| Patent application number | Description | Published |
|---|
| 20080206662 | Asymmetric arylamine compounds and processes for making the same - Novel asymmetric arylamine compounds useful as hole transport molecules (HTMs) incorporated into imaging members, such as layered photoreceptor devices, and improved chemical processes for making the same. The arylamine compounds increase the charge mobility through the photoreceptor to effectuate an increase in machine speed. The chemical processes utilize a tandem Ullmann-Buchwald reaction sequence. | 08-28-2008 |
| 20080255389 | COST EFFECTIVE METHOD FOR SYNTHESIS OF TRIARYLAMINE COMPOUNDS - A process for forming a triarylamine compound includes reacting a halogenated aryl alcohol with an alcohol protecting agent and a first base to form a halogenated protected aryl alcohol compound, and reacting the halogenated protected aryl alcohol compound with an amine in the presence of a suitable catalyst and a second base. | 10-16-2008 |
| 20080299472 | Photoconductors - A coating composition that contains a mixture of an alkyl alcohol, a glycol monoether, a charge transport component, a crosslinking component, and at least one hydroxyl containing polymer, and a photoconductor thereof with a supporting substrate, a photogenerating layer, and at least one charge transport layer, and an overcoating layer in contact with and contiguous to the charge transport layer, and which overcoating is comprised of a mixture of an alkyl alcohol, a glycol monoether, an acrylated polyol, a polyalkylene glycol, a crosslinking component, and a charge transport component. | 12-04-2008 |
| 20080299474 | HIGH QUALITY SUBSTITUTED ARYL DIAMINE AND A PHOTORECEPTOR - A high quality hole transport material of a substituted biphenyl diamine, such as N,N,N′N′-tetra(4-methylphenyl)-(1,1′-biphenyl)-4,4′-diamine, where each X is independently selected from —H, alkyl(-C | 12-04-2008 |
| 20090029276 | PHOTORECEPTOR - An electrophotographic imaging member includes a substrate, a photo generating layer, and an optional overcoating layer, wherein the photo generating layer includes a cyclic triphenylamine derivative material. | 01-29-2009 |
| 20090118545 | MICROREACTOR TECHNOLOGY TO BUCHWALD-HARTWIG AMINATION - A process for forming an arylamine compound, including reacting an arylamine and an aryl halide in the presence of a palladium ligated catalyst, a base and a suitable solvent in a microreactor. | 05-07-2009 |
| 20090130575 | PHOTORECEPTOR - Disclosed is a photoreceptor including a substrate, a charge generating layer, and a charge transport layer having a tertiary aryl amine charge transport molecule represented by the following general formula | 05-21-2009 |
| 20090131720 | PROCESS FOR THE SYNTHESIS OF HYDROXYL ARYLAMINES - A process for forming a hydroxyl triarylamine compound includes reacting a halogenated aryl aldehyde with an aldehyde protecting agent to form a halogenated protected aryl aldehyde compound, and reacting the halogenated protected aryl aldehyde compound with an amine in the presence of a suitable catalyst, then reducing the resulting aldehyde triarylamine to form the hydroxyl triarylamine. | 05-21-2009 |
| 20090131721 | METHOD OF DEPROTECTION OF ALKYL ARYLAMINE ETHERS - A method for deprotecting alkyl arylamine ethers to produce hydroxyl arylamine compounds by reacting the alkyl arylamine ether with a thiolate reagent. More specifically, a method for deprotecting alkyl arylamine ethers to produce hydroxyl arylamine compounds by reacting 2-(diethylamine)ethanethiolate with an alkyl arylamine ether to yield a hydroxy arylamine compound. | 05-21-2009 |
| 20090149675 | PROCESS FOR THE PREPARATION OF ARYL-DIAMINES - A process for forming a N,N′-diaryl-N,N′-di(hydroxyaryl)-aryl-diamine compound includes reacting a halogenated aryl compound with an etherified diarylamine in the presence of a catalyst, then deprotecting the resulting N,N′-diaryl-N,N′-di(alkyl-oxyaryl)-aryl-diamine to form the N,N′-diaryl-N,N′-di(hydroxyaryl)-aryl-diamine. | 06-11-2009 |
| 20090197196 | IMAGING MEMBER AND METHODS OF FORMING THE SAME - The presently disclosed embodiments are directed to charge transport layers useful in electrostatography. More particularly, the embodiments pertain to an improved imaging member having a charge transport layer comprising a top layer and a bottom layer, wherein the layers have varying concentrations of high quality N,N,N′N′-tetra(4-methylphenyl)-(1,1′-biphenyl)-4,4′-diamine to provide tunable discharge rate. | 08-06-2009 |
| 20090214969 | PROTECTIVE OVERCOAT OF PHOTORECEPTOR HAVING A CHARGE TRANSPORT COMPOUND - A photoconductive member a layer including a substantially crosslinked product of a film-forming composition having at least a curing agent and a charge transport compound, wherein the charge transport compound has at least one group imparting charge transporting functionality, at least one crosslinking group and at least one fluorene moiety. | 08-27-2009 |
| 20090233197 | CROSSLINKING OUTER LAYER AND PROCESS FOR PREPARING THE SAME - The presently disclosed embodiments are directed to an improved low wear overcoat for an imaging member having a substrate, a charge transport layer, and an overcoat positioned on the charge transport layer, and a process for preparing the same including combining a binder, a hole transport molecule, a melamine formaldehyde crosslinking agent and an acid catalyst dissolved in an alcohol solvent to form an overcoat solution, and subsequently providing the overcoat solution onto the charge transport layer to form an overcoat layer. | 09-17-2009 |
| 20100035070 | FUSER MEMBER COATING HAVING POLYSILSESQUIOXANE OUTER LAYER - A fuser member comprising a substrate, and thereover, an outer layer comprising polysilsesquioxane additives, and an image forming apparatus containing the fuser member therein. | 02-11-2010 |
| 20100068636 | PHOTORECEPTOR PROTECTIVE OVERCOAT LAYER INCLUDING SILICONE POLYETHER AND METHOD OF MAKING SAME - Disclosed is an electrophotographic imaging member including a substrate; a charge generating layer; a charge transport layer with a hole transport material; and a protective overcoat layer having a silicone polyether additive with at least one carbinol function group; a polyol binder; a hole transport material; a curing agent; and an acid catalyst. | 03-18-2010 |
