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.:

US 8338066 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 25, 2012

Filed:

Sep. 02, 2009
Applicants:

Tsuyoshi Nozaki, Ikeda, JP;

Chiyoshi Nozaki, Otsu, JP;

Atsushi Yamamoto, Kawanishi, JP;

Minoru Nakamura, Mishima, JP;

Akira Izutani, Takatsuki, JP;

Inventors:

Tsuyoshi Nozaki, Ikeda, JP;

Chiyoshi Nozaki, Otsu, JP;

Atsushi Yamamoto, Kawanishi, JP;

Minoru Nakamura, Mishima, JP;

Akira Izutani, Takatsuki, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01);
U.S. Cl.
CPC ...
Abstract

A toner including a resin having a polyester skeleton, a coloring agent, a vinyl based copolymer resin, and a releasing agent, wherein the toner is manufactured by dissolving or dispersing a resin including the resin having a polyester skeleton and a mixture of the vinyl based copolymer resin and the releasing agent in an organic solvent to obtain a lysate and/or a dispersion material, dispersing the lysate and/or the dispersion material in an aqueous medium to obtain a liquid dispersion and removing the organic solvent from the liquid dispersion.


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