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:
Feb. 14, 2023
Filed:
Mar. 01, 2018
Applicant:
Oji Holdings Corporation, Tokyo, JP;
Inventors:
Mengchen Zhao, Tokyo, JP;
Yusuke Todoroki, Chiba, JP;
Yuichi Noguchi, Tokyo, JP;
Ikue Sugiyama, Tokyo, JP;
Assignee:
OJI HOLDINGS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06M 11/71 (2006.01); C08L 1/08 (2006.01); D21H 11/20 (2006.01); D06M 101/06 (2006.01);
U.S. Cl.
CPC ...
D06M 11/71 (2013.01); C08L 1/08 (2013.01); D21H 11/20 (2013.01); D06M 2101/06 (2013.01); D06M 2400/01 (2013.01);
Abstract
It is an object of the present invention to provide ultrafine cellulose fibers capable of exhibiting favorable dispersibility even in an organic solvent. The present invention relates to cellulose fibers having a fiber width of 1000 nm or less and having phosphoric acid groups or phosphoric acid group-derived substituents, wherein the content of the phosphoric acid groups or phosphoric acid group-derived substituents is 0.5 mmol/g or more, and the supernatant yield measured by an measurement method (a) is 70% or less.