Methods to produce polymer nanoparticles and formulations of active ingredients
First Claim
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1. A composition comprising a polymer nanoparticle and at least one organic, neutral, non-ionic agricultural active compound associated with the polymer nanoparticle;
- wherein;
the polymer nanoparticle is less than 100 nm in diameter and cross-linked;
the polymer nanoparticle comprises a collapsed, water-soluble polyelectrolyte having a molecular weight of at least about 100,000 Dalton; and
the polymer nanoparticle contains a solvent.
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Abstract
The present invention provides a composition including a polymer nanoparticle and at least one agricultural active compound incorporated with the nanoparticle, wherein the nanoparticle are less than 100 nm in diameter, and the polymer includes a polyelectrolyte.
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Citations
24 Claims
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1. A composition comprising a polymer nanoparticle and at least one organic, neutral, non-ionic agricultural active compound associated with the polymer nanoparticle;
wherein; the polymer nanoparticle is less than 100 nm in diameter and cross-linked; the polymer nanoparticle comprises a collapsed, water-soluble polyelectrolyte having a molecular weight of at least about 100,000 Dalton; and the polymer nanoparticle contains a solvent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A composition comprising a polymer nanoparticle, and at least one organic, neutral, non-ionic agricultural active compound associated with the polymer nanoparticle;
wherein; the polymer nanoparticle is less than 100 nm in diameter and cross-linked; the polymer nanoparticle comprises a collapsed, water-soluble polyelectrolyte having a molecular weight of at least about 100,000 Dalton; and the polymer nanoparticle is swollen due to the presence of a hydrophobic solvent, as compared to the polymer nanoparticle without the hydrophobic solvent. - View Dependent Claims (21)
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22. A composition comprising a polymer nanoparticle, comprising a hydrophobic solvent, and at least one organic, neutral, non-ionic agricultural active compound associated with the polymer nanoparticle;
wherein; the polymer nanoparticle is less than 100 nm in diameter and cross-linked; and
the polymer nanoparticle comprises a collapsed, water-soluble polyelectrolyte having a molecular weight of at least about 100,000 Dalton.- View Dependent Claims (23, 24)
Specification