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:
Sep. 19, 2017
Filed:
May. 26, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Shinsuke Mochizuki, Yokohama, JP;
Kenichi Nakayama, Numazu, JP;
Koji Abe, Numazu, JP;
Toshihiko Katakura, Susono, JP;
Masatake Tanaka, Yokohama, JP;
Naoya Isono, Suntou-gun, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/093 (2006.01); G03G 9/097 (2006.01); G03G 9/08 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09321 (2013.01); G03G 9/0806 (2013.01); G03G 9/0821 (2013.01); G03G 9/09733 (2013.01); G03G 15/08 (2013.01);
Abstract
A toner includes a toner particle including a surface layer containing an organosilicon polymer. The toner particle contains a styrene acrylic resin and a block polymer that has i) a polyester segment C and a vinyl polymer segment A, the mass ratio C/A of the polyester segment C to the vinyl polymer segment A being 40/60 to 80/20, and ii) a melting point Tm of 55° C. to 90° C. The organosilicon polymer has a partial structure represented by Rf—SiO.