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US 12,006,273 B2Granted
Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor in separate particles
AssigneeSabic Agri-Nutrients Company
InventorsRavi Hegde, Rajamalleswaramma Koripelly, Chandra Mohana, Radha Achanath, Samik Gupta, Sabeshan Kanagalingam
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Abstract
Particulate fertilizer compositions that include nitrification inhibitors and urease inhibitors are described herein. The inhibitors are separated from each other by being in separate particles. Fertilizer particles in the composition include particles having a core-shell structure, with an inhibitor included in the core particle.
Claims20
A particulate fertilizer composition comprising:
- (a) a first particle comprising a urease inhibitor and is substantially free of any nitrification inhibitor;
- and
- (b) a second particle comprising a nitrification inhibitor and is substantially free of any urease inhibitor,
- wherein the first particle and the second particle are separate from each other.
1 more element
Dependencies are inferred from the claim text.