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8124193 Gloss control of UV curable formulations through micro-patterning  
Methods of controlling gloss of an image are disclosed. The methods may include forming an image over a substrate by applying an ink composition and optionally an overcoat composition at least...
8101327 Overcoat for electrophotographic imaging member and methods of making and using same  
Disclosed herein is an electrophotographic imaging member comprising a substrate, a charge transport layer and an overcoat layer formed by combining a film forming binder and a hole transporting...
7998650 Method for preparing oxytitanium phthalocyanine charge generating material and the new-type oxytitanium phthalocyanine charge generating material therefrom  
Disclosed herein is a method for preparing oxytitanium phthalocyanine as a charge generating material. The method comprises the steps of mixing 30˜100 wt % sulfuric acid and an oxytitanium ...
7951515 Ester thiols containing photogenerating layer photoconductors  
A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer, and where the photogenerating layer contains at least one...
7740774 Resonantly enhanced photosensitivity  
A resonant enhanced photosensitive material includes a trap center that is adapted to interact with light and enhances the photosensitivity of the material based on a resonant interaction process...
7713499 Fluidized bed reaction apparatus and methods for using the same  
Apparatuses and methods for preparing sol-gel solutions are provided. Specifically, apparatuses include a vessel optionally containing a stirrer; a pump; a fluidized bed reaction column; and...
7670684 Functional coating compositions of perfluoroalkyl perfluoro-phthalocyanine compounds  
Coating compositions comprising perfluoroalkyl metallo and non-metallo perfluoro-phthalocyanine compounds and associated coating methods are provided by the present invention. Perfluoroalkyl...
7629103 Photoconductor, manufacturing method thereof, image forming process and image forming apparatus using photoconductor, and process cartridge  
A photoconductor comprising a photosensitive layer disposed on an support, wherein the photosensitive layer has at least a crosslinked layer and the crosslinked layer is produced by curing at least...
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.
7410743 Imaging systems and method that form a layer on an imaging member  
A method includes pre-milling a pigment by dry ball milling the pigment with crushed CO2 (s), reducing the size of particles of the pigment by milling the pigment with glass beads, measuring a size...
7270926 Imaging member  
A process for preparing a charge generating layer comprising dispersing photoconductive phthalocyanine particles in a polymer matrix, the matrix comprising a polymeric film-forming reaction product...
7211359 Coating solution containing cocrystals and or crystals of a charge-generation pigment or a mixture of charge-generation pigments  
A method for preparing a coating solution containing a cocrystallized titanyl phthalocyanine-titanyl fluorophthalocyanine, the method comprising: dry milling a charge-generation pigment or mixtures...
7056632 Solution-coatable, three-component thin film design for organic optoelectronic devices  
An organic optoelectronic device includes a solution coatable thin film having a hole transporting material, an electron transporting material, and a photogenerating component uniformly dispersed...
7026084 Cocrystals containing high-chlorine titanyl phthalocyanine and low concentration of titanyl fluorophthalocyanine, and electrophotographic element containing same  
In a process for forming an amorphous TiOPc/TiOFPc pigment mixture containing a low concentration of TiOFPc, a mixture containing phthalonitrile and titanium tetrachloride is subjected to reaction...
7011919 Self-dispersing titanyl phthalocyanine pigment compositions and electrophotographic charge generation layers containing same  
In a process for forming a self-dispersing crystalline phthalocyanine pigment composition of monodisperse nanoparticles, a mixture containing titanyl fluorophthalocyanines, unsubstituted titanyl...
6713223 Device for articulated connection between a control element and a control rod with a ball head  
A device for articulated connection between a control element and a control rod having a ball head comprising a main body attachable to the control element. The main body envelops a locating...
6696214 Electrophotographic photoreceptor, process for production thereof, and image-forming apparatus using same  
The invention provides an electrophotographic photoreceptor, in which suppression of image defects and high sensitivity are compatible, and a method for production thereof. The invention also...
