Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom
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United States of America Patent
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Jan 15, 2013
Grant Date -
Sep 1, 2011
app pub date -
Aug 12, 2009
filing date -
Feb 13, 2008
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Abstract
This invention relates to novel compositions comprising regioselectively substituted cellulose esters. One aspect of the invention relates to processes for preparing regioselectively substituted cellulose esters from cellulose dissolved in ionic liquids. Another aspect of the invention relates to the utility of regioselectively substituted cellulose esters in applications such as protective and compensation films for liquid crystalline displays.
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