Abstract: An electrophotographic photosensitive member comprises an intermediate layer between a support and a photosensitive layer, wherein said intermediate layer contains spherical resin fine powder.

Abstract: A photoconductive imaging member comprised of a photogenerating layer; and a charge transport layer comprised of diaryl biarylylamine compounds of Formula (I) wherein Ar and Ar' are independently selected from the group consisting of phenyl, naphthyl, substituted naphthyl, and substituted phenyl; R and R' are electron donating substituents; and m and n represent the numbers 0, 1 or 2.

Abstract: The invention relates to a method and an apparatus with which a powdered developer deposited onto a sheet of paper can be fixed. The method comprises moving the sheet in such a manner that its leading edge (BV) comes to face a source (47) integral with a movable support, initially placed in a position of repose, and then, after immobilization of the sheet, displacing the support over a distance (N) less than the length (L) of the sheet, and moving the support to the position of repose while simultaneously displacing the sheet in the same direction, at a speed greater than the speed of the support. The invention is applicable to magnetic printing machines.

Abstract: Photographic silver halide emulsions are disclosed comprised of radiation sensitive silver halide grains containing greater than 50 mole percent chloride and less than 5 mole percent iodide, based on total silver, with any residual halide being bromide, said grains exhibiting a face centered cubic crystal lattice structure formed in the presence of a hexacoordination complex of rhenium, ruthenium, or osmium with at least four cyanide ligands. The emulsions exhibit increased sensitivity.

Abstract: A method for developing electrostatic latent images on the surface of a photosensitive drum uses a one-component developer. The developer has an amount of triboelectric charge within the range of about 30-100 .mu.m c/m.sup.2, and a true specific gravity of at least about 1.2. The developer can be sufficiently moved to the electrostatic latent image so as to prevent fogging of developed images and to consistently obtain developed images of good quality.

Abstract: A photoconductive element having improved physical properties is disclosed. The photoconductive element comprises an electro-conductive substrate, a photoconductive layer containing a photoconductive material and, optionally, a protective layer, wherein either one of said photoconductive layer or said protective layer contains a compound which has in its molecular a hindered amine structure unit represented by formula [Ia] and a hindered phenol structure unit represented by formula [Ib]; ##STR1## wherein, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently represent a hydrogen atom, an alkyl group, or an aryl group; Z represents a group of atoms necessary to complete a nitrogen-containing alicyclic group; R.sub.5 represents an alkyl group; R.sub.6 is a branched alkyl group; R.sub.7, R.sub.8 and R.sub.9 independently represent a hydrogen atom, a hydroxy group, an alkyl group, or an aryl group; and R.sub.

Abstract: An amorphous silicon (a-Si) photoreceptor includes an amorphous silicon (a-Si) photoconductive layer, and a surface layer disposed above the amorphous silicon (a-Si) photoconductive layer. An intermediate layer is disposed between the amorphous-silicon (a-Si) photoconductive layer and the surface layer to ensure the energy level matching. The intermediate layer is made of amorphous silicon (a-Si) doped with nitrogen and boron so as to have the energy difference of less than 0.2 eV between the bottom of the conduction bands of the surface layer and the intermediate layer.

Abstract: A flexible electrophotographic imaging member comprising at least one electrophotographic imaging layer, a supporting substrate layer having an electrically conductive surface and an anti-curl layer, the anti-curl layer comprising a film forming binder and from about 3 percent by weight to about 30 percent by weight, based on the total weight of said anti-curl backing layer, of a copolyester resin reaction product of terephthalic acid, isophthalic acid, ethylene glycol and 2,2-dimethyl-1-propane diol. This flexible electrophotographic imaging member is cycled in an electrostatographic imaging system to produce toner images.

Abstract: There are provided on improved light receiving member for use in electrophotography and a process for the production thereof.

Abstract: A negative charged toner composition comprised of resin particles, pigment particles, and as a charge enhancing additive dithiolene complexes of the formulas of FIGS. 1,2,3 or 4, wherein X is selenium or sulfur, M is a metal, R is alkyl, Y is a cation, Z represents zinc, and n represents the valence of the cation and anion components.

