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:
Dec. 24, 2024
Filed:
Sep. 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;
Alex Chan, Hong Kong, CN;
Un Teng Lam, Hong Kong, CN;
Shi Gao, Hong Kong, CN;
Assignee:
The Hong Kong Research Institute of Textiles and Apparel Limited, Hong Kong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06B 9/06 (2006.01); B29B 17/02 (2006.01); D06B 23/20 (2006.01);
U.S. Cl.
CPC ...
D06B 9/06 (2013.01); B29B 17/02 (2013.01); D06B 23/205 (2013.01); B29B 2017/0217 (2013.01);
Abstract
Provided herein is a method of separating spandex from textile blends using biosolvents. The recovered material is of high purity while the chemical structure and molecular weight remain substantially unaffected by the treatment.