HYDROXYALKYL STARCH DERIVATIVES AND PROCESS FOR THEIR PREPARATION
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United States of America Patent
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Feb 19, 2013
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Dec 14, 2007
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Abstract
The invention relates to a method for the preparation of a hydroxyalkyl starch derivative which comprises reacting hydroxyalkyl starch (HAS) via the optionally oxidised reducing end of the HAS with the amino group M of a crosslinking compound which, apart from the amino group, comprises a specifically protected carbonyl group, namely an acetal group or a ketal group.
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