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:
Aug. 25, 1992
Filed:
Aug. 10, 1990
Mitsubishi Paper Mills Limited, Tokyo, JP;
Abstract
The present invention provides an electro-photographic photoreceptor which is high in sensitivity and endurance which comprises an electroconductive support and, provided thereon, a photosensitive layer which contains a compound represented by the following formula [I]: ##STR1## wherein R.sup.1 and R.sup.2 each represents a hydrogen atom or an alkyl, aralkyl or aryl group which may have substituent: X represents ##STR2## in which R.sup.3 and R.sup.4 each represents an alkyl, aralkyl or aryl group which may have substituent and R.sup.5 and R.sup.6 each represents a hydrogen atom or an alkyl, aralkyl or aryl group which may have substituent and R.sup.5 and R.sup.6 may link to each other to form a ring; and Z represents a group of atoms necessary for forming a saturated 5-8 membered ring together with two carbon atoms of the indoline ring.