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. 02, 2016
Filed:
Mar. 08, 2013
Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Shintaro Fukuoka, Osaka, JP;
Tadayuki Sawai, Osaka, JP;
Yoritaka Tsubaki, Osaka, JP;
Keigo Mitamura, Osaka, JP;
Yui Kawano, Osaka, JP;
Keiichi Kikawa, Osaka, JP;
SHARP KABUSHIKI KAISHA, Osaka-Shi, Osaka, JP;
Abstract
Toners of respective colors of a full-color toner set each contain a binder resin which is polyester resin; and a release agent dispersing aid which is styrene acrylic copolymer resin having at least one of an α-methylstyrene structure and a styrene structure. The styrene acrylic copolymer resin is contained in an amount of 7 parts by weight to 14 parts by weight with respect to 100 parts by weight of the polyester resin. The full-color toner set has a sum of resistivities of the toners of the respective colors of 410×10to 510×10(Ω·cm).