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7560215 Printed circuit board printing system and method using liquid electrophotographic printing  
The invention provides a printed circuit board (PCB) printing system. In a particular embodiment, the system includes a liquid electrophotographic printing device. At least one supplier of...
7220524 System and method for producing secure toner-based images  
A system and a method for printing a secure document that is difficult to forge and readily easy to visually verify are disclosed. The system includes a colorant for printing an image on a surface...
7220525 Secure imaging toner and methods of forming and using the same  
A toner for printing documents that are difficult to chemically or physically forge and that are readily easy to visually verify and methods of using and forming the toner are disclosed. The toner...
7033713 Electrographic patterning of conductive electrode layers containing electrically-conductive polymeric materials  
A method for producing an electrode pattern in a conductive polymeric layer comprising the steps of: (a) contacting a charge pattern with an electrographic developer composition comprising a...
7029815 Liquid developer, method of manufacturing the liquid developer, and image forming method and apparatus  
A liquid developer, a method of manufacturing the same and a method and apparatus for forming an image, which can attain high transfer efficiency and appropriate tolerance to repetitive image...
6986977 Image forming apparatus and image forming method  
An image forming apparatus of the present invention having a transferring particle layer forming equipment which forms a transferring particle layer prior to forming a toner layer on a surface of...
6887639 Liquid toner composition  
The present invention relates to a liquid toner composition suited for development of electrostatic charge images, magnetic patterns or DEP (Direct Electrostatic Printing). More specifically the...
6778799 Liquid electrophotographic image forming apparatus using non-volatile ink carrier  
A liquid electrophotographic image forming apparatus using an ink developing solution having a high concentration where a non-volatile carrier is used as a dispersion solvent includes a...
6692880 Electrophotographic toner with stable triboelectric properties  
Toner formulations and developers containing the toner formulations are described. The toner contains at least one toner resin, at least one first charge control agent capable of providing a...
6674984 Method and apparatus for printing image  
A method and an apparatus for printing an image on a print medium with a liquid developer which includes a liquid carrier and a toner dispersed in the liquid carrier. The image is printed by...
6649316 Phase change developer for liquid electrophotography  
This invention relates to a phase change developer comprising: (a) a carrier having a Kauri-butanol number less than 30; and (b) an organosol comprising a graft (co)polymeric steric stabilizer...
6562539 Printers and copiers with pre-transfer substrate heating  
A method of transferring an image on a surface to a substrate comprising: a) heating the surface to a first temperature above a temperature at which the image adheres to the substrate; b) heating...
6539191 Electrophotographic color image formation system and method using liquid developers  
A method and system for forming electrophotographic images by forming on a transfer belt color toner images of, e.g., the colors of transparent, yellow, magenta, cyan and black in that order from...
6200721 Liquid electrophotographic development sheet  
A liquid electrophotographic development sheet wherein a polyethylene resin or a resin including polyethylene such as a polyethylene ionomer as a main component is present on at least one of the...
6153348 Electrostatic printing of conductors on photoresists and liquid metallic toners therefor  
A metal particle liquid toner using PARMOD™ technology can be used to electrostatically print high resolution, electrically conductive metal images. The invention comprises a dispersion of...
5965314 Intermediate transfer element for liquid electrophotography  
The invention is an intermediate transfer element for liquid electrophotography comprising a material which is capable of absorbing the carrier liquid in amounts from 5 to 100% by weight based on...
H001803 Liquid electrophotographic printing processes  
A process which comprises the generation of an image on an imaging member, developing the image with a liquid developer, and transferring the image to a substrate, and which substrate is coated...
5723251 Method and apparatus for removing liquid carrier in a liquid developing material-based electrostatographic printing system  
A liquid developing material-based electrostatographic printing system including a carrier imbibing intermediate transfer member for absorbing liquid carrier from a liquid developed image...
5723250 Process for image formation using liquid developer  
A liquid developer for electrophotography is disclosed, which comprises a carrier, a charge director contained in the carrier, and toner particles dispersed in the carrier and having a...
5650253 Method and apparatus having improved image transfer characteristics for producing an image on a receptor medium such as a plain paper  
Method and apparatus for producing an image on plain paper from image data using a photoreceptor. An image-wise distribution of charges is produced on the photoreceptor corresponding to the image...
5567565 Method for transferring a toner image  
An intermediate transfer member achieves substantially 100% toner transfer by containing a fluorocarbon elastomer containing less than 60 mole % vulnerable sites in the fluorocarbon chain. A high...
5459008 Method and apparatus for toner release from transfer member to paper  
Complete toner transfer from the surface of an intermediate transfer member of an electrostatic printing machine to an image receiving substrate such as paper that can range in gloss from low to...
5424163 Picture recording method using a dispersant having coloring agent particles contained therein  
An electrostatic latent image is formed by the Carlson process, etc. on a base (photosensitive body) to develop the electrostatic latent image by a solidification developer in which coloring agent...
5383008 Liquid ink electrostatic image development system  
A method and apparatus form a toned image on a copy sheet using a transfer layer. An imaging member is charged and a latent electrostatic image is formed on it. Subsequently, a highly viscous or...
5281507 Treatment to enhance transfer in liquid toner electrophotography  
The present invention resides in a method for transferring images from an image-bearing surface, to a moving web or sheet. The image-bearing surface is advanced in a predetermined direction, and...
