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. 03, 2018
Filed:
Mar. 13, 2017
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yu Yoshida, Mishima, JP;
Yuhei Terui, Numazu, JP;
Haruko Kubo, Fukui, JP;
Hitoshi Itabashi, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/09 (2006.01); G03G 9/087 (2006.01); G03G 9/08 (2006.01); G03G 9/097 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0924 (2013.01); G03G 9/0804 (2013.01); G03G 9/0806 (2013.01); G03G 9/0819 (2013.01); G03G 9/08711 (2013.01); G03G 9/08726 (2013.01); G03G 9/08755 (2013.01); G03G 9/092 (2013.01); G03G 9/0918 (2013.01); G03G 9/09733 (2013.01);
Abstract
A toner comprising a toner particle containing a pigment, a resin A and a resin B, wherein the pigment is a pigment having a structure derived from a basic compound, the resin A has an acidic functional group, the resin B has an acid value of at least 2.0 mg KOH/g, the resin B has a glass transition temperature TgB of at least 50° C., and the hydrophobic parameter HPA of the resin A and the hydrophobic parameter of the resin B satisfy the following formulae:≥0.60≤0.70>0.