Extruded fertilizer granules with urease and/or nitrification inhibitors

US11021409B2 · kind B2 · utility

Assignee

• SABIC GLOBAL TECHNOLOGIES B.V. · NL

Inventors

• Yoganand Gurumallappa · Bengaluru, IN
• Ravi Hegde · Bengaluru, IN
• Satish BURLA · Kanchinakote, IN
• Rajamalleswaramma Koripelly · Bengaluru, IN
• Samik Gupta · Kanchinakote, IN

Key dates

• Filing date: Aug 7, 2018
• Grant date: Jun 1, 2021
• Expiry date: Aug 7, 2038

Classification

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

Abstract

Fertilizers with urease inhibitors and/or nitrification inhibitors are described. The fertilizer can include an extruded granule containing urea, a polymeric binder, and a nitrification inhibitor and/or an urease inhibitor.