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. 27, 2012
Filed:
Oct. 14, 2008
Noriyuki Mizutani, Kanagawa, JP;
Yasuhiro Arima, Kanagawa, JP;
Fusako Kiyono, Kanagawa, JP;
Susumu Yoshino, Kanagawa, JP;
Noriyuki Mizutani, Kanagawa, JP;
Yasuhiro Arima, Kanagawa, JP;
Fusako Kiyono, Kanagawa, JP;
Susumu Yoshino, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An electrostatic charge developer includes a carrier having a core material and a resin coating layer covering the surface of the core material, and a toner having a binder resin that contains a non-crystalline polyester resin and a crystalline polyester resin. The resin coating layer contains a copolymer that contains a nitrogen-containing acrylic ester or nitrogen-containing methacrylic ester and an alicyclic acrylic ester or alicyclic methacrylic ester. The non-crystalline polyester resin contains at least an alkyl succinic acid or an anhydride or lower alkyl ester thereof, or an alkenyl succinic acid or an anhydride or lower alkyl ester thereof. The crystalline polyester resin is an aliphatic polyester resin.