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:
Apr. 12, 2011
Filed:
Oct. 13, 2009
Michihisa Magome, Mishima, JP;
Tadashi Dojo, Numazu, JP;
Eriko Yanase, Kawasaki, JP;
Takashi Matsui, Suntou-gun, JP;
Tomohisa Sano, Suntou-gun, JP;
Akira Sakakibara, Susono, JP;
Shuichi Hiroko, Susono, JP;
Michihisa Magome, Mishima, JP;
Tadashi Dojo, Numazu, JP;
Eriko Yanase, Kawasaki, JP;
Takashi Matsui, Suntou-gun, JP;
Tomohisa Sano, Suntou-gun, JP;
Akira Sakakibara, Susono, JP;
Shuichi Hiroko, Susono, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a toner containing at least a binder resin, a colorant, an ester compound and a low-melting material, the ester compound is an ester of dipentaerythritol with a carboxylic acid having 18 or more to 25 or less carbon atoms, and, where the melting point of the ester compound is represented by Tm(° C.) and the melting point of the low-melting material is represented by Tm(° C.), the toner satisfies the relationship of:+5.