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:
Oct. 04, 2016
Filed:
Jan. 27, 2015
Applicant:
Kyocera Document Solutions Inc., Osaka, JP;
Inventor:
Kohei Terasaki, Osaka, JP;
Assignee:
KYOCERA Document Solutions Inc., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/00 (2006.01); G03G 9/093 (2006.01); G03G 9/087 (2006.01); G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09328 (2013.01); G03G 9/0827 (2013.01); G03G 9/08755 (2013.01); G03G 9/09392 (2013.01);
Abstract
A capsule toner for developing an electrostatic charge image includes a plurality of toner particles. Each of the toner particles includes a core and a shell layer disposed over a surface of the core. The cores have a zeta potential at pH 4 of less than 0 V, and the toner particles have a zeta potential at pH 4 of greater than 0 V. The shell layers have a hardness of at least 1 N/mand less than 3 N/m. The shell layers have a thickness of no greater than 20 nm. The toner particles have a roundness of at least 0.965 and less than 0.975.