Abstract: The practice of this invention provides a photosensitive member which comprises a charge transporting layer and a charge generating layer, said charge transporting layer comprising amorphous carbon containing hydrogen, said amorphous carbon comprising hydrogen bonded carbon N.sub.1, and carbon N.sub.2 free from linking with hydrogen, the ratio of the amount of N.sub.1 to that of N.sub.2 being 1:0.1 to 1:1, and said hydrogen being contained in an amount of 20 to 67 atomic %;or said amorphous carbon comprising unsaturated carbon N.sub.3 linked with hydrogen and saturated carbon N.sub.4 linked with hydrogen, the ratio of the amount of N.sub.3 to that of N.sub.4 being 1:1 to 1:16, said hydrogen being contained in an amount of 20 to 67 atomic %;or said amorphous carbon comprising unsaturated compound N.sub.5 free from linking with hydrogen and saturated carbon N.sub.6 free from linking with hydrogen, the ratio of the amount of N.sub.5 to that of N.sub.5 being 1:20 to 1:0.

Abstract: The present invention provides a photosensitive member comprising a butadiene compound represented by the following general formula (I); ##STR1## wherein Z is a residual group forming a five or a six membered ring together with carbon atom, nitrogen atom and a benzene ring; R.sub.1 and R.sub.2 represent hydrogen atom, halogen atom, an alkyl group or an alkoxy group respectively, R.sub.1 and R.sub.2 may form a benzene ring in combination with each other; R.sub.3 is an alkyl group, an aralkyl group, or an aryl group, each of which may have a substituent; R.sub.4 and R.sub.5 represent an alkyl group, an aralkyl group, or an aryl group, each of which may have a substituent, R.sub.4 and R.sub.5 may form a ring in combination with each other, which is excellent in the stability of surface potential, the charge transporting ability, the sensitivity, the resistance to dark decay, the light fatigue resistance, the repetition properties thereof and so on.

Abstract: A silver halide photosensitive material is described which comprises at least one layer of a silver halide emulsion layer provided on a base, wherein said at least one silver halide emulsion layer comprises at least one novel dye compound represented by general formula (I): ##STR1## wherein Z.sub.1 and Z.sub.2 are independently represents a sulfur atom or a selenium atom;R.sub.1 and R.sub.2 each independently represents an alkyl group, provided that at least one of R.sub.1 or R.sub.2 must represent a butyl group, a pentyl group, a hexyl group, a heptyl group or an octyl group;V.sub.1, V.sub.2, V.sub.3, V.sub.4, V.sub.5, V.sub.6, V.sub.7 and V.sub.

Abstract: An electrophotographic photoreceptor having on a conductive support a photoconductive layer containing a specific azo compound is disclosed.

Abstract: The present invention discloses particular lithographic polymeric materials and methods of using these materials, wherein the polymeric materials have acid labile or photolabile groups pendant to the polymer backbone. The polymeric materials are sufficiently transparent to deep UV radiation to permit deep UV imaging, can be used to produce resist structures having thermal stability at temperatures greater than about 160.degree. C., and are sufficiently resistant to excessive crosslinking when heated to temperatures ranging from about 160.degree. C. to about 250.degree. C. that they remain soluble in common lithographic developers and strippers.The present invention also discloses resists comprising substituted polyvinyl benzoates which, after imaging, exhibit unexpectedly high thermal stability, in terms of plastic flow.

Abstract: Photographic emulsions are disclosed comprised of radiation sensitive silver bromide grains optionally containing iodide. The grains exhibit a face centered cubic crystal lattice structure and are formed in the presence of a hexacoordination complex of rhenium, ruthenium, or osmium with at least four cyanide ligands.

Abstract: Photographic silver halide elements containing aryl hydrazides as defined for the production of images with ultrahigh contrast and a new class of aryl hydrazides with a cationic group in the aryl radical as defined. The photographic silver halide elements can be developed at relatively low pH values and have low fog and low tendency to form black spots in unexposed or slightly exposed areas.

Abstract: A photoconductive imaging member comprised of a photogenerating layer, and a charge transport layer comprised of the N,N-bis(biarylyl)aniline charge transport polymers of the formula ##STR1## wherein A and B are independently selected from bifunctional linkages; Z is alkylenedioxy, arylenedioxy, or substituted derivatives thereof; R and R' are alkyl, aryl, alkoxy, aryloxy, or halogen; x and y are mole fractions wherein x is greater than 0 and the sum of x and y is equal to 1.0; a and b are the numbers 0, 1 or 2; and n represents the number of monomer units.

Abstract: Disclosed is a process for controlling the electrical characteristics of colored toner particles.

Abstract: A toner for developing an electrostatic image is disclosed, which is not likely cause fogs, toner flying, and solid-black non-uniformity when used for a large number of cpying cycles in a high temperature, high humidity. The toner comprises a polyester resin containing a trivalent or higher monomer as a polymerized component and an antioxidant. As the antioxidant, a compound having a hidered phenolic group is preferably used as the antioxidant.