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.

Date of Patent:
Sep. 02, 2025

Filed:

May. 06, 2020
Applicant:

Eastman Chemical Company, Kingsport, TN (US);

Inventors:

Katherine Augusta Hofmann, Kingsport, TN (US);

John Thomas Hofmann, Kingsport, TN (US);

Douglas Weldon Carico, Kingsport, TN (US);

Assignee:

Eastman Chemical Company, Kingsport, TN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 67/02 (2006.01);
U.S. Cl.
CPC ...
C08L 67/02 (2013.01); C08L 2207/20 (2013.01);
Abstract

Described are polymer compositions that include a blend of recycled poly(ethylene terephthalate) (rPET) and a copolyester based on monomers that include on terephthalic acid (TPA), ethylene glycol (EG) and 2,2,4,4-tetramethyl-1,3-cyclobutanediol (TMCD), wherein the blend has improved engineering properties compared to the rPET material.


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