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. 31, 2023
Filed:
Feb. 24, 2021
Applicant:
The Hong Kong Research Institute of Textiles and Apparel Limited, Hong Kong, CN;
Inventors:
Edwin Yee Man Keh, Hong Kong, CN;
Lei Yao, Hong Kong, CN;
Hok Chung Chan, Hong Kong, CN;
Sai Lung Fung, Hong Kong, CN;
Un Teng Lam, Hong Kong, CN;
Lap Hung Chan, Hong Kong, CN;
Lee Ying Yu, Hong Kong, CN;
Assignee:
The Hong Kong Research Institute of Textiles and Apparel Limited, Hong Kong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P 1/94 (2006.01); D06P 1/16 (2006.01); D06P 3/36 (2006.01);
U.S. Cl.
CPC ...
D06P 1/94 (2013.01); D06P 1/16 (2013.01); D06P 3/36 (2013.01);
Abstract
A method for decolorizing a dyed textile comprising a synthetic fiber and a disperse dye, the method includes contacting the dyed textile with a super critical fluid thereby extracting at least a portion of the disperse dye from the textile into the super critical fluid and forming an at least partially decolorized textile.