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:
Nov. 28, 2017
Filed:
Feb. 17, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yu Yoshida, Mishima, JP;
Yuhei Terui, Numazu, JP;
Haruko Kubo, Susono, JP;
Masashi Kawamura, Yokohama, JP;
Yasuaki Murai, Kawasaki, JP;
Takayuki Toyoda, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/097 (2006.01); G03G 9/087 (2006.01); G03G 9/08 (2006.01); G03G 9/09 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0821 (2013.01); G03G 9/0804 (2013.01); G03G 9/08711 (2013.01); G03G 9/091 (2013.01); G03G 9/092 (2013.01); G03G 9/0904 (2013.01); G03G 9/0918 (2013.01);
Abstract
A toner having a toner particle that contains a binder resin, a pigment, a pigment dispersant, and a crystalline polyester, wherein the pigment dispersant has a specific pigment adsorption segment and a polymer moiety and a hydrophobic parameter HP1 for the pigment dispersant and a hydrophobic parameter HP2 for the crystalline polyester satisfy the formula −0.28≦(HP1−HP2)≦0.15.