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.:
Date of Patent:
Mar. 22, 2011
Filed:
Dec. 28, 2005
Applicants:
Gen-ichi Ohta, Tokyo, JP;
Hiroto Kidokoro, Tokyo, JP;
Inventors:
Gen-ichi Ohta, Tokyo, JP;
Hiroto Kidokoro, Tokyo, JP;
Assignee:
Zeon Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a toner for developing electrostatic image comprising a colored particle containing a binder resin, a colorant and a release agent, wherein the toner for developing electrostatic image has two or more peaks of loss tangent (tan δ) in the range from 50 to 120° C., a loss tangent (tan δ) in the range from 100 to 200° C. is 0.8 or less, and a dispersed diameter of the release agent is 0.1 times or less shorter than a volume average particle diameter of the colored particle.