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:
Apr. 13, 2004
Filed:
Apr. 01, 2002
Applicant:
Inventor:
Tokudai Ogawa, Kawasaki, JP;
Assignee:
Zeon Corp., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/097 ;
U.S. Cl.
CPC ...
G03G 9/097 ;
Abstract
A toner for development of electrostatic images, comprising colored particles containing at least a binder resin, a colorant and a softening agent, wherein the softening agent is an organic compound having a molecular weight of at least 1,000, a solubility of at least 5 g in 100 g of styrene as measured at 25° C., and an acid value of at most 10 mg KOH/g. The toner is excellent in fixing ability, shelf stability and flowability and permits forming images having high image quality. A production process thereof is also provided.