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Aldehyde-functionalized polysaccharides

  • US 8,580,951 B2
  • Filed: 07/01/2010
  • Issued: 11/12/2013
  • Est. Priority Date: 07/02/2009
  • Status: Active Grant
First Claim
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1. A composition comprising at least one aldehyde-functionalized polysaccharide containing pendant aldehyde groups, said aldehyde-functionalized polysaccharide having a weight-average molecular weight of about 3,000 to about 250,000 Daltons and a degree of aldehyde substitution of greater than 40% to about 200%;

  • wherein;

    (i) said pendant aldehyde groups are attached to the polysaccharide through linking groups which do not contain a nitrogen atom;

    (ii) said linking groups are attached to the polysaccharide by ether linkages; and

    (iii) said linking groups contain an alkoxy group alpha to the pendant aldehyde group.

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