Substituted Cellulose Acetates and Uses Thereof
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United States of America Patent
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Issued Date -
Aug 1, 2013
app pub date -
Jan 27, 2012
filing date -
Jan 27, 2012
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Abandoned
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Abstract
The present invention relates to substituted cellulose acetates and methods of use thereof. One embodiment of the present invention provides a cigarette filter material having a filter having a substituted cellulose acetate having a polar substituent that has an oxygen atom covalently bonded to a nonmetal selected from the group of sulfur, phosphorus, boron, and chlorine; wherein the nonmetal is present in at least 0.01% by weight of the substituted cellulose acetate.
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