5275906 Method of forming a pattern using a liquid color toner composition  
Described herein is a liquid color composition containing a resin binder and a plasticizer which is compatible with the binder. The toner is very transparent and produces excellent quality images...
5085967 Wet-type electrostatic photographic transferring method  
Wet-type electrostatic photographic transferring method is disclosed, comprising developing an electrostatic latent image formed on an image-carrying member with an electrostatic photographic...
5077172 Carrier web transfer device and method for electrophotographic printing press  
A transfer mechanism and method are provided for utilization in a high speed electrophotographic printing process of the type wherein the electrophotoconductive cylinder on which the image is...
4985321 Thermal mass transfer of metallic images  
The present invention provides a process for thermal mass transfer of metallic images, the process comprising the steps of (a) providing (1) a toner fluid dispersion comprising...
4948691 Image fixing method for use in wet-type electrophotographic copying machine  
An image fixing method for use in a wet-type electrophotographic copying machine is disclosed, which comprises the steps of: (1) developing a latent electrostatic image formed on an...
4939062 Non-impact electric image transfer recording method  
A non-impact electric image transfer recording method is disclosed, which comprises the steps of applying a recording voltage-signal to a recording medium comprising an electroconductive support...
4879184 Method of high resolution of electrostatic transfer of a high density image to a receiving substrate  
A method of fabricating a toned pattern on an isolated nonabsorbent receiving surface is disclosed wherein a charged electrostatic latent image area is established on an electrostatically imageable...
4812383 Process for forming electrophotographic images on a self-fusing substrate  
Disclosed is a process for forming permanent electrophotographic images comprising: (a) generating, in an electrophotographic imaging apparatus, an electrostatic latent image; (b) developing said...
4576889 Method for transferring xerographic images  
Method of transferring a liquid xerographic toner image between two elements one of which is a flexible sheet advancing along a straight line path and the other is advancing synchronously along an...
4478924 Process for transferring a pigment image using a spacer  
A process for transferring a pigment image, produced by treating an electrostatic charge image with liquid developer, from a charge image carrier to a copy carrier with the aid of an electric...
4460667 Method for developing latent electrostatic images for gap transfer to a carrier sheet  
This invention relates to a composition for developing latent electrostatic images by liquid development and a method of transferring the developed image to a carrier sheet over a gap. The gap is...
4378422 Method and apparatus for transferring developed electrostatic images to a carrier sheet  
A developed electrostatic image is transferred from a support to a carrier sheet over a gap of between twenty and seventy microns. The gap is formed by dusting onto the developed electrostatic...
4362804 Method of toner transfer with pulse bias  
A method of electrically transferring an image deposit formed of liquid dispersed electroscopic toner particles from an image-bearing photoconductor surface of a recording member to the surface of...
4287285 Method and apparatus for fabricating personal identification documents  
Personal identification documents are fabricated by liquid developing an electrostatic image on a photoconductive insulating member to form a high resolution toner image which includes a visually...
4252882 Developing electrophotographic images using aqueous ink and treating smooth, hydrophobic image surface with cleaning liquid  
This invention relates to an improvement in a copying process wherein a latent image produced on a chargeable imaging surface by electrostatic charging and exposure is developed by means of an...
4218246 Method of electrophotographic recording involving removal of excess developer liquid by corona treatment  
A method of transferring images produced by liquid developer in a photographic process which comprises applying a corona charging to a photosensitive member after the development of latent images...
4132548 Process for reproducing images of fine lines or characters of low density  
In a process for reproducing images of fine lines of characters of low density, the latent image is initially transferred onto transfer paper such that charges, including the non-image portions of...
4007041 Electrophotographic printing method  
An improved offset printing method is provided in which the blanket roller is coated with an ink releasable material to provide substantially complete transfer of an inked image from the master to...
3933490 Improvements in transfer electrophotography  
An improved process of transfer electrophotography employing a liquid developer is described. The depth of the developer on the surface of a an electrophotographic photosensitive member on which an...
3877934 Induction imaging with in-place development  
A process for image reproduction comprises the steps of contacting a charge blocking surface on a photoreceptive body with a developer material containing charged toner particles, providing an...
3856519 TRANSFER OF TOWER USING A VOLATILE INSULATING LIQUID  
Dry, final copies are obtained in an electrostatographic imaging system employing liquid development wherein after development with the liquid developer, the imaging surface is contacted with a...
3851964 CONTACT TRANSFER ELECTROSTATIC COPYING APPARATUS  
An electrophotographic copying machine employs a method of contact transfer of developed electrostatic images. A moving photoconductive surface is charged and exposed to a pattern of light and...
3839032 METHOD OF CONTACT TRANSFER OF DEVELOPED ELECTROSTATIC IMAGES  
Our invention contemplates a novel method of contact transfer of developed electrostatic images and means for carrying out our process. In our method, a photoconductive surface is exposed to a...
3811914 METHOD OF TRANSFERRING IMAGES PRODUCED BY LIQUID DEVELOPMENT  
In an electrophotographic process, visual images obtained by developing electrostatic latent images with a liquid developer are transferred to a transferring paper having oil absorbing coefficient...
3419411 Method for the transfer of developed electrostatic images using a lattice forming substance  
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