| Patent Number |
Title Of Patent |
Date Issued |
| 6155457 |
Dispenser apparatus especially for liquid toner concentrate |
December 5, 2000 |
| Apparatus for dispensing liquid toner concentrate including a container containing liquid toner concentrate, mounting apparatus operative to secure the container while allowing for axial movement of the container and air pressure apparatus for causing axial movement of the container and |
| 6070042 |
Image transfer apparatus incorporating an integral heater |
May 30, 2000 |
| An imaging system including an image bearing surface and an intermediate transfer member operative for transfer of toner images from the image bearing surface to a transfer surface of the intermediate transfer member and for subsequent transfer to a substrate.The intermediate transfer me |
| 5815783 |
Method and apparatus for printing on both sides of a substrate |
September 29, 1998 |
| A method of printing images, such as multicolor images, on two sides of a substrate including: (a) forming a first image on a first surface; (b) transferring the first image to a second surface from the first surface; (c) forming a second image on the first surface; (d) transferring the |
| 5793490 |
Method and an apparatus for detecting concentrations of first and second toner particles in a di |
August 11, 1998 |
| Concentration detection of first and second toner particles in a dispersion, including illuminating the dispersion with linearly polarized light having a given polarization direction, detecting an amount of light passed through the dispersion and through an analyzer set at a predeter |
| 5749032 |
Color imaging system |
May 5, 1998 |
| A multicolor electrostatic imaging system has multicolor spray apparatus for supplying a liquid toner of a selectable color to an electrostatic image. The spray means has a multiplicity of spray outlets including a plurality of spray outlets distributed among the multiplicity of outlets, |
| 5745829 |
Imaging apparatus and intermediate transfer blanket therefor |
April 28, 1998 |
| Imaging apparatus including an imaging surface having a toner image formed thereon and an intermediate transfer member, which receives the toner image from the imaging surface and from which it is subsequently transferred. The intermediate transfer member includes a drum having mount |
| 5655194 |
Dispenser apparatus especially for liquid toner concentrate |
August 5, 1997 |
| Apparatus for dispensing liquid toner concentrate including a container containing liquid toner concentrate, mounting apparatus operative to secure the container while allowing for axial movement of the container and air pressure apparatus for causing axial movement of the container and |
| 5636349 |
Method and apparatus for imaging using an intermediate transfer member |
June 3, 1997 |
| An imaging apparatus including an image bearing surface having formed thereon a liquid image comprising carrier liquid and toner particles, an intermediate transfer member positioned in operative association with the image bearing surface, a first transfer station at which the liquid ima |
| 5596396 |
Latent image development apparatus |
January 21, 1997 |
| Imaging apparatus including a first member having a first surface having formed thereon a latent electrostatic image, the latent electrostatic image including image regions at a first voltage and background regions at a second voltage, a second member charged to a third voltage intermedi |
| 5585900 |
Developer for liquid toner imager |
December 17, 1996 |
| An imaging system including a movable electrostatic imaging surface, apparatus for providing an electrostatic image on the electrostatic image surface and a development electrode having a developer surface with contiguous portions in spaced relationship with the electrostatic imaging |
| 5572274 |
Liquid developer imaging system and method utilizing an intermediate transfer member |
November 5, 1996 |
| A method for forming an image on a final substrate which includes forming a liquid toner image on a surface using a liquid developer comprising carrier liquid and charged tuner particles, electrostatically transferring the liquid toner image to an intermediate transfer member coated with |
| 5571645 |
Printing with increased color density |
November 5, 1996 |
| A method for printing giving increased color density including printing a first image of a given color onto at least a portion of a substrate and printing a second image in the given color onto at least a portion of the first image. |
| 5570193 |
Concentration detector for colored toner |
October 29, 1996 |
| Apparatus for detecting concentrations of colored toner particles in the presence of black or other absorbing toner particles including a light source, a light detector having a field of view of less than about .+-.10 degrees and preferably less than .+-.5 degrees, apparatus for supplyin |
| 5558970 |
Enhancing cohesiveness of developed images |
September 24, 1996 |
| An image having enhanced cohesiveness is provided by treating the image with heat, ultraviolet radiation or chemical agents prior to transfer of the image from a photoconductor. Treating the developed image improves the efficiency of transfer, reduces the amount of residue remaining on t |
| 5557376 |
Color imaging system |
September 17, 1996 |
| A multicolor electrostatic imaging system includes an electrostatic imaging surface, apparatus for supplying an electrostatic image on the electrostatic image surface, and multicolor supply apparatus for supplying a liquid toner of a selectable color to the electrostatic imaging surface. |
| 5555185 |
Method and apparatus for imaging using an intermediate transfer member |
September 10, 1996 |
| Method and apparatus for transfer of a liquid toner image, containing carrier liquid and toner particles which solvate the carrier liquid at a solvation temperature above room temperature, from an image bearing surface to a substrate, the apparatus including an intermediate transfer |
| 5554476 |
Toner particles for use in compositions for developing latent electrostatic images and liquid co |
September 10, 1996 |
