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:
Mar. 12, 1991
Filed:
Oct. 04, 1989
Mitsutoshi Sakamoto, Osaka, JP;
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Toyo Ink Mfg. Co., Ltd., Tokyo, JP;
Abstract
This invention relates to a photosensitive member having a laminated photosensitive layer constituted by a charge generating layer and a charge transporting layer on an electrically conductive substrate, wherein the charge generating layer comprises a phthalocyanine compound as a charge generating material and an additive selected from the group consisting of indoles having a primary amino group, indazoles having a primary amino group, planar monocyclic compounds of five-membered ring or more having a primary amino group, anthrones represented by the general formula [I] below and acridones represented by the general formula [II] below; ##STR1## wherein n and m are an integer of 0-3 respectively; R.sub.1 and R.sub.2 are independently an alkyl group, an alkoxy group, an amino group, a hydroxy group, a halogen atom or a nitro group; when n is 2 or more, each R.sub.1 may be same or different; when m is 2 or more, each R.sub.2 may be same or different.