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. 14, 2012
Filed:
Jun. 17, 2010
Akihiko Itami, Tokyo, JP;
Akihiko Itami, Tokyo, JP;
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Abstract
An electrophotographic photoreceptor comprising an electrically conductive support having thereon a photo sensitive layer having a laminated structure comprising a charge generation layer and a charge transport layer, wherein the charge generation layer comprises a titanyl phthalocyanine pigment having a crystal structure exhibiting the following peaks of Bragg angles 2θ (±0.2°) of X-ray powder diffraction employing a characteristic X-ray of a CuKα radiation (having a wavelength of 1.542 Å): at least a largest diffraction peak at 27.2°, major diffraction peaks at 9.4°, 9.6° and 24.0°, and a diffraction peak of a lowest angle at 7.3° while exhibiting no peak between the peaks of 7.3° and 9.4° and no peak at 26.3°; and the charge transport layer comprises a compound represented by Formula (1) or (2), wherein A, B, C and D are not simultaneously a hydrogen atom: