Methods of manufacture for coated granular fertilizers

US10865159B2 · kind B2 · utility

Assignee

• SABIC GLOBAL TECHNOLOGIES B.V. · NL

Inventors

• Ganesh Kannan · Saginaw, US
• Christina Posada · Sugar Land, US
• James H. Haigh · Eden Prairie, US
• Sabeshan Kanagalingam · Riyadh, SA
• Travis Harper · Sugar Land, US

Key dates

• Filing date: Nov 11, 2016
• Grant date: Dec 15, 2020
• Expiry date: Sep 15, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C05G5/38
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A process of manufacturing a coated fertilizer comprising: providing at least partially coated fertilizer granules having an at least partial coating comprising a polymer and a wax; and conditioning the at least partially coated fertilizer granules at a temperature of 40 to 130° C. for a time of 1 minute to 4 hours, to form a coating comprising interpenetrating domains comprising polymer domains and wax domains.