Liquid compositions containing urease inhibitors and glycol alkyl ethers and methods of making a use thereof
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United States of America Patent
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Dec 1, 2015
Grant Date -
Feb 20, 2014
app pub date -
Aug 15, 2013
filing date -
Aug 15, 2012
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Abstract
The present invention provides improved solvent systems for the preparation of liquid formulations of urease or nitrification inhibitors, specifically NBPT, comprising alkylene glycol alkyl ethers. The solvent systems provided good solubility of the urease inhibitor as well as at least one of improved stability, lower flammability, lower toxicity, improved cold temperature storage, improved handling, improved adsorption onto and/or solubility with solid media such as UFP or urea. Methods of making and using the compositions are also provided.
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