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:
Mar. 11, 2025
Filed:
Feb. 28, 2022
Applicant:
Södra Skogsägarna Ekonomisk Förening, Växjö, SE;
Inventors:
Assignee:
SÖDRA SKOGSÄGARNA EKONOMISK FÖRENING, Växjö, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06L 4/00 (2017.01); D06P 5/13 (2006.01);
U.S. Cl.
CPC ...
D06L 4/00 (2017.01); D06P 5/131 (2013.01);
Abstract
Described is a method for decoloring of a textile material, the method includes the steps of: providing a textile material; providing an alkaline solution containing one or more anionic polyelectrolytes; treating the textile material in the alkaline solution during a treatment period; and recovering at least some of the textile material from the alkaline solution.