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:
Jul. 19, 2016
Filed:
Dec. 05, 2014
Applicant:
Konica Minolta, Inc., Chiyoda-ku, JP;
Inventors:
Chiaki Yamada, Ibaraki, JP;
Masahiro Anno, Sakai, JP;
Yuya Iwagoe, Kyoto, JP;
Masaaki Oka, Kyoto, JP;
Assignee:
KONICA MINOLTA, INC., Chiyoda-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/00 (2006.01); G03G 9/13 (2006.01); G03G 9/12 (2006.01);
U.S. Cl.
CPC ...
G03G 9/132 (2013.01); G03G 9/122 (2013.01); G03G 9/131 (2013.01); G03G 9/133 (2013.01);
Abstract
A liquid developer includes an insulating liquid and toner particles which are dispersed in the insulating liquid and contain a resin and a coloring agent. The resin contains a first resin which is a resin containing a component derived from a crystalline polyester resin. The coloring agent contains carbon black and nigrosine. The toner particles have a peak at not lower than 30° C. and not higher than 50° C. in a DSC curve in temperature decrease.