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:
Oct. 21, 2025
Filed:
Jul. 26, 2022
Applicant:
Nan Ya Plastics Corporation, Taipei, TW;
Inventors:
Assignee:
NAN YA PLASTICS CORPORATION, Taipei, TW;
Primary Examiner:
Int. Cl.
CPC ...
C08J 11/08 (2006.01);
U.S. Cl.
CPC ...
C08J 11/08 (2013.01); C08J 2367/02 (2013.01); C08J 2475/04 (2013.01);
Abstract
A treatment method of waste fabric containing polyester fiber and elastic fiber is provided. The method includes the steps of using at least one polar solvent to perform at least a two-stage separation treatment on the waste fabric and recycling the waste fabric after the treatment. The at least one polar solvent is selected from the group consisting of dimethylformamide (DMF), dimethylacetamide (DMAC), N-methylpyrrolidone (NMP), gamma-butyrolactone (GBL), and dimethylsulfoxide (DMSO).