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:
Nov. 20, 2012
Filed:
Mar. 09, 2010
Yoritaka Tsubaki, Osaka, JP;
Yoshitaka Kawase, Osaka, JP;
Yoritaka Tsubaki, Osaka, JP;
Yoshitaka Kawase, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
There are provided a toner and a two-component developer effective to make exudation of a release agent easy during fixing and to prevent occurrence of high-temperature offset, in which both the preservation stability and the fixing property are improved at the same time. The capsule toner comprises a toner base particle and a resin layer formed of fine resin particles with which a surface of the toner base particle is coated. In the capsule toner, both of the following expressions are satisfied:; and ()<3×10where A is a storage elastic modulus of the toner base particle at a softening temperature of the toner base particle, and B is a storage elastic modulus of fine resin particle at the softening temperature of the toner base particle.