SUPERABSORBENT POLYMER SUSPENSION FOR USE IN AGRICULTURE
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United States of America Patent
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N/A
Issued Date -
Jan 22, 2009
app pub date -
Jul 19, 2007
filing date -
Jul 19, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Soil amendments which include starch-based superabsorbent polymer (SAP) particles are combined with a liquid fertilizer solution to form a flowable suspension. Methods for manufacturing the SAP liquid fertilizer suspension are disclosed. The starch-based SAP product may include a monomer graft polymerized onto a starch in the presence of an initiator to form a starch graft copolymer. Various mesh sizes of granular SAP particles may be mixed with a liquid fertilizer solution that optionally includes a micronutrient multivalent cation solution.
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