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:
May. 05, 2026

Filed:

Apr. 13, 2021
Applicant:

Eastman Chemical Company, Kingsport, TN (US);

Inventors:

Bruce Roger Debruin, Gray, TN (US);

Michael Paul Ekart, Kingsport, TN (US);

Anne-Martine Sherbeck Jackson, Jonesborough, TN (US);

Nathan Mitchell West, Kingsport, TN (US);

Zhufang Liu, Kingsport, TN (US);

Assignee:

Eastman Chemical Company, Kingsport, TN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 11/24 (2006.01); C08J 11/16 (2006.01);
U.S. Cl.
CPC ...
C08J 11/16 (2013.01); C08J 2327/06 (2013.01); C08J 2367/02 (2013.01);
Abstract

A method of recycling plastic waste by feeding a quantity of PET and PVC-containing reclaimer flake reject separated from the plastic waste to a chemical recycling facility; and depolymerizing in said chemical recycling facility at least a portion of said PET- and PVC-containing reclaimer flake reject which further comprises feeding at least a portion of the flake reject into at least one density separation stage before depolymerizing, in which a PET-enriched stream and a polyolefins-enriched stream are produced from a waste plastic stream comprising the flake reject; wherein the flake reject comprises at least 1 weight percent of PVC on a dry basis, and wherein the flake reject comprises at least 0.1 weight percent and/or not more than 20 weight percent polyolefins on a dry basis, wherein the flake reject is fed directly into a solvolysis facility within the chemical recycling facility and the solvolysis facility is a methanolysis facility.


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