Process for coating an active ingredient with a urea-formaldehyde polymer
AssigneeKoch Agronomic Services, LLC
InventorsAllen R Sutton, Willis Thornsberry
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Abstract
The present invention relates to novel urea-formaldehyde polymers coated with an active ingredient, a method of making the same, and their use.
Claims19
A urea-formaldehyde polymer comprising a urease inhibitor.
The urea-formaldehyde polymer of claim 11, wherein the residual solvent is selected from ethers, alcohols, and hydrocarbons.
A process for preparing a urea-formaldehyde polymer, the method comprising mixing a urea-formaldehyde polymer with a urease inhibitor in a solvent selected from the group consisting of ethers, alcohols, hydrocarbons, halogenated hydrocarbons and aromatic hydrocarbons.
Dependencies are inferred from the claim text.