Modified lignosulfonate conditioning agent for urea particles
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United States of America Patent
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-
Jul 16, 1991
Grant Date -
N/A
app pub date -
May 25, 1990
filing date -
May 25, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Urea fertilizer is treated with a modified lignosulfonate to harden and provide anti-caking and anti-dusting properties to the fertilizer particles. The fertilizer/modified lignosulfonate mixture includes up to about 5.0% by weight modified lignosulfonate on fertilizer. An improved method of treating urea fertilizer with a modified lignosulfonate is also disclosed.
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Cited Art Landscape
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