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:
Nov. 23, 2021
Filed:
Apr. 07, 2020
Applicant:
Fujifilm Business Innovation Corp., Tokyo, JP;
Inventors:
Assignee:
FUJIFILM Business Innovation Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01); G03G 9/093 (2006.01); G03G 21/18 (2006.01); G03G 9/097 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09342 (2013.01); G03G 9/0819 (2013.01); G03G 9/0821 (2013.01); G03G 9/09385 (2013.01); G03G 9/09708 (2013.01); G03G 9/09725 (2013.01); G03G 9/09775 (2013.01); G03G 15/08 (2013.01); G03G 21/18 (2013.01);
Abstract
A toner for electrostatic image development includes: toner particles; Si-doped strontium titanate particles; and silica particles. The particle diameter D of at least one peak in a number-based particle size distribution of primary particles of the silica particles is larger than the number-based median diameter Dof primary particles of the Si-doped strontium titanate particles.