Foaming granule and method for making same
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United States of America Patent
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Feb 9, 2010
Grant Date -
Aug 10, 2006
app pub date -
Jan 6, 2006
filing date -
Jan 7, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A foaming granule is provided that includes an acid, a gas-evolving acid neutralizing agent, a surfactant foaming agent, and an active agent that is a plant growth enhancer, pest control agent, de-icer or anti-icer. Upon wetting a granule, the acid and neutralizing agent are brought into contact releasing gas that is trapped in the surfactant to form a foam that disperses the active agent to a greater area and more uniformly than a conventional nonfoaming granule containing a like amount of active agent. Dispersal of granules followed by sufficient time for foaming to occur represents a typical use methodology.
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