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:
Jan. 14, 2025
Filed:
Oct. 11, 2021
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
University-industry Cooperation Group of Kyung Hee University, Yongin-si, KR;
Chae Hwan Hong, Seoul, KR;
Jin Woo Choung, Suwon-si, KR;
Jungmok You, Yongin-si, KR;
Kangyun Lee, Suwon-si, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA CORPORATION, Seoul, KR;
UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, Yongin-si, KR;
Abstract
A method for manufacturing a cellulose nanofiber film is provided. The method includes preparing cellulose nanofiber dispersion, performing a chemical crosslinking by adding an epichlorohydrin-based material to the cellulose nanofiber dispersion to prepare a planar body and performing physical crosslinking in which a metal chloride is added to the planar body.