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7358014 Electrophotographic organophotoreceptors with novel charge transport compounds  
A novel charge transport compound, a novel process using that novel compound and an organophotoreceptor includes: (a) a novel charge transport compound having the formula ...
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...
7206111 Sterically hindered PI-bridge nonlinear optical chromophores, processes including same, and devices therefrom  
In various embodiments, chromophores are described that include novel electron acceptors, novel electron donors, and/or novel conjugated bridges that are useful in nonlinear optical applications....
7118839 Electrophotographic organophotoreceptors with novel charge transport materials  
An organophotoreceptor that includes: (a) a charge transport compound having the formula where n is an integer between 2 and 6, inclusive; R 1 is an aryl group; R 2 is a...
7115345 Electrophotographic imaging members  
According to the present invention is an electrophotographic imaging member which is a thin dual layer structure comprising a top layer of a durable and wear-resistant layer and a bottom layer...
7094511 Electrophotographic photoreceptor, method for producing the same, image forming apparatus and process cartridge  
The present invention relates to an electrophotographic photoreceptor comprising a conductive support having formed thereon a specific photosensitive layer. The photosensitive layer comprises a...
7074532 Linked dihydrazone-based charge transport compounds  
Improved organophotoreceptors comprise: (a) a charge transport compound having the formula where n is an integer from 0 to 1; X is an (N,N-disubstituted)arylamine group; Ar...
6991880 Imaging members  
A member including for example, a substrate, a charge generating layer, a charge transport layer comprising a poly(phenylsilsesquioxane), molecule, and a film forming binder.
6946225 Electrophotographic element protected from photofatigue induced by visible light  
A multi-active electrophotographic charge generation element comprises a conductive support, a charge generation layer (CGL) disposed on the conductive support, and a charge transport layer (CTL)...
6852458 Electrophotographic photoreceptor, and electrophotographic apparatus using the same  
An electrophotographic photoreceptor has excellent electrical properties and is stable even upon repeated use. An electrophotographic apparatus using the electrophotographic photoreceptor uses a...
6835513 Carbazole based charge transport compounds  
Improved organophotoreceptors have: (a) a charge transport compound having the formula: where R 1 is hydrogen, a branched or linear alkyl group, a branched or linear unsaturated hydrocarbon...
6653034 Stilbeneamine derivative and electrophotosensitive material using the same  
The present invention relates to a stilbeneamine derivative represented by a formula (1): wherein Ar 1 and Ar 2 each denote an aryl group; Ar 3 denotes an arylene group; Ar 4 denotes an...
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...
6461780 Electrophotographic photoreceptor, image forming method, image forming apparatus, and processing cartridge  
An electrophotographic photoreceptor is disclosed. The photoreceptor has a difference in ionization potential between the photosensitive layer and the hardenable resinous layer of not more than 0.4...
6383698 Electrophotosensitive material using quinone derivative  
The present invention relates to an electrophotosensitive material comprising a conductive substrate and a photosensitive layer formed on the substrate, the photosensitive layer containing a...
6291120 Electrophotographic photoreceptor and coating composition for charge generating layer  
An object of the invention is to obtain an electrophotographic photoreceptor having high sensitivity, high image quality, high stability and high resolution. A charge generating layer of the...
6187493 Electrophotosensitive material  
The present invention provides an electrophotosensitive material comprising a conductive substrate and a photosensitive layer provided on the conductive substrate, the photosensitive layer...
6106985 Layered-form electrophotographic photoreceptor  
A layered-form electrophotographic photoreceptor which is composed of a conductive substrate, a charge generating layer (CGL) laid on the conductive substrate, and a charge transporting layer (CTL)...
6083651 Phenothiazine or phenoxazine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor  
A phenothiazine or phenoxazine derivative represented by the following general formula (1), a charge-transporting material comprising the derivative, and an electrophotographic photoreceptor...
6027845 Electrophotography photosensitive element  
An electrophotographic photoreceptor has a layered-type structure comprising an electrically conductive support having thereon a charge generating layer comprising a charge generating organic...
5888685 Electrophotographic photoconductor  
An electrophotographic photoconductor contains at least a furan derivate or a thiophene derivate as the charge transport agent in a photoconductive layer thereof.
5882829 Photoreceptor containing improved charge transporting small molecule  
An electrophotographic imaging member including a supporting substrate and at least one photoconductive layer, the photoconductive layer comprising a charge transporting material selected from the...
5858592 Terpolymers useful as charge injection barrier materials for photoreceptor  
A thin (<5 μm) charge injection barrier layer is provided on a top surface of an inverse dual layer photoconductor using hole transport or on at least one surface of a single layer...
5747205 Photoconductive imaging members  
A photoconductive imaging member comprised of a starburst aromatic amine compound of the formula ##STR1## wherein N is nitrogen; A 1 to A 3 each individually represent biaryl; R a , R b , and R c...
5677095 Electrophotographic photosensitive member  
An electrophotographic photosensitive member has an electroconductive support and a photosensitive layer thereon which contains a compound of Formula 3, 5-11, 13 or 14 as follows: ##STR1##
5631114 Derivatives of diiminoquinones useful as electron transport agents in electrophotographic elements  
Derivatives of diiminoquinones are useful as electron transport agents in electrophotography. The diiminoquinone derivatives are inexpensive materials, requiring only two steps to synthesize, have...
RE35475 Photosensitive member for electrophotography with thiophene containing moiety on charge transport compound  
A photosensitive member for electrophotography have a photosensitive layer 20 provided on an electroconductive substrate 1 and, containing a compound selected from among derivatives of thiophene,...
