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:
Dec. 01, 1992
Filed:
Sep. 11, 1991
Hitoshi Ono, Yokohama, JP;
Atsuo Saita, Machida, JP;
Mitsubishi Kasei Corporation, Tokyo, JP;
Abstract
An electrophotographic photoreceptor comprising an electrically conductive support and a photosensitive layer formed thereon, wherein said photosensitive layer contains an arylamine compound of the formula (I): ##STR1## wherein each of Ar.sup.1 and Ar.sup.2 which may be the same or different, is an arylene group which may have substituents, each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 which may be the same or different, is an alkyl group which may have substituents, an aryl group which may have substituents, or a heterocyclic group which may have substituents, provided that R.sup.1 may, together with R.sup.2 or Ar.sup.1, form a ring containing the adjacent nitrogen atom, and R.sup.3 may, together with R.sup.4 or Ar.sup.2, form a ring containing the adjacent nitrogen atom, each of R.sup.5, R.sup.6, R.sup.7 and R.sup.8 which may be the same or different, is a hydrogen atom, an alkyl group which may have substituents, an aryl group which may have substituents, or a heterocyclic group which may have substituents, and each of m and n which may be the same or different, is an integer of from 1 to 6.