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8178266 |
Electrophotographic photoreceptor, image forming apparatus using the electrophotographic photoreceptor, and method of producing electrophotographic photoreceptor
An electrophotographic photoreceptor is provided that contains a conductive substrate, an undercoat layer, a charge generation layer, and a charge transport layer, wherein the under coat layer...
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8088541 |
Polyvinyl acetal resin, electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
The present invention relates to a polyvinyl acetal resin having a specific repeating structural unit, an electrophotographic photosensitive member using the polyvinyl acetal resin, and a process...
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8076046 |
Electrophotographic photoreceptor and image formation device provided with the same
An electrophotographic photoreceptor comprising a conductive support and a photosensitive layer obtained by laminating at least a charge generation layer and a charge transport layer containing a...
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8067139 |
Resin mixture backing layer containing photoconductor
A photoconductor that includes, for example, a backing layer, a supporting substrate, a photogenerating layer, and a charge transport layer, and where the outermost layer of the backing layer is...
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8062817 |
Crosslinked resin mixture backing layer containing photoconductor
A photoconductor that includes, for example, a backing layer, a supporting substrate, a photogenerating layer, and a charge transport layer, and where the outermost layer of the backing layer is...
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8021810 |
Image carrier, process cartridge and image-forming apparatus
An image carrier includes a conductive base material and a photosensitive layer formed on the base material. The photosensitive layer has an outermost surface layer that contains particles having a...
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7977020 |
Electrophotographic photoreceptor containing enamine compound, image formation apparatus provided with the same, enamine compound and method for producing the same
An electrophotographic photoreceptor comprising laminating a monolayer type photosensitive layer containing a charge generation material and a charge transport material or a laminate type...
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7955768 |
Electrophotographic photoconductor and method for producing the same, image forming apparatus, and process cartridge
There is provided an electrophotographic photoconductor containing a conductive substrate, and a photosensitive layer, disposed thereon, containing a charge transporting material having a...
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7923188 |
Imaging member
The presently disclosed embodiments are directed to charge transport layers useful in electrostatography. More particularly, the embodiments pertain to an improved electrostatographic imaging...
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7919219 |
Electrophotographic photosensitive body
An object of the present invention is to provide an electrophotographic photosensitive body which is not impaired in electrophotographic characteristics such as charged potential and residual...
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7914961 |
Salt additive containing photoconductors
A photoconductor comprising a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein at least one...
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7914960 |
Additive containing charge transport layer photoconductors
A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and where...
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7901856 |
Additive containing photogenerating layer photoconductors
A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and where...
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7897313 |
Electrostatic latent image bearing member, and image forming apparatus and process cartridge using the electrostatic latent image bearing member
An electrostatic latent image bearing member is provided including a substrate and a photosensitive layer located overlying the substrate, wherein the outermost layer of the electrostatic latent...
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7851114 |
Electrostatic latent image bearing member, and image forming apparatus, process cartridge, and image forming method using the same
An electrostatic latent image bearing member is provided including a substrate and a photosensitive layer located overlying the substrate, wherein the outermost layer of the electrostatic latent...
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7846627 |
Aminoketone containing photoconductors
A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and...
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7842443 |
Method for evaluating electrophotographic photoconductor and the evaluation device, and method for reusing electrophotographic photoconductor
A method for evaluating an electrophotographic photoconductor in terms of filming occurrence is provided that comprises irradiating UV rays having a wavelength of 200 nm to 420 nm onto the...
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7838187 |
Imaging member
The presently disclosed embodiments are directed to charge transport layers useful in electrostatography. More particularly, the embodiments pertain to an improved electrostatographic imaging...
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7829251 |
Mechanical and electrical robust imaging member and a process for producing same
Disclosed herein is a flexible imaging member having a high concentration of a charge transport compound having optimum enhanced mechanical and electrical characteristics. By increasing the...
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7799492 |
P-terphenyl compound and photosensitive body for electrophotography using such compound
The present invention provides p-terphenyl compounds represented by the following general formula (1) and (2): and an electrophotographic photoconductor containing the compound. According to the...
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7799493 |
Process for preparing a polyformyl arylamine
A process including reacting a substituted or unsubstituted arylamine or a mixture thereof with a Vilsmeier reagent in the presence of a weakly polar liquid.
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7790342 |
Electrophotographic photosensitive body
An object of the present invention is to provide an electrophotographic photosensitive body having improved electrophotographic characteristics such as sensitivity and residual potential and also...
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7771908 |
Anticurl backside coating (ACBC) photoconductors
A photoconductor that includes a first layer, a supporting substrate thereover, a photogenerating layer, and at least one charge transport layer containing at least one charge transport component,...
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7759030 |
P-terphenyl compound and photosensitive body for electrophotography using such compound
The present invention provides p-terphenyl compounds represented by the following general formula (1) and (2): and an electrophotographic photoconductor containing the compound. According to the...
