Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1997-01-27
1999-08-17
Langel, Wayne
Chemistry: fertilizers
Processes and products
Organic material-containing
71 58, 71 59, 71 6407, C05C 500, C05C 502
Patent
active
059388137
ABSTRACT:
Granular coated particles suitable for use alone or in combination with other fertilizer particles as an nitrogen-dispersing agricultural fertilizer, and a process for making the granular coated particles are disclosed. The granular coated particles include particles formed from at least one metal nitrate, and a first coating layer surrounding each of the metal nitrate particles. The first coating layer is formed from a mixture containing urea and at least one metal nitrate. The metal nitrate particles each is substantially free and discrete from other metal nitrate particles. The metal nitrate is preferably sodium nitrate or potassium nitrate.
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Compound Fertilizers, Chapter XIX of the Fertilizer Manual, pp. 248-260.
Kirk Othmer: Encyclopedia of Chemical Technology, vol. 23 of the Urea Section, pp. 565-572.
Araya Patricio L.
Huey A. Michael
Jeffreys Darren L.
Lauterbach Armin R.
Reyes Jubitza K.
Langel Wayne
SQM Nitratos, S.A.
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