Preparations with improved urease-inhibiting effect and urea-containing fertilizers containing the latter

US8075659B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Alexander Wissemeier · Speyer, DE
• Patrick Deck · Mannheim, DE
• Oliver Huttenloch · Ispringen, DE
• Michael Mauβ · Neustadt, DE
• Gregor Pasda · Neustadt, DE
• Ralf-Thomas Rahn · Mannheim, DE
• Wolfgang Weigelt · Dudenhofen, DE
• Wolfram Zerulla · Schnaittach, DE

Key dates

• Filing date: Feb 7, 2007
• Grant date: Dec 13, 2011
• Expiry date: Sep 11, 2028

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S71/902
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to preparations with improved urease-inhibitory effect which comprise at least two different (thio)phosphoric triamides and to urea-comprising fertilizers which comprise these preparations. The invention furthermore relates to a method of preparing these preparations, to the use of these preparations in the fertilization with urea-comprising fertilizers, and to the use of urea-comprising fertilizers which comprise these preparations in agriculture or in horticulture.