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. 30, 2018
Filed:
Jul. 11, 2016
Applicant:
Fuji Xerox Co., Ltd., Tokyo, JP;
Inventors:
Hiroki Omori, Kanagawa, JP;
Mona Tasaki, Kanagawa, JP;
Yuka Yamagishi, Kanagawa, JP;
Yutaka Saito, Kanagawa, JP;
Fusako Kiyono, Kanagawa, JP;
Assignee:
FUJI XEROX CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01); G03G 9/097 (2006.01); G03G 15/08 (2006.01); G03G 9/087 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09791 (2013.01); G03G 9/0819 (2013.01); G03G 9/0825 (2013.01); G03G 9/0827 (2013.01); G03G 9/08755 (2013.01); G03G 15/0865 (2013.01);
Abstract
An electrostatic charge image developing toner includes toner particles containing a binder resin and a release agent and an external additive containing fatty acid metal salt particles and abrasive particles, wherein a ratio (B/A) of an isolation amount B of the abrasive particles isolated from the toner particles after an ultrasonic isolation treatment to an isolation amount A of the fatty acid metal salt particles isolated from the toner particles after the ultrasonic isolation treatment is from 0.3 to 2.0.