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:
Sep. 29, 2026
Filed:
Sep. 05, 2023
Applicant:
Fujifilm Business Innovation Corp., Tokyo, JP;
Inventors:
Yuko Iwadate, Kanagawa, JP;
Hideaki Yoshikawa, Kanagawa, JP;
Satomi Kashiwagi, Kanagawa, JP;
Kenji Yao, Kanagawa, JP;
Tetsuya Taguchi, Kanagawa, JP;
Hirokazu Hamano, Kanagawa, JP;
Assignee:
FUJIFILM Business Innovation Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 1/02 (2006.01); A61K 8/02 (2006.01); A61K 8/73 (2006.01); A61Q 19/00 (2006.01);
U.S. Cl.
CPC ...
C08L 1/02 (2013.01); A61K 8/0241 (2013.01); A61K 8/731 (2013.01); A61Q 19/00 (2013.01);
Abstract
Solid cellulose particles contain cellulose as a main component. The cellulose particles have a volume average particle diameter D of from 1 μm to 30 μm inclusive and a circularity of 0.86 or more. A value A represented by the following formula (1) is less than 0.15: (wherein, in formula (1), D is the volume average particle diameter (μm) of the cellulose particles, and S is a BET specific surface area (m/g) of the cellulose particles).