisting iron, copper, zinc, manganese, and mixtures thereof, and a chelating agent selected from the group consisting of an aminopolycarboxylate, an amino acid, and a salicylate; and contacting vegetation with a herbicidally effective amount of the composition, such that the vegetation is selectively controlled. 2. The method of claim 1, wherein the transition metal component-is present within the composition at a molar amount equal to or greater than an amount of chelating agent.3. The method of claim 2, wherein a molar ratio of the transition metal component to the chelating agent is in the range of about 1.0:0.05 to 1.0:1.0.4. The method of claim 2, wherein a molar ratio of the transition metal component to the chelating agent is in the range of about 1.0:0.1 to 1.0:1.0.5. The method of claim 1, wherein the chelating agent is selected from the group consisting of diamino cyclohexane tetraacetic acid, ethylenediaminedisuccinic acid, ethylenediaminetetraacetic acid, ethanoldiglycine, hydroxyethylenediaminetriacetic acetic acid, methylglycinediacetic acid, glutamicaciddiacetic acid, trans-1,2-diaminocyclohexane- N,N,N′,N′tetraacetic acid, diethylenetriaminepentaacetic acid, ethylenediaminetetraacetic acid, iminodisuccinic acid, their salts, and combinations thereof.6. The method of claim 1, wherein the chelating agent is present within the composition at a molar amount equal to or greater than an amount of the transition metal.7. The method of claim 6, wherein a molar ratio of the transition metal to the chelating agent is in the range of about 0.05:1.0 to 1.0:1.0.8. The method of claim 6, wherein a molar ratio of the transition metal to the chelating agent is in the range of about 0.1:1.0 to 1.0:1.0.9. The method of claim 6, wherein the chelating agent is selected from the group consisting of diamino cyclohexane tetraacetic acid, ethylenediaminedisuccinic acid, ethylenediaminetetraacetic acid, ethanoldiglycine, hydroxyethylenediaminetriacetic acid methylglycinediacetic acid, glutamicaciddiacetic acid, their salts, and combinations thereof.10. The method of claim 1, further comprising a third component selected from the group consisting of growth regulators, fertilizers, herbicides, thickening agents, humectants, antioxidants, surfactants, stabilizing agents, wetting agents, herbicide synergists, sequestrants, solvents, dyes, and combinations thereof.11. A method for selectively treating undesired vegetation, comprising the steps of:providing a herbicidal composition having an iron ion and a chelating agent selected from the group consisting of diamino cyclohexane tetraacetic acid, ethylenediaminedisuccinic acid, ethylenediaminetetraacetic acid, ethanoldiglycine, hydroxyethylenediaminetriacetic acid, methylglycinediacetic acid, glutamicaciddiacetic acid, trans-1,2-diaminocyclohexane-N,N,N′,N′tetraacetic acid, diethylenetriaminepentaacetic acid, ethylenediaminetetraacetic acid, iminodisuccinic acid, and combinations thereof; and contacting vegetation with a herbicidally effective amount of the composition, such that the vegetation is selectively controlled. 12. The method of claim 11, further comprising a third component selected from the group consisting of growth regulators, fertilizers, herbicides, thickening agents, humectants, antioxidants, surfactants, stabilizing agents, wetting agents, herbicide synergists, sequestrants, solvents, dyes, and combinations thereof.13. A method for selectively treating undesired vegetation, comprising the steps of:providing a herbicidal composition having a transition metal chelate formed from a transition metal selected from the group consisting of iron, copper, zinc, manganese, and mixtures thereof and a chelating agent selected from the group consisting of diamino cyclohexane tetraacetic acid, ethylenediaminedisuccinic acid, ethylenediaminetetraacetic acid, ethanoldiglycine, hydroxyethylenediaminetriacetic acid, methylglycinediacetic acid, glutamicaciddiacetic acid, trans-1,2-diaminocyclohexane-N,N,N′,N′tetraacetic acid, diethylenetriaminepentaacetic acid, ethylenediaminetetraacetic acid, iminodisuccinic acid, their salts, and combinations thereof; and contacting vegetation with a herbicidally effective amount of the composition, such that the vegetation is selectively controlled. 14. The method of claim 13, wherein the transition metal is present within the composition at a concentration of about 0.1 to 2.0% by weight.15. A method for selectively treating undesired vegetation, comprising the steps of:providing a herbicidal composition of an iron chelate complex of a chelating agent selected from the group consisting of an aminopolycarboxylate, an amino acid, and a salicylate; and contacting vegetation with a herbicidally effective amount of the composition, such that the vegetation is selectively controlled.
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