5578405 Electrophotographic photoconductor containing disazo and trisazo pigments  
An electrophotographic photoconductor includes an electroconductive support and a single-layered photoconductive layer formed thereon, containing a charge transporting material, a binder resin, and...
5573878 Triphenylamine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor  
A triphenylamine derivative, a charge-transporting material comprising the triphenylamine derivative, and an electrophotographic photoreceptor containing a charge-transporting layer comprising the...
5561017 Polyester polymer, production thereof and electrophotographic photoreceptor using the same  
A polyester polymer comprising repeating units (I), or repeating units (I) and (II), and having a reduced viscosity (η sp/c) of 0.2 to 10.0 dl/g, measured at 20° C. as a 0.5 g/dl solution...
5558965 Diiminoquinilidines as electron transport agents in electrophotographic elements  
Derivatives of diiminoquinilidines are useful as electron transport agents in electrophotography. The diiminoquinilidine derivatives are inexpensive materials, requiring only two steps to...
5529868 Electrophotographic photoreceptor  
An electrophotographic photoreceptor comprising a conductive substrate having provided thereon a photosensitive layer, wherein said photosensitive layer contains, as charge transporting material...
5516610 Reusable inverse composite dual-layer organic photoconductor using specific polymers  
An inverse dual-layer organic photoconductor comprising a charge generation layer (CGL) formed on top of a charge transport layer (CTL), in turn formed on a substrate such as a web (drum) or...
5501930 Electrophotographic photoreceptor containing enamine derivative  
An electrophotographic photoreceptor is herein disclosed which comprises a conductive support and a photosensitive layer formed on the conductive support, and the photosensitive layer contains an...
5498502 Negative charging type printing photosensitive resin composition  
The present invention provides an electrographic printing photosensitive resin composition, which exhibits a good photosensitivity in a negative corona charging system and is useful for a laser...
5436100 Electrophotographic photoconductor and M-phenylenediamine derivatives for use in the same  
An electrophotographic photoconductor is composed of an electroconductive substrate and a photoconductive layer formed thereon including a m-phenylenediamine derivative of formula (I): ##STR1##...
5395715 Photosensitive member having photosensitive layer which comprises amino compound as charge transporting material  
The present invention relates to an improvement of a photosensitive member having a photosensitive layer which contains a specific amino compound as a charge transporting material.
5389477 Photosensitive material for electrophotography and method for making the photosensitive material  
A photosensitive material for electrophotography comprises a conductive support and a photosensitive layer formed on the conductive support, the photosensitive layer being made of X-type metal-free...
5356742 Dipyrenylamine derivatives and electrophotographic photoconductor comprising the same  
An electrophotographic photoconductor is composed of an electroconductive substrate and a photoconductive layer formed thereon, the photoconductive layer includes a dipyrenylamine derivative of...
5324610 Electrophotographic organic photosensitive material with diphenoquinone derivative  
The organic photosensitive material for electrophotography in accordance with this invention is characterized in that a non-symmetrically substituted diphenoquinone derivative represented by the...
5314775 Photosensitive member comprising a diamino compound  
The present invention provides a new diamino compound represented by the following general formula [I]. ##STR1## The present invention provides also a photosensitive member and an...
5312707 Electrophotographic photoconductor and diamine compounds for use in the same  
An electrophotographic photoconductor is composed of an electroconductive substrate and a photoconductive layer formed thereon including a diamine compound of formula (I): ##STR1## wherein R 1 ...
5310614 Electrophotographic photoreceptor having an organic photoelectroconductive light sensitive layer  
An electrophotographic photoreceptor is disclosed. The photoreceptor comprises a conductive support and a photosensitive layer provided thereon. The photosensitive layer contains a carrier...
5306587 Photosensitive recording material  
A photosensitive recording material which comprises an electrically conductive support having thereon a layer containing a charge transporting compound (n-CTM-compound) capable of accepting and...
5279914 Photoconductor for electrophotography having an undercoat layer  
A photoconductor for electrophotography is composed of a conductive substrate, an undercoat layer formed on the conductive substrate, a charge generating layer formed on the undercoat layer and a...
5272032 Multiactive electrophotographic elements containing electron transport agents  
The invention provides a multiactive electrophotographic element comprising an electrically conductive substrate, a charge generation layer, and a charge transport layer, wherein the charge...
5266429 Polyester-imides in electrophotographic elements  
An electrophotographic element comprises a polyester-imide that includes a dioxy component and a dicarbonyl component, one of which components contains an aromatic tetracarbonyldiimide group, and...
5260156 1,3-pentadiene derivatives and electrophotographic photoconductor using the same  
A charge transporting material comprising a 1,3-pentadiene derivative having formula I): A--CHCH--CHCH--CH 2 --A (I) wherein A represents a 9-anthryl group which may...
5235104 Hydrazones and electrophotographic photoreceptors comprising them  
A hydrazone compound represented by the following formula (I): ##STR1## wherein R 1 and R 2 each are an aryl group or collectively with the carbon to which they are attached form a polycyclic...
5232802 Electron-transport liquid crystalline polymeric compounds, electrophotographic elements comprising same, and electrophotographic process  
Disclosed are electron-transport polymeric liquid crystalline compounds having the formula (I) ##STR1## wherein A and B are alkylsubstituted siloxane or acrylate repeating units; S 1 and S 2 ...
Matches 1 - 50 out of 148 1 2 3 >