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:
Jun. 17, 2025
Filed:
Apr. 19, 2023
Industrial Technology Research Institute, Hsinchu, TW;
Chung-Yang Chuang, Hsinchu, TW;
Chih-An Chen, Hsinchu, TW;
Min-Yan Dong, Hsinchu, TW;
Chang-Jung Chang, Taoyuan, TW;
Hui-Min Wang, Hsinchu, TW;
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Abstract
A method for decolorizing polyester fabric and a polyester fabric are provided. The method for decolorizing polyester fabric includes providing a dye-attached polyester fabric. The dye-attached polyester fabric is immersed in a first solution, obtaining a treated polyester fabric. The treated polyester fabric is immersed in a second solution, to obtain a decolorized polyester fabric. The first solution includes water, a first swelling agent and a solubility promoter. The second solution includes water, a second swelling agent, and an auxiliary swelling agent.