Regioselectively substituted cellulose esters
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 11, 2024
Grant Date -
Apr 13, 2023
app pub date -
Oct 13, 2022
filing date -
Mar 29, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present application discloses regioselectively substituted cellulose esters, films made from the regioselectively substituted cellulose esters and methods for making the same. The regioselectively substituted cellulose esters are synthesized using trifluoroacetic anhydride and cellulose with various acyl donors or acyl donor precursors.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
EASTMAN CHEMICAL COMPANY | 100 NORTH EASTMAN ROAD KINGSPORT TN 37660 |
International Classification(s)

- 2022 Application Filing Year
- C08J Class
- 2006 Applications Filed
- 320 Patents Issued To-Date
- 15.96 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Elkins, Casey Lynn | Kingsport, US | 16 | 14 |
# of filed Patents : 16 Total Citations : 14 | |||
Sharpe, Robert Jacks | Johnson City, US | 18 | 27 |
# of filed Patents : 18 Total Citations : 27 | |||
Wang, Bin | Kingsport, US | 1095 | 9516 |
# of filed Patents : 1095 Total Citations : 9516 |
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Patent Citation Ranking
- 0 Citation Count
- C08J Class
- 0 % this patent is cited more than
- 1 Age
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