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. 07, 2010
Filed:
Jan. 20, 2009
Yasushi Katsuta, Suntou-gun, JP;
Koji Inaba, Hadano, JP;
Ken-ichi Nakayama, Numazu, JP;
Kenta Kamikura, Mishima, JP;
Yasushi Katsuta, Suntou-gun, JP;
Koji Inaba, Hadano, JP;
Ken-ichi Nakayama, Numazu, JP;
Kenta Kamikura, Mishima, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is a toner including toner particles each containing at least a binder resin, a colorant, and a wax component, and an inorganic fine powder, the toner being wherein: in a microscopic compression test on the toner, a recovery ratio Z(25) and the gradient of a load-displacement curve R(25) each satisfy a specific range; and the toner has a glass transition temperature (TgA) measured with a differential scanning calorimeter (DSC) in a specific range and a temperature (P) of the highest endothermic peak measured with the DSC in a specific range, and the temperature (P) of the highest endothermic peak and the glass transition temperature (TgA) satisfy a specific relationship.