Regioselectively substituted cellulose esters produced in a tetraalkylammonium alkylphosphate ionic liquid process and products produced therefrom

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United States of America Patent

PATENT NO 9926384
SERIAL NO

14447704

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Abstract

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This invention relates a cellulose solution comprising cellulose and at least one tetraalkylammonium alkylphosphate and processes to produce the cellulose solution. Another aspect of this invention relates to shaped articles prepared from a cellulose solution comprising cellulose and at least one tetraalkylammonium alkylphosphate. Another embodiment of this invention relates to compositions comprising derivatives of cellulose prepared from a cellulose solution comprising at least one tetraalkylammonium alkylphosphate. Another embodiment of this invention relates to compositions comprising regioselectively substituted cellulose esters prepared from a cellulose solution comprising cellulose and at least one tetraalkylammonium alkylphosphate. In another embodiment of the invention, the cellulose esters of the present invention are used as protective and compensation films for liquid crystalline displays.

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Patent Owner(s)

Patent OwnerAddress
EASTMAN CHEMICAL COMPANY200 SOUTH WILCOX DRIVE KINGSPORT TN 37660

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Buchanan, Charles Kingsport, US 5 51
Buchanan, Norma Bluff City, US 1 12
Guzman-Morales, Elizabeth Kingsport, US 11 197

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