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:
Jun. 03, 2003
Filed:
Dec. 12, 2001
Jun Azuma, Osaka, JP;
Yukimasa Watanabe, Osaka, JP;
Hisakazu Honma, Osaka, JP;
Ayako Yashima, Osaka, JP;
Maki Uchida, Osaka, JP;
Eiichi Miyamoto, Osaka, JP;
Kyocera Mita Corporation, Osaka, JP;
Abstract
Disclosed is a single-layer type electrophotosensitive material comprising a conductive substrate and a photosensitive layer made of a binder resin containing at least an electric charge generating material and an electric charge transferring material, which is formed on the conductive substrate, wherein an oxygen transmission rate of the binder resin is not more than 35 cc·mm/m ·day·atom, wherein it is preferred that a mobility at an electric field strength of 5×10 V/cm of the hole transferring material is not less than 5×10 cm /V/sec and a solid content of the electric charge transferring material is not less than 30% by weight and not more than 50% by weight based on the whole solid content; said electrophotosensitive material has good ozone resistance and does not cause defects such as image black belt due to lowering of the charge capability, an ozone of which is 5.0 ppm at most, and is also superior in sensitivity and wear resistance.