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. 06, 2015
Filed:
Sep. 18, 2013
Applicant:
Konica Minolta, Inc., Chiyoda-ku, JP;
Inventors:
Sho Kim, Kyoto, JP;
Satoshi Matsumoto, Kyoto, JP;
Naoki Yoshie, Ibaraki, JP;
Kenji Hayashi, Hachiouji, JP;
Assignee:
KONICA MINOLTA, INC., Chiyoda-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/13 (2006.01); G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/13 (2013.01); G03G 9/0804 (2013.01); G03G 9/131 (2013.01); G03G 9/132 (2013.01); G03G 9/133 (2013.01);
Abstract
In a liquid developer in which toner particles are dispersed in an insulating liquid, the toner particles have a core-shell structure that first resin particles containing a first resin are attached to or cover surfaces of second resin particles containing a second resin. The second resin particles further contain a pigment and a dispersant for pigment, and solubility of the dispersant for pigment in the insulating liquid is not higher than 10 mass % at 25° C.