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:
Feb. 19, 2013
Filed:
Jun. 28, 2010
Kenji Hayashi, Tokyo, JP;
Mikio Kouyama, Tokyo, JP;
Hiroaki Obata, Tokyo, JP;
Noriyuki Kinpara, Tokyo, JP;
Yasuhiko Muramatsu, Tokyo, JP;
Kenji Hayashi, Tokyo, JP;
Mikio Kouyama, Tokyo, JP;
Hiroaki Obata, Tokyo, JP;
Noriyuki Kinpara, Tokyo, JP;
Yasuhiko Muramatsu, Tokyo, JP;
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Abstract
Disclosed is a toner comprising at least a resin and a coloring agent, wherein the resin comprises toner particles in which a polyester resin unit is cross-linked by a diatomic cross-linking group expressed by a following general formula (1):—XYX—[wherein in the formula, Xdenotes a linking group; and Ydenotes a radical polymer unit having a number average molecular weight Mn ranging from 5000 or more to 50000 or less, and a ratio Mw/Mn ranging from 1.0 or more to 1.2 or less, wherein Mw denotes a weight average molecular weight, and Mn denotes the number average molecular weight].