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:
Dec. 26, 2017
Filed:
May. 04, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Naoya Isono, Suntou-gun, JP;
Yoshihiro Nakagawa, Numazu, JP;
Harumi Takada, Susono, JP;
Reo Tagawa, Susono, JP;
Shiro Kuroki, Suntou-gun, JP;
Sara Yoshida, Mishima, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01); G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08788 (2013.01); G03G 9/0806 (2013.01); G03G 9/08795 (2013.01); G03G 9/08797 (2013.01);
Abstract
A toner contains a styrene acrylic resin, a block polymer, and an organosilicon polymer, in which the organosilicon polymer has a specific partial structure, the block polymer has a polyester segment and a vinyl polymer segment, the melting point is 55° C. or more and 90° C. or less, the mass ratio of the polyester segment to the vinyl polymer segment is 40/60 to 80/20, and the polyester segment has a specific unit.