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 8309289 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 13, 2012

Filed:

Mar. 19, 2010
Applicants:

Shintaro Anno, Kanagawa, JP;

Yoshifumi Iida, Kanagawa, JP;

Yutaka Saito, Kanagawa, JP;

Masaru Takahashi, Kanagawa, JP;

Toshiyuki Yano, Kanagawa, JP;

Inventors:

Shintaro Anno, Kanagawa, JP;

Yoshifumi Iida, Kanagawa, JP;

Yutaka Saito, Kanagawa, JP;

Masaru Takahashi, Kanagawa, JP;

Toshiyuki Yano, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electrostatic charge image developing toner including: toner particles including a binder resin and a colorant; polytetrafluoroethylene particles in which a content of perfluorooctanoic acid and a salt thereof is 0.5 ppm or less; and silica particles in which a content of water is from 0.1% by weight to 10% by weight at an ambient temperature of 20° C. and an ambient humidity of 20%.


Find Patent Forward Citations

Anno, Shintaro. (2012). Electrostatic charge image developing toner, electrostratic charge image developer, toner cartridge, process cartridge, and image forming apparatus (U.S. Patent No. 8309289). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8309289

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