6663761 Fine pattern forming method, developing/washing device used for the same, plating method using the same, and manufacturing method of thin film magnetic head using the same  
The invention provides a fine pattern forming method in which a pattern interval of a resist pattern is narrowed, and a fine pattern forming material can be certainly formed on a surface of the...
6645687 Imaging members  
A process comprising forming chlorogallium phthalocyanine (ClGaPc) in N-methyl-2-pyrrolidinone (NMP) to provide a ClGaPc (NMP) Type I; separately dry milling and then wet treating the Type I...
6613488 Electrophotographic photosensitive material, electrophotographic photoconductor, and method for manufacturing same  
A phthalimide salt compound is contained in a photosensitive material having a charge generating function. Such a photosensitive material exhibits high retention rates of the surface charge. An...
6524763 Microcapsules containing a radiation sensitive composition and their use  
The object of the present invention is to provide a material which takes on a color or which changes its colors when selectively sensitized by ionizing radiation (especially by low doses of...
6524761 Mixture of titanyltetraazaporphyrin compounds and electrophotographic photoconductor using the same  
A mixture is made of a plurality of different titanyltetraazaporphyrin compounds, each of which is represented by formula (1): wherein A, B, C and D are each independently an unsubstituted or...
6514651 Metal phthalocyanine crystal particles, production method thereof, and electrophotographic photoreceptor as well as electrophotographic process using the same  
A composite metal phthalocyanine crystal particle is disclosed. In the composite metal phthalocyanine crystal particle, metal phthalocyanine compound A in an amount of at least 0.001 to less than...
6492080 Process for tuning photoreceptor sensitivity  
A process including: forming a first chlorogallium phthalocyanine (ClGaPc) in N-methyl-2-pyrrolidone (NMP) to form a ClGaPc (NMP) Type-I product; forming a second chlorogallium phthalocyanine in...
6458501 Forming a toner using surfactant-free emulsion polymerization  
The latex of an emulsion aggregation toner is prepared without the use of a surfactant. The process comprises preparing an emulsion of monomers in water without a surfactant; adding a free radical...
6423459 Electrophotographic photoconductor and manufacturing method for the same  
A photosensitive layer of an electrophotographic photoconductor has at least one phthalocyanine compound, wherein the photosensitive layer contains a metal phthalocyanine compound bonded by an...
6391505 Phthalocyanine crystal and its production, and electrophotosensitive material using the same  
Disclosed are a phthalocyanine crystal in which an organic acceptor compound is associated with a phthalocyanine molecule, wherein said organic acceptor compound has a reduction potential to a...
6352809 Process for producing electrophotographic photoreceptor, electrophotographic photoreceptor and image-forming apparatus  
A process for producing an electrophotographic photoreceptor, which includes contacting a solution containing at least one of optically functional organosilicon compounds represented by formula (I)...
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,...
6331590 Polypropylene wax  
The present invention relates to homopolymer and copolymer waxes which have been prepared by polymerization using metallocene compounds in the presence of hydrogen and have a melt viscosity of less...
6231958 Heat-shrinkable polyester film and method for manufacturing the same  
A heat-shrinkable polyester film including: a repeating unit of trimethyleneterephtalate of 5-30% by mole; a repeating unit of 2,2-dimethyl(-1,3-propylene)terephtalate of 5-30% by mole of the total...
6200720 Graft resin, process for the production thereof and use thereof  
A graft resin having a structure of the formula (1) and having a number average molecular weight of 2,000 to 50,000, ##STR1##has excellent low-temperature moldability and exhibits an excellent...
6190818 Dispersion process  
A process for forming a dispersion including forming a mixture including agglomerates of primary particles, a film forming binder and a solvent for the binder, the primary particles having an...
6090200 Nanoparticle phosphors manufactured using the bicontinuous cubic phase process  
Nanocrystalline phosphors are formed within a bicontinuous cubic phase. The phosphors are doped with an optimum concentration, of manganese, for example, corresponding to about one or less dopant...
6068958 Infrared sensitive electrophtographic photoreceptors and method for tuning photosensitiviey thereof  
A family of photoreceptors for use in electrophotography are disclosed which contain a binary charge generation composition of oxytitanium phthalocyanine and copper phthalocyanine. The charge...
