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:
Dec. 09, 2025
Filed:
Aug. 11, 2020
Applicant:
Eastman Chemical Company, Kingsport, TN (US);
Inventors:
Wesley Wayne Mcconnell, Kingsport, TN (US);
Mustafa Humbel Ahmed, Kingsport, TN (US);
Bin Wang, Kingsport, TN (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 1/14 (2006.01); C08B 3/16 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
C08L 1/14 (2013.01); C08B 3/16 (2013.01); G02B 5/30 (2013.01);
Abstract
The present application discloses regioselectively substituted cellulose esters comprising 2-ethylhexanoyl substituents that have desirable mechanical properties that allow the cellulose esters to be stretched into larger and thinner films while still maintaining their optical properties.