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:
Dec. 27, 2011

Filed:

May. 19, 2009
Applicants:

Naohiro Hirose, Tokyo, JP;

Kaori Soeda, Tokyo, JP;

Shinya Obara, Tokyo, JP;

Tatsuya Fujisaki, Tokyo, JP;

Yohei Ohno, Tokyo, JP;

Inventors:

Naohiro Hirose, Tokyo, JP;

Kaori Soeda, Tokyo, JP;

Shinya Obara, Tokyo, JP;

Tatsuya Fujisaki, Tokyo, JP;

Yohei Ohno, Tokyo, JP;

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

Provided is a set of toners comprising a yellow toner, a magenta toner, a cyan toner and a black toner for forming a full color image with an electrophotographic method, wherein the yellow toner comprises toner particles containing at east one pigment selected from the group consisting of C. I. Pigment Yellow 74, C. I. Pigment Yellow 139, C. I. Pigment Yellow 180, C. I. Pigment Yellow 185 and C. I. Pigment Yellow 155; the magenta toner comprises toner particles containing a rhodamine based dye represented at least by Formula (1) and Formula (2), and the cyan toner comprises toner particles containing a phthalocyanine based dye represented by Formula (5):


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