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. 10, 2015
Filed:
Nov. 01, 2012
Naoki Yoshie, Ibaraki, JP;
Kenji Hayashi, Hachioji, JP;
Chiaki Yamada, Ibaraki, JP;
Keiko Momotani, Ibaraki, JP;
Masahiro Anno, Sakai, JP;
Yuya Kubo, Hachioji, JP;
Miyuki Hotta, Kobe, JP;
Naoki Yoshie, Ibaraki, JP;
Kenji Hayashi, Hachioji, JP;
Chiaki Yamada, Ibaraki, JP;
Keiko Momotani, Ibaraki, JP;
Masahiro Anno, Sakai, JP;
Yuya Kubo, Hachioji, JP;
Miyuki Hotta, Kobe, JP;
Konica Minolta Business Technologies, Inc., Chiyoda-Ku, Tokyo, JP;
Abstract
A liquid developer used for wet-type image forming apparatuses includes toner particles and an insulating liquid, the toner particles include a resin, a pigment, and a pigment dispersant, the pigment includes a pigment having an acid group, and the pigment dispersant is a basic polymer dispersant including units derived from ε-caprolactone.