METHOD FOR PREPARING POLY(ALLYLAMINE) HYDROCHLORIDE AND DERIVATIVES THEREFROM
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United States of America Patent
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May 16, 2013
app pub date -
Nov 14, 2011
filing date -
Nov 14, 2011
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Abandoned
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Abstract
The present invention provides a method for preparing poly(allylamine) hydrochloride, sevelamer hydrochloride, sevelamer carbonate and colesevelam hydrochloride. The present invention also relates to a process for preparing oly(allylamine) hydrochloride, sevelamer hydrochloride, sevelamer carbonate and colesevelam hydrochloride with low allylamine content and high specific gravity.
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