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:
Feb. 01, 2022
Filed:
Sep. 27, 2018
Zeon Corporation, Tokyo, JP;
Sakyo Yagyu, Tokyo, JP;
ZEON CORPORATION, Tokyo, JP;
Abstract
Provided is a toner which provides excellent balance between high temperature storage stability and low temperature fixability and which is less likely to cause the bleeding out of a release agent even in a long-term, high-temperature condition. Disclosed is a toner for developing electrostatic images, comprising: colored resin particles comprising a binder resin, a colorant and a release agent, and an external additive, wherein the colored resin particles further comprise a styrene-based thermoplastic elastomer, and wherein a content of a fatty acid ester compound having a number average molecular weight (Mn) of 500 or more and less than 2,000 as the release agent, is from 2 parts by mass to 20 parts by mass with respect to 100 parts by mass of the binder resin.