METHOD FOR MAKING A POLYSACCHARIDE DIALDEHYDE HAVING HIGH PURITY
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United States of America Patent
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Issued Date -
Oct 17, 2013
app pub date -
Jul 19, 2011
filing date -
Jul 19, 2010
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Abandoned
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Abstract
A method for making polysaccharide dialdehydes is disclosed, which uses a combination of precipitation and separation steps to purify the polysaccharide dialdehyde formed by oxidation of a polysaccharide with periodate. The method is simple, rapid, and provides a polysaccharide dialdehyde having very low levels of iodine-containing species and a low ash content. The polysaccharide dialdehyde is particularly suitable for preparing hydrogel adhesives for medical applications.
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