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:
Jul. 08, 2008
Filed:
Sep. 14, 2005
Hiroyuki Fujikawa, Yokohama, JP;
Nobuyoshi Sugahara, Toride, JP;
Takayuki Itakura, Mishima, JP;
Naoki Okamoto, Mishima, JP;
Koh Ishigami, Mishima, JP;
Yoshinobu Baba, Yokohama, JP;
Hirohide Tanikawa, Sunto-gun, JP;
Hiroyuki Fujikawa, Yokohama, JP;
Nobuyoshi Sugahara, Toride, JP;
Takayuki Itakura, Mishima, JP;
Naoki Okamoto, Mishima, JP;
Koh Ishigami, Mishima, JP;
Yoshinobu Baba, Yokohama, JP;
Hirohide Tanikawa, Sunto-gun, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides a toner improved in dispersibility of a colorant in the toner particles and excellent in the color reproducibility including color mixability and transparency. The toner is also excellent in the stability in long-term of the chargeability and capable of forming images maintaining high image quality. The present invention provides a toner for forming a full-color image which includes at least toner particles containing a binder resin, a colorant and a wax, and inorganic fine particles, wherein the binder resin comprises a resin having polyester units which is synthesized by use of an aromatic carboxylic acid titanium compound as a catalyst, and the inorganic fine particles comprise fine titanium oxide particles.