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:
Oct. 19, 1999
Filed:
Sep. 11, 1997
Applicant:
Inventors:
Shigeo Matsuzaki, Sodegaura, JP;
Takashi Arakane, Sodegaura, JP;
Kazuo Murakata, Sodegaura, JP;
Susumu Kikuchi, Tokyo, JP;
Assignees:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Kyocera Corporation, Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
4301066 ; 430108 ;
Abstract
Disclosed is an electrophotographic carrier comprising a magnetic carrier core and a coating layer composed of a high molecular weight polyethylene resin with which the carrier core is coated, wherein the coating layer composed of a high molecular weight polyethylene resin includes a layer containing hydrophobic silica, a magnetic powder, and/or a micropowdered resin at least as the outermost layer.