Class / Patent application number | Description | Number of patent applications / Date published |
430580850 | Charge transport layer containing alkenylarylamine | 9 |
20080305417 | MONOLAYER TYPE ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND ELECTROPHOTOGRAPHIC DEVICE PROVIDED WITH THE SAME - a monolayer type photoreceptor obtained by laminating a monolayer type photosensitive layer containing a charge generation material and a charge transport material on a conductive support, wherein the above monolayer type photosensitive layer comprises, as the above charge transport material; a hole transport material represented by the following formula (1) and an electron transport material represented by the following formula (2) | 12-11-2008 |
20090004585 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photoreceptor which can respond to a reduction in diameter of photoreceptor and a process having high circumferential speed, due to the demand in the miniaturization and increase in the speed of copiers and printers. The photoreceptor has high sensitivity in long-wavelength region, and is free from deterioration of electric characteristics even after repeated use, and is highly stable. The electrophotographic photoreceptor has a conductive support member and a photosensitive layer laminated thereon, which includes at least a charge-generating agent, a charge-transfer agent, and a binder resin. The charge-generating agent is oxytitanium phthalocyanine, which has a Bragg angle ( | 01-01-2009 |
20090305155 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING APPARATUS PROVIDED WITH THE SAME - A electrophotographic photoreceptor comprising a monolayered photosensitive layer containing a charge generation material and a charge transport material or a multilayered photosensitive layer obtained by laying a charge generation layer containing a charge generation material and a charge transport layer containing a charge transport material in this order or in reverse order, on a conductive support, wherein the monolayered photosensitive layer or the charge transport layer of the multilayered photosensitive layer contains, as the charge transport material, an enamine compound represented by the formula (I): | 12-10-2009 |
20090325096 | TRIS(ENYLARYL)AMINE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a tris(enylaryl)amine containing charge transport layer. | 12-31-2009 |
20100233602 | Electrophotographic Photoconductor - An electrophotographic photoconductor including a conductive substrate, and a photosensitive layer formed on the conductive substrate, wherein the photosensitive layer contains at least a charge generation agent, a specific charge transfer agent and a specific antioxidant. | 09-16-2010 |
20120208117 | DIPHENYLNAPHTHYLAMINE DERIVATIVES - [Problems] To provide a novel compound which has a high carrier mobility and is useful as a charge-transporting agent that is not only capable of stably forming a photosensitive layer without precipitating crystals or forming pinholes at the time of forming the photosensitive layer but is also capable of forming an organic photosensitive material for electrophotography that has a high sensitivity and a low residual potential. | 08-16-2012 |
20130137027 | CHARGE TRANSPORT LAYER FOR ORGANIC PHOTOCONDUCTORS - An organic photoconductor includes an inner charge generation layer for generating charges and an outer charge transport layer for facilitating charge transport. The charge transport layer comprises a semi-interpenetrating hole-transport polymer or oligomer network in which the polymer or oligomer is cross-linked. A process for forming a charge transport layer in an organic photoconductor is also provided. | 05-30-2013 |
20140127617 | ORGANIC PHOTOCONDUCTOR COATING - An organic photoconductor includes a conductive substrate; a charge generation layer over the conductive substrate; a charge transport layer over the charge generation layer; and an overcoat layer over the charge transport layer. The overcoat layer comprises a cross-linked polyacrylate that includes a charge transport material dispersed therein and a polyhedral oligomeric silsesquioxane. | 05-08-2014 |
20140127618 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR - An electrophotographic photoreceptor includes: a conductive substrate; and a photosensitive layer provided on the conductive substrate and containing an organic photoconductive material and charge transport materials including a styryl compound represented by structural formula (I) below and a triphenylamine compound represented by structural formula (II) below | 05-08-2014 |