Chitosan preparation
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United States of America Patent
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Issued Date -
Oct 28, 2004
app pub date -
Jun 15, 2004
filing date -
Aug 2, 2001
priority date (Note) -
Abandoned
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Abstract
The invention provides a process for the preparation of chitosan which process comprises swelling particulate chitin with an aqueous solution for a period of at least 36 hours, and subsequently reacting the resultant swollen particulate chitin with an alkaline solution at an elevated temperature whereby to cause a deacetylation to occur.
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