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:
Feb. 09, 2017
Applicant:
Oji Holdings Corporation, Tokyo, JP;
Inventors:
Koh Sakai, Chiba, JP;
Go Banzashi, Chiba, JP;
Hirokazu Sunagawa, Tokyo, JP;
Hayato Fushimi, Chiba, JP;
Assignee:
OJI HOLDINGS CORPORATON, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 21/20 (2006.01); D21H 17/56 (2006.01); D21H 17/37 (2006.01); D21H 17/41 (2006.01); D21H 11/20 (2006.01); C08G 69/48 (2006.01); C08J 5/18 (2006.01); D21H 11/18 (2006.01); C08L 1/00 (2006.01); C08L 77/00 (2006.01);
U.S. Cl.
CPC ...
D21H 21/20 (2013.01); C08G 69/48 (2013.01); C08J 5/18 (2013.01); C08L 1/00 (2013.01); C08L 77/00 (2013.01); D21H 11/18 (2013.01); D21H 11/20 (2013.01); D21H 17/37 (2013.01); D21H 17/41 (2013.01); D21H 17/56 (2013.01);
Abstract
It is an object of the present invention is to provide a sheet containing ultrafine cellulose fibers, which is excellent in transparency and water resistance. The present invention relates to a sheet including cellulose fibers having a fiber width of 1000 nm or less, and polyamine polyamide epihalohydrin, wherein the haze of the sheet is 6% or less.