Methods and systems for coating granular substrates
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United States of America Patent
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Oct 12, 2021
Grant Date -
Feb 6, 2014
app pub date -
Feb 9, 2012
filing date -
Feb 9, 2011
priority date (Note) -
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Abstract
A process for producing a coated particle to provide controlled release characteristics. In this process the mixing of the substrate and coating is made in a mixing device and that mixture is then transferred to a reactor vessel different from the mixing device where the chemical curing of the coating over the particles takes place. Several layers of coating can be applied by repeating the steps and it can be run in a fully continuous manner.
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