Compositions for controlled release
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United States of America Patent
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Apr 20, 2004
Grant Date -
Feb 13, 2003
app pub date -
Aug 7, 2001
filing date -
Aug 7, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to biodegradable chemical compositions wherein core substrates, particularly oil well chemicals, are adsorbed onto particulate starch, particularly granular starch, providing a stable, controlled release formulation suitable for use in oil field applications. The invention further relates to the process of preparing obtaining these compositions.
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