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. 07, 2025
Filed:
Feb. 13, 2020
Applicant:
Kao Corporation, Tokyo, JP;
Inventors:
Yuki Takada, Utsunomiya, JP;
Takuya Kouta, Utsunomiya, JP;
Assignee:
KAO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/24 (2006.01); A61L 15/28 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01);
U.S. Cl.
CPC ...
B01J 20/24 (2013.01); A61L 15/28 (2013.01); B01J 20/28007 (2013.01); B01J 20/28026 (2013.01); B01J 20/30 (2013.01); A61L 2400/12 (2013.01); B01J 2220/44 (2013.01);
Abstract
An absorbent composition containing cellulose nanofibers and a cellulose derivative and a method for making the same are disclosed. The cellulose derivative has a viscosity of 1000 mPa·s or higher in a 1 mass % aqueous solution at 25° C. and a degree of etherification of less than 0.9. The cellulose derivative is preferably at least one member selected from the group consisting of carboxymethyl cellulose, carboxyethyl cellulose, a carboxymethyl cellulose salt, and a carboxyethyl cellulose salt, more preferably a carboxymethyl cellulose salt, even more preferably sodium carboxymethyl cellulose.