6066427 Methods for making a charge generating layers comprising type I polymorph of titanyl phthalocyanine with reduced photosensitivity and photoconductors including the same  
Charge generation layers comprise a type I polymorph of titanyl phthalocyanine prepared by pre-milling a type IV polymorph in a media mill. Dual layer photoconductors comprise the charge generation...
6057075 Photoreceptor fabrication method involving a tunable charge generating dispersion  
A method for fabricating a photoreceptor including: (a) preparing a first stable coating dispersion including a solvent, a first polymer, and a charge generating material; and (b) diluting the...
6017665 Charge generation layers and charge transport layers and organic photoconductive imaging receptors containing the same, and method for preparing the same  
Charge generation layers and charge transport layers which are prepared by coating a substrate with a coating solution prepared by mixing: (A) a binder; (B) a charge generation material or a charge...
5985505 Processes for the preparation of hydroxygallium phthalocyanine  
A process including mixing a slurry of HOGaPc Type I polymorph, under low shear and high flow, in an organic solvent, wherein there results a HOGaPc Type V polymorph with superior...
5900472 Copolymerizable benzophenone photoinitiators  
Copolymerizable benzophenone photoinitiators of the formula I ##STR1## wherein 1, k=0, 1, 2. R1 =divalent organic group having 1 to 25 carbon atoms; R2 =H or methyl; and R3, R4 =organic group...
5876891 Photosensitive material and process for the preparation thereof  
An alternating copolymer comprising a repeating unit of the formula: --Z--(X--Y)n-- (I)wherein n is at least 2, X is O, S, Se or Te, and Y and Z are independently an aromatic or substituted...
5863683 Electrophotographic photoconductor containing charge generating azo pigment subjected to a salt-milling process  
An electrophotographic photoconductor composed of an electroconductive support and a photoconductive layer formed thereon, which contains as a charge generating material an azo pigment subjected to...
5858602 Encapsulated toner for heat-and-pressure fixing and method for producing the same  
A method for producing an encapsulated toner for heat-and-pressure fixing including the step of forming a heat-fusible core material containing at least a thermoplastic resin and a shell, the shell...
5817264 Thermal transfer composition and processes thereof  
A process for the preparation of a thermal diffusion transfer component comprising: dissolving an organic pigment in a Lewis acid and a polar aprotic solvent to form a pigment solution; coating the...
5786121 Process for producing electrophotographically active titanylphthalocyanine modifications  
A process is for producing electrophotographically active titanylphthalocyanine. In the process, which has an improved space-time yield, titanylphthalocyanine is dissolved in pentafluoropropionic...
5776650 Method of manufacturing organic photoconductor for electrophotography  
A charge generation layer and a method of manufacturing a charge generation layer of a highly sensitive organic photoconductor for electrophotography is provided, wherein the charge generation...
5773181 Non-uniformly substituted phthalocyanine compositions preparation methods, and electrophotographic elements  
Phthalocyanine compositions and prepartion methods. In a method, first, a phthalocyanine mixture is synthesized that has a plurality of differently substituted phthalocyanines selected from the...
5773184 Processing which enhances photoconductivity of type I titanyl phthalocyanine  
Type I titanyl phthalocyanine is mixed with a solution of one part dihaloacetic acid and four parts methylene chloride by volume. This is then added to a solution of equal parts by volume of water...
5766810 Methods for preparing cocrystals of titanyl fluorophthalocyannes and unsubstituted titanyl phthalocyanine, electrophotographic elements, and titanyl phthalocyanine compositions  
Amorphous and cocrystallized unsubstituted titanyl phthalocyanine-titanyl fluorophthalocyanine compositions, preparation methods, and electrophotographic elements utilizing the compositions. The...
5759636 Electrographic imaging element  
A method for forming electrographic imaging elements comprising a uniform dielectric layer is disclosed. The method comprises coating a conductive coating composition containing polymerizable...
Matches 1 - 50 out of 176 1 2 3 4 >