Superabsorbent polymers in agricultural applications
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United States of America Patent
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Dec 2, 2008
Grant Date -
May 15, 2008
app pub date -
Jan 22, 2008
filing date -
Aug 27, 2004
priority date (Note) -
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Abstract
Superabsorbent polymer (SAP) products for use in agricultural applications, and methods of making and using the same are disclosed. Certain of the SAPs include a monomer or a mixture of monomers, other than acrylonitrile, that is graft polymerized onto a starch in the presence of an initiator to form a starch graft copolymer that is cross-linked and the SAP product is isolated.
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