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. 18, 2006
Filed:
Nov. 21, 2003
Yushi Mikuriya, Shizuoka, JP;
Yasushi Katsuta, Shizuoka, JP;
Keiji Komoto, Shizuoka, JP;
Takeshi Kaburagi, Shizuoka, JP;
Emi Tosaka, Shizuoka, JP;
Yushi Mikuriya, Shizuoka, JP;
Yasushi Katsuta, Shizuoka, JP;
Keiji Komoto, Shizuoka, JP;
Takeshi Kaburagi, Shizuoka, JP;
Emi Tosaka, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a toner having toner particles containing at least a colorant, a release agent and a polar resin, and an inorganic fine powder, the polar resin contains a polyester resin obtained by carrying out polymerization in the presence of a titanium chelate compound as a catalyst, and has an acid value in a specific range. The toner particles are granulated in an aqueous medium and have a weight-average particle diameter in a specific range.