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. 13, 2018
Filed:
Jul. 27, 2016
Fuji Xerox Co., Ltd., Tokyo, JP;
Asafumi Fujita, Kanagawa, JP;
Shinichi Yaoi, Kanagawa, JP;
Seijiro Ishimaru, Kanagawa, JP;
Yasushige Nakamura, Kanagawa, JP;
FUJI XEROX CO., LTD., Tokyo, JP;
Abstract
An image forming apparatus includes a developing unit that contains an electrostatic charge image developer which contains a carrier and an electrostatic charge image developing toner, wherein the toner includes toner particles which contain a polyester resin, which is a polycondensate of a polycarboxylic acid and a polyol, and has a glass transition temperature of 50° C. to 70° C., the polyol includes a polyol not having a bisphenol A structure in a range of 50% by weight to 100% by weight, and a melt viscosity A of the toner at 110° C. after storage for 2 hours under the environment of absolute humidity of 82.7 (g/m) and a melt viscosity B of the toner at 110° C. after storage for 2 hours under the environment of absolute humidity of 16.5 (g/m) each are in the ranges specified in the specification.