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:
Jun. 11, 2002

Filed:

Apr. 10, 2001
Applicant:
Inventors:

Kazufumi Tomita, Minamiashigara, JP;

Hiroyuki Tanaka, Minamiashigara, JP;

Hirotaka Matsuoka, Minamiashigara, JP;

Teigen Lee, Minamiashigara, JP;

Seiichi Takagi, Minamiashigara, JP;

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

An electrophotographic toner excellent in coloring property, fixing property, OHP transmittance and charging property, a process for producing the same, and a two-component developer are provided. The electrophotographic toner contains at least a binder resin, a colorant, a releasing agent and inorganic fine particles, in which the toner has a conglobation degree of about from 100 to 130, the releasing agent has an average particle diameter of about from 0.1 to 1 &mgr;m, a ratio of a major axis and a minor axis of about from 1.1 to 10, and the inorganic particles are dispersed in the toner particles.


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