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. 07, 2001
Filed:
Aug. 24, 1999
Applicant:
Inventors:
Masato Tanaka, Shizuoka-ken, JP;
Kouichi Nakata, Numazu, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/502 ;
U.S. Cl.
CPC ...
G03G 1/502 ;
Abstract
An electrophotographic photosensitive member comprising a support and a photosensitive layer. The photosensitive layer contains an oxytitanium phthalocyanine having the strongest peak at 27.2°±0.2° of the diffraction angle (2&thgr;) in CuK&agr; characteristic X-ray diffraction and a hydroxygallium phthalocyanine having strong peaks at 7.4°±0.2° and 28.2°±0.2° of the diffraction angle (2&thgr;) in CuK&agr; characteristic X-ray diffraction. A process cartridge and an electrophotographic apparatus, employing the electrophotographic photosensitive member, are also disclosed.