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:
Apr. 04, 2023
Filed:
Dec. 18, 2020
Applicant:
The H.d. Lee Company, Inc., Greensboro, NC (US);
Inventors:
Dhruv Agarwal, Greensboro, NC (US);
Akash Pardeshi, Greensboro, NC (US);
Assignee:
The H.D. Lee Company, Inc., Greensboro, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P 1/46 (2006.01); D06P 5/22 (2006.01); D06P 3/60 (2006.01);
U.S. Cl.
CPC ...
D06P 1/46 (2013.01); D06P 5/22 (2013.01); D06P 3/605 (2013.01);
Abstract
Dye baths including an aqueous solution including lignin in a range of 10% to 30% by weight of the aqueous solution are described. In addition, methods of dyeing fibers, yarns, textiles, or garments with an aqueous solution including 10% to 30% lignin by weight is disclosed. Further, methods of dyeing a fabric including preparing a first dye bath including an aqueous solution having lignin in a range of 10% to 30% by weight of the aqueous solution and passing a fabric through the first dye bath such that the fabric pics up lignin to dye the fabric is disclosed.