Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor in separate particles

US11358908B2 · kind B2 · utility

Assignee

• SABIC GLOBAL TECHNOLOGIES B.V. · NL

Inventors

• Ravi Hegde · Bengaluru, IN
• Rajamalleswaramma Koripelly · Bengaluru, IN
• Chandra Mohana · Kanchinakote, IN
• Radha Achanath · Bengaluru, IN
• Samik Gupta · Kanchinakote, IN
• Sabeshan Kanagalingam · Riyadh, SA

Key dates

• Filing date: Apr 16, 2018
• Grant date: Jun 14, 2022
• Expiry date: Dec 8, 2038

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P60/21
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

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.