Solid urea fertilizer
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United States of America Patent
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Apr 16, 2013
Grant Date -
Dec 27, 2007
app pub date -
Jun 22, 2007
filing date -
Jun 23, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A solid urea fertilizer prepared by mixing a solid, flowable, urea formaldehyde polymer with a urea source, such as molten or solid urea to form a fertilizer that has favorable crush strength characteristics, low biuret content, and/or desirable storage and handling properties. The urea fertilizer may contain additionally, an aqueous urea formaldehyde solution or mixture. Optionally, the fertilizer may contain a urease inhibitor and/or a nitrification inhibitor.
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Cited Art Landscape
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