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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7166399 | Photosensitive member having anti-curl backing layer with lignin sulfonic acid doped polyaniline An electrostatographic imaging member having a charge-retentive surface and a substrate, an imaging layer to receive an electrostatic latent image thereon, wherein the imaging layer is positioned on one side of the substrate, and an anti-curl backing layer positione... | 01/23/2007 |
| 7150950 | Photosensitive member having ground strip with lignin sulfonic acid doped polyaniline An electrostatographic imaging member having a flexible supporting substrate, an imaging layer capable of retaining an electrostatic latent image, and an electrically conductive ground strip layer comprising a film forming binder and a lignin sulfonic acid doped pol... | 12/19/2006 |
| 7083826 | Coating die and method for use The invention is a die comprising a die body. The die body defines an internal cavity and an applicator slot. The cavity is in fluid communication with the applicator slot. A plurality of gas relief passages are in fluid communication with the internal cavity. ... | 08/01/2006 |
| 6444385 | Electrophotosensitive material and method of producing the same The present invention relates to an electrophotosensitive material wherein a layer containing a binder resin and a pigment among a photosensitive layer is formed by applying and drying a coating solution prepared by dispersing the binder resin and the pig... | 09/03/2002 |
| 6376141 | Photoreceptor with layered charge generation section An electrophotographic imaging member with a charge generation section having separate layers of benzimidazole perylene photoconductive pigment and hydroxygallium ptalocyanine photoconductive pigment.... | 04/23/2002 |
| 6265123 | Electrophotographic photosensitive element and manufacturing method thereof An electrophotographic photosensitive element is provided with a photosensitive layer containing a charge generating substance and a charge transport substance on a conductive support. X-type metal-free phthalocyanine and a disazo compound are contained a... | 07/24/2001 |
| 6214513 | Slot coating under an electric field A coating process for the fabrication of organic photoreceptors employs an electrically conductive single slot die biased to allow an electric field between the die and the ground plane on the photoreceptor substrate. The homogenous coating dispersion is ... | 04/10/2001 |
| 6132923 | Anticurl backing layer in electrostatographic imaging members A flexible electrostatographic imaging member having at least a first parallel side and a second parallel side, the imaging member including a supporting substrate layer, at least one imaging layer on one side of the substrate layer, and an anticurl backing layer o... | 10/17/2000 |
| 6048658 | Process for preparing electrophotographic imaging member A process for fabricating electrophotographic imaging members comprising providing a substrate with an exposed surface, simultaneously applying, from a coating die, two wet coatings to the surface, the wet coatings comprising a first coating in contact wi... | 04/11/2000 |
| 5792582 | Electrophotographic imaging member resistant to charge depletion An electrophotographic imaging member including a supporting substrate, a charge generating layer comprising photoconductive pigment particles, a first film forming binder and 2,6-di-tert-butyl-4-methylphenol, and a charge transport layer. This imaging me... | 08/11/1998 |
| 5541031 | Polymer particles and toner for electrophotography using the polymer particles Polymer particles which are substantially spherical and have protrusions on the surface thereof, with such a particle size distribution that the volume mean diameter dv thereof is 1ࣘdvࣘ15 (μm), and the ratio of the volume mean diameter dv to the numb... | 07/30/1996 |
| 5478684 | Photoconductor for electrophotography and manufacturing method thereof A photoconductor for electrophotography is formed of photoconductive material, which includes a substrate, and laminated layers formed on the substrate. The laminated layers includes a charge generation layer and a charge transport layer. The charge gener... | 12/26/1995 |
| 5240814 | Curable, heat activatable transfer toners A non-electroscopic prolonged tack toner for transferring toned images to an image receptor at low temperatures with improved back transfer characteristics.... | 08/31/1993 |
| 5139913 | Photosensor having a monomolecular membranes of squarylium pigment A photosensor having a photoconductive layer made of built-up monomelecular membranes containing a squarylium pigment represented by the formula (I): ##STR1## wherein R1, R2, R3 and R4, which may be the same or ... | 08/18/1992 |
| 4943508 | Method of fabricating a layered flexible electrophotographic imaging member A process for fabricating an electrophotographic imaging member is disclosed which involves providing an electrically conductive layer, forming an aminosilane reaction product charge blocking layer on the electrically conductive layer, extruding a ribbon ... | 07/24/1990 |
| 4935325 | Toner and image forming method using magnetic material with specific tap density and linseed oil absorption A magnetic toner suitably used for developing a digital latent image is provided. The magnetic toner comprises a binder resin and a specific magnetic material comprising spherical magnetic particles which have a tap density of 1.2-2.5 g/cm3 and... | 06/19/1990 |
| 4647521 | Image-holding member having top layer of hydrophobic silica A photosensitive member, or image-holding member, for electrophotography having a conductive substrate, a top layer for holding electrostatic image and/or toner image wherein the top layer is formed by applying a coating fluid containing hydrophobic silic... | 03/03/1987 |
| 4639402 | Photoreceptor containing selenium particles coated with a reaction product of a hydrolyzed silane An electrostatographic imaging member comprising a photoconductive layer comprising an organic resin binder and photoconductive particles comprising selenium coated with thin layer of a reaction product of a hydrolyzed aminosilane. This electrostatographi... | 01/27/1987 |
| 4637971 | Photoreceptor having polycarbonate layers and process for the preparation thereof A photoreceptor comprising a photosensitive layer and a support, wherein said photosensitive layer contains a polycarbonate compound binder selected from the group consisting of Formula A and B, ##STR1## wherein R1 and R2 are in... | 01/20/1987 |
| 4522906 | Electrophotographic plate-making material An electrophotographic plate-making material comprising a paper support and a photoconductive layer is described. This paper support is prepared by providing a polyolefin resin layer on both surfaces of a paper substrate by molten extrusion lamination, an... | 06/11/1985 |
| 4233388 | Method for making toner particles A process for preparing electrostatographic toner particles having controlled particle size and size distribution is provided by forming a blend of a molten mass of polymer and a colorant, cooling and solidifying the blend in the form of a film or fiber t... | 11/11/1980 |
| 4014728 | Method of making an imaging member A method of forming an imaging member consisting essentially of (a) preparing a photoconductive layer comprising a block copolymer which exhibits a lamellar morphology, said copolymer having lamellae of at least 2 phases, one phase comprising a photocondu... | 03/29/1977 |
| 3979495 | Method of making a photoreceptor A photoconductive layer comprising a block copolymer which exhibits a lamellar morphology, said copolymer having lamellae of at least 2 phases, one phase comprising a photoconductive material and the other phase an elastomeric material, with said lamellae... | 09/07/1976 |
| 3973961 | Process and apparatus for the manufacture of a series of photoconductor webs Disclosed is a process for the manufacture of a series of photoconductor webs spaced apart from each other on a carrier web by electrically conductive spacing strips extending transversely of the carrier web, comprising (a) transporting a carrier web havi... | 08/10/1976 |
