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. 06, 2021
Filed:
Dec. 27, 2018
Applicant:
Industrial Technology Research Institute, Hsinchu, TW;
Inventors:
Shi-Kuang Hwang, Zhubei, TW;
Tien-Ching Lu, Hsinchu, TW;
Kai-Jen Hsiao, Zhunan Township, TW;
Jing-Wen Tang, Hsinchu, TW;
Assignee:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/717 (2006.01); D21C 5/00 (2006.01); D01F 2/00 (2006.01);
U.S. Cl.
CPC ...
D21C 5/00 (2013.01); D01F 2/00 (2013.01); D10B 2201/20 (2013.01);
Abstract
A method for preparing α-cellulose, a spinning composition, and a fiber material are provided. The method for preparing α-cellulose includes providing a coffee residue; subjecting the coffee residue to a decolorization treatment, obtaining a white powder; reacting the white powder with an alkaline solution, obtaining a mixture; filtering the mixture to produce a filter cake; and baking the filter cake to obtain α-cellulose.