Process for preparing improved 3,4-dimethyl-1H-pyrazole phosphate formulations

US11505511B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Karl-Heinrich Schneider · Kleinkarlbach, DE
• Gregor Pasda · Neustadt, DE
• Wolfram Zerulla · Schnaittach, DE
• Markus Schmid · Dietmanns, AT
• Daniella Lohe · Kohlhof, DE
• Alexander Wissemeier · Speyer, DE
• Maarten Staal · Kohlhof, DE
• Barbara Nave · Ruppertsberg, DE
• Claudia Klodwig · Heßheim, DE

Key dates

• Filing date: Aug 17, 2018
• Grant date: Nov 22, 2022
• Expiry date: Dec 23, 2038

Classification

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

Abstract

The present invention relates to a process for preparing a formulation F for reducing nitrification. The present invention also relates to a formulation F obtainable by the process of the invention. Furthermore, the present invention relates to a process of preparing a fertilizer-nitrification inhibitor mixture, and to a fertilizer-nitrification inhibitor mixture obtainable by this process. Moreover, the present invention relates to a method of fertilizing agricultural soil.