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:
May. 31, 2022
Filed:
Dec. 29, 2020
Applicant:
Industrial Technology Research Institute, Hsinchu, TW;
Inventors:
Pei-Ching Chang, Zhubei, TW;
Chang-Jung Chang, Taoyuan, TW;
Ya-Lin Lin, Hsinchu, TW;
Yu-Ju Lin, Zhubei, TW;
Jhong-De Lin, Kaohsiung, TW;
Hsiang-Yuan Chu, Hsinchu, TW;
Hung-Yu Liao, Taoyuan, TW;
Jie-Len Huang, Hsinchu, TW;
Assignee:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P 1/00 (2006.01); C09B 7/02 (2006.01); C09B 67/30 (2006.01); D06P 1/22 (2006.01);
U.S. Cl.
CPC ...
C09B 7/02 (2013.01); C09B 67/0078 (2013.01); D06P 1/228 (2013.01);
Abstract
A dyeing method includes immersing a fiber into a dye for dyeing the fiber, in which the dye includes indigo and indirubin, and the indigo and the indirubin have a weight ratio of 20:1 to 80:1. The indigo in the dye has a concentration of 0.1% o.w.f. to 5% o.w.f. The dyed fiber may simultaneously have high luminance, high color saturation, high strength of colorization, and sufficient colorfastness.