Patent application number | Description | Published |
20150093693 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member, including a support, a charge generating layer on the support, and a charge transporting layer on the charge generating layer, wherein the charge generating layer includes a gallium phthalocyanine crystal, a nitrogen-containing heterocyclic compound having a nitrogen atom having a substituent, and a compound represented by Formula (1) or (2). | 04-02-2015 |
20150093694 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member, comprising a support, a charge generating layer on the support and a charge transporting layer on the charge generating layer, wherein the charge generating layer comprises a gallium phthalocyanine crystal, a nitrogen-containing heterocyclic compound and a compound represented by Formula (1), wherein a nitrogen atom in a heterocyclic ring of the nitrogen-containing heterocyclic compound has a substituent. | 04-02-2015 |
20150309427 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS, AND HYDROXYGALLIUM PHTHALOCYANINE CRYSTAL - An electrophotographic photosensitive member includes a support and a photosensitive layer on the support, and the photosensitive layer contains a hydroxygallium phthalocyanine crystal having peaks at Bragg angles 2θ±0.2° of 6.9°, 7.7°, 16.4°, 24.4°, and 26.5° in CuKα X-ray diffraction. | 10-29-2015 |
20150309428 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS, PHTHALOCYANINE CRYSTAL, AND METHOD FOR PRODUCING PHTHALOCYANINE CRYSTAL - An electrophotographic photosensitive member includes a support and a photosensitive layer formed on the support. The photosensitive layer contains a phthalocyanine crystal in which a particular amide compound is contained. | 10-29-2015 |
20150316862 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND MANUFACTURING METHOD THEREFOR, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS INCLUDING THE ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, AND PHTHALOCYANINE CRYSTAL AND METHOD PRODUCING THEREFOR - Provided is an electrophotographic photosensitive member, including a photosensitive layer that includes a phthalocyanine crystal in which a compound represented by the following formula (1) is contained: | 11-05-2015 |
20150316864 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND MANUFACTURING METHOD THEREOF, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS, AND PHTHALOCYANINE CRYSTAL AND MANUFACTURING METHOD THEREOF - An electrophotographic photosensitive member capable of outputting an image with suppressed positive ghosting, and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member are provided. The electrophotographic photosensitive member has a photosensitive layer including a phthalocyanine crystal in which the compound represented by the formula (1) is contained, wherein the content of the compound represented by the formula (1) is 0.1% by mass or more and 1.7% by mass or less based on the phthalocyanine crystal. | 11-05-2015 |
20150346616 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, MANUFACTURING METHOD OF ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS, AND PHTHALOCYANINE CRYSTAL AND MANUFACTURING METHOD OF PHTHALOCYANINE CRYSTAL - The present invention provides: an electrophotographic photosensitive member which reduces image defects due to ghosting not only under a normal temperature and normal humidity environment but also even under a low temperature and low humidity environment; and a novel phthalocyanine crystal. The electrophotographic photosensitive member of the present invention comprises a photosensitive layer which comprises a phthalocyanine crystal in which a N,N-dimethylformamide is contained. The content of the N,N-dimethylformamide is 0.1% by mass or more and 1.5% by mass or less based on the phthalocyanine crystal. | 12-03-2015 |
20150346617 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, MANUFACTURING METHOD OF ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS, AND PHTHALOCYANINE CRYSTAL AND MANUFACTURING METHOD OF PHTHALOCYANINE CRYSTAL - The present invention provides: an electrophotographic photosensitive member which reduces image defects due to ghosting not only under a normal temperature and normal humidity environment but also even under a low temperature and low humidity environment; and a novel phthalocyanine crystal. The electrophotographic photosensitive member of the present invention includes a photosensitive layer which comprises a phthalocyanine crystal in which a dimethyl sulfoxide is contained. The content of the dimethyl sulfoxide is 0.1% by mass or more and 1.7% by mass or less based on the phthalocyanine crystal. | 12-03-2015 |