Methods to produce polymer nanoparticles and formulations of active ingredients
AssigneeVive Crop Protection Inc.
InventorsFugang Li, Hung Hoang Pham, Darren J. Anderson
Life of this patent
Estimating the term…
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.
Claims24
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.
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.
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.
Dependencies are inferred from the claim text.