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:
Mar. 31, 2020
Filed:
Feb. 06, 2019
Applicant:
Konica Minolta, Inc., Tokyo, JP;
Inventors:
Koji Shibata, Hachioji, JP;
Takuya Takahashi, Higashimurayama, JP;
Futoshi Kadonome, Sagamihara, JP;
Shinya Obara, Fuchu, JP;
Assignee:
KONICA MINOLTA, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01); G03G 9/097 (2006.01); G03G 9/107 (2006.01); G03G 9/09 (2006.01); G03G 9/087 (2006.01); G03G 9/113 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09716 (2013.01); G03G 9/0825 (2013.01); G03G 9/09708 (2013.01); G03G 9/09791 (2013.01); G03G 9/0804 (2013.01); G03G 9/08711 (2013.01); G03G 9/0918 (2013.01); G03G 9/1075 (2013.01); G03G 9/1132 (2013.01);
Abstract
Provided is an electrostatic latent image developing toner including toner mother particles having an external additive on a surface of the toner mother particles, wherein the external additive contains inorganic particles and aliphatic acid metal salt particles; the inorganic particles have a number average particle diameter in the range of 10 to 50 nm, and have a Mohs hardness of 8 or more; and the aliphatic acid metal salt particles have a number average particle diameter in the range of 0.4 to 2.0 μm.