logo

For the Inventor, By the Inventor

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.:

US 9926384 B1

PDFFull Text
Expired
Date of Patent:
Mar. 27, 2018

Filed:

Jul. 31, 2014

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

Applicant:

Eastman Chemical Company, Kingsport, TN (US);

Inventors:

Charles Buchanan, Kingsport, TN (US);

Norma Buchanan, Bluff City, TN (US);

Elizabeth Guzman-Morales, Kingsport, TN (US);

Assignee:

EASTMAN CHEMICAL COMPANY, Kingsport, TN (US);

Attorneys:

Steven A. Owen

Polly C. Owen

Primary Examiner:

Everett White

Int. Cl.
CPC ...
C08B 1/00 (2006.01); C08B 3/00 (2006.01); G02B 1/10 (2015.01); G02B 5/32 (2006.01); C08B 3/06 (2006.01); C08B 3/16 (2006.01); G02B 1/14 (2015.01); C08B 3/04 (2006.01); C08B 3/08 (2006.01); C08B 3/10 (2006.01);
U.S. Cl.
CPC ...
C08B 3/16 (2013.01); C08B 1/003 (2013.01); C08B 3/00 (2013.01); C08B 3/04 (2013.01); C08B 3/06 (2013.01); C08B 3/08 (2013.01); C08B 3/10 (2013.01); G02B 1/105 (2013.01); G02B 1/14 (2015.01); G02B 5/32 (2013.01); Y10T 428/13 (2015.01);
Abstract

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.

Find Patent Forward Citations

Buchanan, Charles. (2018). Regioselectively substituted cellulose esters produced in a tetraalkylammonium alkylphosphate ionic liquid process and products produced therefrom (U.S. Patent No. 9926384). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9926384

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…