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.

Date of Patent:
Oct. 22, 2013

Filed:

Sep. 02, 2011
Applicants:

Eisuke Iwazaki, Kanagawa, JP;

Shinya Sakamoto, Kanagawa, JP;

Tsuyoshi Murakami, Kanagawa, JP;

Satoshi Yoshida, Kanagawa, JP;

Satoshi Inoue, Kanagawa, JP;

Inventors:

Eisuke Iwazaki, Kanagawa, JP;

Shinya Sakamoto, Kanagawa, JP;

Tsuyoshi Murakami, Kanagawa, JP;

Satoshi Yoshida, Kanagawa, JP;

Satoshi Inoue, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a magenta toner containing toner particles that contain a colorant and a binder resin, wherein the colorant contains C.I. Pigment Red 57:1 and C.I. Pigment Yellow 180, a mass ratio between the C.I. Pigment Red 57:1 and the C.I. Pigment Yellow 180 being 99:1 to 10000:1, and wherein the binder resin contains a polyester resin that has a repeating unit derived from bisphenol A ethylene oxide represented by formula (1): wherein each of m and n independently represents an integer of 2 to 4.


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