Regioselectively substituted cellulose esters

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11136414
SERIAL NO

16492964

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

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.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • EASTMAN CHEMICAL COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Elkins, Casey Lynn Kingsport, US 16 14
Lin, Robert Kingsport, US 99 1371
Rodig, Michael John Johnson City, US 8 52
Sharpe, Robert Jacks Johnson City, US 18 27

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Apr 5, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 5, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 5, 2033
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00