PREPARATION OF CHEMICALLY REACTIVE POLYSACCHARIDES
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United States of America Patent
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Sep 24, 2002
Grant Date -
Sep 26, 2002
app pub date -
Jun 14, 1999
filing date -
Oct 19, 1996
priority date (Note) -
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Abstract
This invention describes improvements in or relating to the production of polysaccharide derivatives; more particularly it relates to a method of converting insoluble polysaccharides to a form in which they form part of an anhydrous system in which they may be used as chemical intermediates in the production of derivatives
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