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:
Nov. 18, 2025

Filed:

Jul. 29, 2022
Applicant:

Nan Ya Plastics Corporation, Taipei, TW;

Inventors:

Te-Chao Liao, Taipei, TW;

Jung-Jen Chuang, Taipei, TW;

Chung-Chi Su, Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 11/26 (2006.01); D01G 11/00 (2006.01);
U.S. Cl.
CPC ...
C08J 11/26 (2013.01); D01G 11/00 (2013.01); C08J 2367/00 (2013.01); D10B 2211/02 (2013.01); D10B 2331/04 (2013.01); Y02W 30/62 (2015.05);
Abstract

A method for processing a waste fabric containing polyester and wool fibers includes the following steps. The method is to treat the waste fabric with an acid catalyst aqueous solution at 160° C. to 170° C. The wool fibers are degraded and completely separated from the polyester fibers in a treatment process. Afterwards, the polyester fibers are recycled.


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