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. 07, 1996
Filed:
May. 19, 1995
Toshiyuki Fukami, Osaka, JP;
Hideo Nakamori, Osaka, JP;
Hiroshi Shiomi, Osaka, JP;
Hirofumi Kawaguchi, Osaka, JP;
Hisakazu Uegaito, Osaka, JP;
Nariaki Muto, Osaka, JP;
Mikio Kakui, Osaka, JP;
Keisuke Sumida, Osaka, JP;
Sakae Saito, Osaka, JP;
Maki Uchida, Osaka, JP;
Mita Industrial Co., Ltd., , JP;
Abstract
The present invention provides an electrophotosensitive material having an improved sensitivity in comparison with a conventional one, obtained by combining a trinitrofluorenoneimine derivative represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and indicate a hydrogen atom, an alkyl group, an alkoxy group, an aryl group which may contain a substituent, an aralkyl group which may contain a substituent, or a halogen atom! as an electron transferring material with a prescribed electric charge generating material or hole transferring material.