Material of polysaccharides containing carboxyl groups, and a process for producing such polysaccharides
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United States of America Patent
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Oct 16, 1990
Grant Date -
N/A
app pub date -
Jan 27, 1988
filing date -
Jun 18, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Method of crosslinking carboxyl-containing polysaccharides in that the polysaccharide is at first activated with a bi- or polyfunctional reagent, and then after removal of any potential excess of activating reagent the crosslinking is performed during drying. The invention also comprises a material produced according to this method.
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