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 8574800 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 05, 2013

Filed:

Dec. 09, 2009
Applicants:

Masahiro Okita, Kanagawa, JP;

Yutaka Saito, Kanagawa, JP;

Yasuaki Hashimoto, Kanagawa, JP;

Inventors:

Masahiro Okita, Kanagawa, JP;

Yutaka Saito, Kanagawa, JP;

Yasuaki Hashimoto, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01); G03G 9/097 (2006.01);
U.S. Cl.
CPC ...
Abstract

A toner for electrostatic charge image development includes toner particles and fatty acid metal salt particles. The content of the fatty acid metal salt particles is from 0.2 parts by weight to 5 parts by weight with respect to 100 parts by weight of the toner particles; the weight of fatty acid metal salt particles remaining on a sieve having an opening of 25 μm when the toner is sieved with the sieve having an opening of 25 μm is from 0.015% by weight to 0.300% by weight with respect to the total weight of the toner; and the weight of fatty acid metal salt particles remaining on a sieve having an opening of 45 μm when the toner is sieved with the sieve having an opening of 45 μm is 0.030% by weight or less with respect to the total weight of the toner.


Find Patent Forward Citations

Okita, Masahiro. (2013). Toner for electrostatic charge image development, electrostatic charge image developer, toner cartridge, process cartridge and image forming device (U.S. Patent No. 8574800). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8574800

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…