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:
May. 26, 2015
Filed:
Feb. 26, 2009
Applicants:
Kazuki Takatsuka, Yamatokoriyama, JP;
Tatsuo Imafuku, Nara, JP;
Takahiro Bito, Nara, JP;
Takeshi Satoh, Yamatokoriyama, JP;
Masaki Ueji, Nara, JP;
Inventors:
Kazuki Takatsuka, Yamatokoriyama, JP;
Tatsuo Imafuku, Nara, JP;
Takahiro Bito, Nara, JP;
Takeshi Satoh, Yamatokoriyama, JP;
Masaki Ueji, Nara, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/10 (2006.01); G03G 15/08 (2006.01); G03G 9/113 (2006.01);
U.S. Cl.
CPC ...
G03G 9/1136 (2013.01); G03G 9/1137 (2013.01); G03G 9/1138 (2013.01); G03G 9/1139 (2013.01);
Abstract
The present invention provides a carrier for a two-component electrophotographic developer, comprising a core particle and a thermoset silicone resin layer coated thereon, wherein said layer comprises a charge control agent and is formed by heat-treatment at a temperature below the melting point of said charge control agent.