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:
Mar. 21, 2017
Filed:
Nov. 26, 2014
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Naoya Isono, Suntou-gun, JP;
Masatake Tanaka, Yokohama, JP;
Tsutomu Shimano, Mishima, JP;
Shintaro Noji, Mishima, JP;
Yu 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 9/08711 (2013.01); G03G 9/0804 (2013.01); G03G 9/08755 (2013.01); G03G 9/08788 (2013.01); G03G 9/08795 (2013.01); G03G 9/08797 (2013.01);
Abstract
The present invention relates to a toner having a toner particle containing a binder resin containing a styrene acrylic resin and a block polymer, wherein the block polymer has a polyester segment and a vinyl polymer segment and has a melting point of 55° C. to 90° C., the polyester segment has a specific structure and a solubility parameter (SP) value of 9.40 to 9.85, and the vinyl polymer segment has a weight-average molecular weight (Mw) of 4000 to 15000.