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:
Sep. 22, 2026
Filed:
Nov. 03, 2021
Applicant:
Kolon Industries, Inc., Seoul, KR;
Inventors:
Assignee:
KOLON INDUSTRIES, INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 11/14 (2006.01); C08J 11/16 (2006.01);
U.S. Cl.
CPC ...
C08J 11/14 (2013.01); C08J 11/16 (2013.01); C08J 2367/02 (2013.01);
Abstract
Provided is a method for decolorizing a polyester, the method including exposing adding a decoloring agent to the polyester and then contacting the polyester with superheated water vapor.