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7709168 |
Phosphonium containing charge transport layer photoconductors
A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and...
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7687212 |
Charge trapping releaser containing photogenerating layer photoconductors
A photoconductor that includes for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and where...
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7662526 |
Photoconductors
A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, and wherein the charge transport...
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7659043 |
Composition for conductive materials, conductive material, conductive layer, electronic device, and electronic equipment
The object of the present invention is to provide a composition for conductive materials from which a conductive layer having a high carrier transport ability can be made, a conductive material...
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7651827 |
Photoreceptor layer having phosphorus-containing lubricant
An imaging member containing a substrate, and an outer layer containing a phosphorus-containing lubricant, and an image forming apparatus for forming images on a recording medium including the...
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7575838 |
Imaging members and method for sensitizing a charge generation layer of an imaging member
An imaging member including a substrate; thereover a charge generation layer comprising a thiophosphate; and at least one charge transport layer positioned on the charge generation layer.
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7547842 |
Spatially-doped charge transport layers
Disclosed herein is an organic electronic device comprising a charge transport layer comprising a host charge transport material and a guest charge transport material, wherein the guest material is...
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7527902 |
Photoreceptor layer having solid and liquid lubricants
An imaging member containing a substrate, and an outer layer containing solid and liquid lubricants, and an image forming apparatus for forming images on a recording medium including the imaging...
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7504187 |
Mechanically robust imaging member overcoat
The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More...
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7501216 |
Azine-based charge transport materials
This invention includes an improved organophotoreceptor having an electrically conductive substrate and a photoconductive element on the electrically conductive substrate where the photoconductive...
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7452640 |
Electrophotographic photoconductor for liquid development, image forming apparatus having the same, and image forming method
An object of the present invention is to provide an electrophotographic photoconductor for liquid development, having high resistance to a carrier solvent for use in a liquid developing method and...
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7432028 |
Polymeric charge transport compositions
This invention relates to a novel organophotoreceptor that includes: (a) a charge transport composition comprising molecules having the formula where n is an average of a distribution of integers...
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7422831 |
Anticurl back coating layer electrophotographic imaging members
The presently disclosed embodiments are directed to anticurl back coatings useful in electrophotography. More particularly, the embodiments pertain to an electrophotographic imaging member with an...
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7378203 |
Charge transport materials having at least a metallocene group
Improved charge transport material comprises the formula: where M comprises a metallocenyl group;Y comprises a functional group selected from the group consisting of a metallocenyl group, a...
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7297449 |
Optical recording medium and optical recording apparatus
There is provided an optical recording medium comprising a recording layer containing a charge-generating material capable of generating a first electric charge and a second electric charge by beam...
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7169519 |
Double-layered positively-charged organic photoreceptor
A double-layered positively-charged organic photoreceptor t does not suffer from contamination caused by charge transport compounds that dissolve out during coating of a charge generating layer,...
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7166400 |
Organophotoreceptor with a hydrazone polymer charge transport material
An organophotoreceptor comprises an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having a) a charge transport...
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7115347 |
Azine-based dimeric charge transport materials
Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a...
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6960418 |
Organophotoreceptor with charge transport material with two N,N,N-trisubstituted-amino groups
Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a...
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6864028 |
Di-hydrazone based charge transport compounds
Improved organophotoreceptors have: (a) a charge transport compound having the formula where R1 and R2 are, independently, an (N,N-disubstituted) arylamine group, such as a julolidine group, a...
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6787276 |
Dual layer photoconductors with charge transport layer including styrene-acrylic resin
Charge transport layers comprise a charge transport compound and binder including styrene-acrylic resin. Dual layer photoconductors comprise a substrate, a charge transport layer as described, and...
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6720121 |
Electrophotographic photoconductor and manufacturing method therefor
An electrophotographic photoconductor and method of manufacturing thereof exhibits excellent characteristics of residual potential and repetition potential by containment of an additive of a...
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6521386 |
Electrophotographic photoreceptor and electrophotographic image forming method and apparatus using the photoreceptor
An electrophotographic photoreceptor including an electroconductive substrate and a photoreceptive layer, which is formed overlying the substrate, wherein the photoreceptive layer includes a charge...
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6465142 |
Low-temperature cure polyvinylbutyral as a photoconducter binder
Poly(vinyl butyral) compounds of Formula 1 whereR1 is alkyl, dialkyl ether, alkyl carbonyl, cycloalkyl, cycloalkyl alkyl, aryl, aryl carbonyl, alkaryl carbonyl, aralkyl, or alkyl aralkyl;Z is —OH o...
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6350553 |
Electrophotographic photoconductors comprising polyaryl ethers
A photoconductor comprises a substrate and at least one layer. The at least one layer is selected from the group consisting of charge transfer layers comprising a charge transfer molecule,...
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6287736 |
Photosensitive body for electrophotography
The present invention provides an organic photosensitive body having improved stability of the electric property at times of repeated use and at times of changes in conditions of environmental...
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