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Elizabeth Guzman-Morales
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Kingsport, TN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Cellulose ester optical films
Patent number
10,494,447
Issue date
Dec 3, 2019
Eastman Chemical Company
Charles Michael Buchanan
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Cellulose ester optical films
Patent number
9,975,967
Issue date
May 22, 2018
Eastman Chemical Company
Charles Michael Buchanan
G02 - OPTICS
Information
Patent Grant
Regioselectively substituted cellulose esters produced in a tetraal...
Patent number
9,926,384
Issue date
Mar 27, 2018
Eastman Chemical Company
Charles Buchanan
G02 - OPTICS
Information
Patent Grant
Cellulose ester optical films
Patent number
9,796,791
Issue date
Oct 24, 2017
Eastman Chemical Company
Charles Michael Buchanan
G02 - OPTICS
Information
Patent Grant
Cellulose ester optical films
Patent number
9,096,691
Issue date
Aug 4, 2015
Eastman Chemical Company
Charles Michael Buchanan
B32 - LAYERED PRODUCTS
Information
Patent Grant
Regioselectively substituted cellulose esters produced in a tetraal...
Patent number
8,871,924
Issue date
Oct 28, 2014
Eastman Chemical Company
Charles Michael Buchanan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cellulose ester optical films
Patent number
8,729,253
Issue date
May 20, 2014
Eastman Chemical Company
Charles Michael Buchanan
B32 - LAYERED PRODUCTS
Information
Patent Grant
Regioselectively substituted cellulose esters produced in a tetraal...
Patent number
8,524,887
Issue date
Sep 3, 2013
Eastman Chemical Company
Charles Michael Buchanan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cellulose solutions comprising tetraalkylammonium alkylphosphate an...
Patent number
8,067,488
Issue date
Nov 29, 2011
Eastman Chemical Company
Charles Michael Buchanan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
CELLULOSE ESTER OPTICAL FILMS
Publication number
20200055960
Publication date
Feb 20, 2020
Eastman Chemical Company
Charles Michael Buchanan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CELLULOSE ESTER OPTICAL FILMS
Publication number
20180258189
Publication date
Sep 13, 2018
Eastman Chemical Company
CHARLES MICHAEL BUCHANAN
B32 - LAYERED PRODUCTS
Information
Patent Application
REGIOSELECTIVELY SUBSTITUTED CELLULOSE ESTERS PRODUCED IN A TETRAAL...
Publication number
20140343271
Publication date
Nov 20, 2014
Eastman Chemical Company
Charles Buchanan
G02 - OPTICS
Information
Patent Application
Cellulose Ester Optical Films
Publication number
20120264930
Publication date
Oct 18, 2012
Eastman Chemical Company
Charles Michael Buchanan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Cellulose Ester Optical Films
Publication number
20120262650
Publication date
Oct 18, 2012
Eastman Chemical Company
Charles Michael Buchanan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Cellulose Ester Optical Films
Publication number
20120263889
Publication date
Oct 18, 2012
Eastman Chemical Company
Charles Michael Buchanan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Cellulose Ester Optical Films
Publication number
20120263890
Publication date
Oct 18, 2012
Eastman Chemical Company
Charles Michael Buchanan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
REGIOSELECTIVELY SUBSTITUTED CELLULOSE ESTERS PRODUCED IN A TETRAAL...
Publication number
20120121830
Publication date
May 17, 2012
Eastman Chemical Company
Charles Michael Buchanan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CELLULOSE SOLUTIONS COMPRISING TETRAALKYLAMMONIUM ALKYLPHOSPHATE AN...
Publication number
20120041080
Publication date
Feb 16, 2012
Eastman Chemical Company
Charles Michael Buchanan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CELLULOSE SOLUTIONS COMPRISING TETRAALKYLAMMONIUM ALKYLPHOSPHATE AN...
Publication number
20100305249
Publication date
Dec 2, 2010
Eastman Chemical Company
Charles Michael Buchanan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
REGIOSELECTIVELY SUBSTITUTED CELLULOSE ESTERS PRODUCED IN A TETRAAL...
Publication number
20100267942
Publication date
Oct 21, 2010
Eastman Chemical Company
Charles Michael Buchanan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...