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US 2019/0335749 A1Published application
Adjustable Release Pesticide Tablet Formulations
OwnerNicholas W. Robertsoninventor
Life of this patent
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Abstract
Pesticide formulations especially suited for commercial use in tablet form where the release rate of the pesticide is adjustable based on conditions and requirements for disintegration and dispersion in water, at any temperature, of pesticidally active compounds.
Claims20
A tablet having an adjustable release time in water, comprising:
- a pesticide and an adjustable time release coating consisting of alginate.
A process for making an adjustable time release tablet for releasing a pesticide in water, comprising:
- coating a pesticide with a layer of alginate sufficiently for release in water and adjusting the release rate by adding more layers.
A process for making an adjustable time release tablet for releasing a pesticide in water, comprising:
- solubilizing a pesticide sufficiently for release in water by adding a weak base to the pesticide when the pesticide is a weak acid or by adding a weak acid to the pesticide when the pesticide is a weak base and adjusting the release rate by increasing or decreasing the amount of additive.
Dependencies are inferred from the claim text.