The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 08, 2019
Filed:
Feb. 06, 2017
Eastman Chemical Company, Kingsport, TN (US);
Charles Michael Buchanan, Bluff City, TN (US);
Norma Lindsey Buchanan, Bluff City, TN (US);
Robert Thomas Hembre, Johnson City, TN (US);
Juanelle Little Lambert, Gray, TN (US);
Michael Eugene Donelson, Kingsport, TN (US);
Maryna Grigorievna Gorbunova, Kingsport, TN (US);
Thauming Kuo, Kingsport, TN (US);
Bin Wang, Kingport, TN (US);
Eastman Chemical Company, Kingsport, TN (US);
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.