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. 28, 2009
Filed:
Feb. 07, 2006
Tomoko Toizumi, Nara, JP;
Yoshiaki Akazawa, Nara, JP;
Satoshi Ogawa, Nara, JP;
Masao Suzuki, Yamatokoriyama, JP;
Akio Matsumoto, Nara, JP;
Hiroshi Onda, Yamatokoriyama, JP;
Kiyoshi Toizumi, Nara, JP;
Toshihisa Ishida, Kashiba, JP;
Tadayuki Sawai, Nara, JP;
Kouji Kida, Nara, JP;
Tohru Nishikawa, Yamatokoriyama, JP;
Masahiko Kubo, Nara, JP;
Tomoko Toizumi, Nara, JP;
Yoshiaki Akazawa, Nara, JP;
Satoshi Ogawa, Nara, JP;
Masao Suzuki, Yamatokoriyama, JP;
Akio Matsumoto, Nara, JP;
Hiroshi Onda, Yamatokoriyama, JP;
Kiyoshi Toizumi, Nara, JP;
Toshihisa Ishida, Kashiba, JP;
Tadayuki Sawai, Nara, JP;
Kouji Kida, Nara, JP;
Tohru Nishikawa, Yamatokoriyama, JP;
Masahiko Kubo, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
Provided is a toner not undergoing the effect of change of temperature and humidity, with high charging stability and having good fixing property and releasability. This is an electrophotographic toner containing at least a binder resin, a colorant, a charge controller and a wax in which the binder resin comprises a polyester resin having an aromatic alcohol ingredient, the charge controller comprises an organic bentonite and the wax comprises a non-polar paraffin wax.