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. 26, 2017
Filed:
Jul. 29, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Shohei Tsuda, Suntou-gun, JP;
Yojiro Hotta, Mishima, JP;
Koji Nishikawa, Susono, JP;
Masami Fujimoto, Suntou-gun, JP;
Katsuhisa Yamazaki, Numazu, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided is a toner having good endurance stability and good low-temperature fixability in high-speed printing, and having good resistance to the adhesion of printed paper. The toner is a magnetic toner having, on the surface of toner particle containing a binder resin and an ester compound as a releasing agent, inorganic fine particle 'a' and organic-inorganic composite fine particle having a volumetric specific heat of from 2,900 kJ/(m·° C.) to 4,200 kJ/(m·° C.), in which a coverage A of the surface of the toner particle with the inorganic fine particle 'a' is 45.0% or more and 70.0% or less.