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. 03, 2013

Filed:

Feb. 03, 2010
Applicants:

Daisuke Ishizuka, Kanagawa, JP;

Shinichi Yaoi, Kanagawa, JP;

Yasushige Nakamura, Kanagawa, JP;

Inventors:

Daisuke Ishizuka, Kanagawa, JP;

Shinichi Yaoi, Kanagawa, JP;

Yasushige Nakamura, Kanagawa, JP;

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

An electrostatic-image-developing toner includes a polyester resin; two or more pigments; a polyethylene wax; and a polyolefin-polyvinyl-based graft copolymer, and satisfies the relationship represented by the following equation (1):0.2≦≦5.0  (1)wherein wp represents a total content (wt. %) of the pigments, and wd represents a content (wt. %) of the polyolefin-polyvinyl-based graft copolymer.


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