Oxirane carboxylic acid derivatives of polyglucosamines
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United States of America Patent
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Jan 28, 1997
Grant Date -
N/A
app pub date -
Apr 10, 1995
filing date -
Apr 10, 1995
priority date (Note) -
Expired
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Abstract
Polyglucosamine derivatives, e.g., chitosan, substituted with oxirane carboxylic acids, e.g., epoxysuccinic acid, are disclosed. The polyglucosamine derivatives can be prepared in a covalently bonded or ionically bonded form. Methods for preparing the polyglucosamine derivatives are disclosed as well as compositions containing the derivatives and uses for the derivatives.
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