| A liquid composition for developing latent electrostatic images comprising toner particles associated with a pigment dispersed in a nonpolar liquid. The salient feature of the invention is that the toner particles are formed with a plurality of fibers or tendrils from a thermoplastic pol |
| 5552875 |
Method and apparatus for forming duplex images on a substrate |
September 3, 1996 |
| Imaging apparatus for duplex printing on a substrate having first and second sides and a leading edge and a trailing edge, the imaging apparatus including a first member having an image support surface adapted to sequentially support first and second images thereon, a second member a |
| 5532805 |
Method and apparatus for direct printing of images |
July 2, 1996 |
| Method for forming images on a member including supplying a layer of liquid toner concentrate comprising charged toner particles and carrier liquid to a space between a first, moving member and a second, stationary member closely spaced therefrom; and selectively applying an electric fie |
| 5497223 |
Method for fusing developed image |
March 5, 1996 |
| A method of fusing and fixing a liquid toner image on a substrate. The image includes a carrier liquid and a non-volatile portion including thermoplastic toner particles which are plasticized by the carrier liquid at a predetermined temperature. The non-volatile portion of the liquid |
| 5497222 |
Image transfer apparatus incorporating an integral heater |
March 5, 1996 |
| An imaging system including an image bearing surface and an intermediate transfer member operative for transfer of toner images from the image bearing surface to a transfer surface of the intermediate transfer member and for subsequent transfer to a substrate.The intermediate transfer me |
| 5436706 |
Latent image development apparatus |
July 25, 1995 |
| Imaging apparatus including a first member having a first surface having formed thereon a latent electrostatic image, the latent electrostatic image including image regions at a first voltage and background regions at a second voltage, a second member charged to a third voltage intermedi |
| 5426491 |
Method and apparatus for enhancing the cohesiveness of developed images in electrostatic imaging |
June 20, 1995 |
| An imaging process including the steps of forming an electrostatic image on a photoconductor surface, developing the electrostatic image with a liquid developer to form a developed image on the photoconductor surface, and transferring the developed image from the photoconductor surface t |
| 5410392 |
Imaging system with intermediate transfer members |
April 25, 1995 |
| Imaging apparatus for printing an image on a substrate (42) from a latent image formed on a latent image bearing surface (16) including developing apparatus (22) for developing the latent image/with toner to form a developed toner image of a given size, a first intermediate transfer |
| 5407771 |
Toner and liquid composition using same |
April 18, 1995 |
| A liquid composition for developing latent electrostatic images comprising toner particles associated with a pigment dispersed in a nonpolar liquid. The salient feature of the invention is that the toner particles are formed with a plurality of fibers or tendrils from a thermoplastic pol |
| 5380611 |
Liquid developer systems for imaging on transparent and opaque substrates |
January 10, 1995 |
| A method for providing an image on either opaque or transparent substrates (42) to have substantially equal apparent color saturation when viewed and including the steps of: developing a latent electrostatic image on an image bearing surface (16) using a colored liquid developer in a dev |
| 5335054 |
Image transfer apparatus including intermediate transfer blanket |
August 2, 1994 |
| Imaging apparatus includes a drum having an image bearing surface, apparatus for forming an electrostatic image on the image bearing surface, apparatus for developing the electrostatic image using a toner comprising charged toner particles to form a toner image, and an intermediate t |
| 5300390 |
Liquid toner composition |
April 5, 1994 |
| An improved liquid toner composition for developing latent electrostatic images comprising toner particles, a release agent and a nonpolar dispersant liquid. An agent causing an apparent increase in the cohesivity of the toner particles may be included in the toner composition, or such |
| 5286948 |
Fusing apparatus and method |
February 15, 1994 |
| Apparatus for fusing a thermoplastic image onto a substrate including a fuser element having a thin fusing member and apparatus for tensioning the thin fusing member. |
| 5286593 |
Liquid developer containing stabilized charge director composition |
February 15, 1994 |
| A method for stabilizing a charge director solution, and a charge director composition made by this method, whereby a charge director is mixed with a solvent and a polar monomer species and a polymerization reaction is initiated and allowed to progress to completion. |
| 5278615 |
Liquid toner imaging system |
January 11, 1994 |
| A multi-color liquid toner electrophotographic apparatus includes an image bearing surface, a developing apparatus for developing an image on the image bearing surface using a plurality of liquid toners of different colors and a transferring apparatus for transferring the developed image |
| 5276492 |
Imaging method and apparatus |
January 4, 1994 |
| A method and apparatus for transferring liquid toner images from an image forming surface (10) to an intermediate transfer member (40) for subsequent transfer to a final substrate (42). the liquid toner images include carrier liquid and pigmented polymeric toner particles which are e |
| 5270776 |
Method for fusing developed image |
December 14, 1993 |
| An imaging process which includes the steps of developing an image with liquid toner including a liquid carrier and toner particles, transferring the image to a substrate and fusing and fixing the image to the substrate by the application of energy and pressure, such that at least about |
| 5264313 |
Charge director composition |
November 23, 1993 |
| A method for stabilizing a charge director solution, and a charge director composition made by this method, whereby a charge director is mixed with a solvent and a polar monomer species and a polymerization reaction is initiated and allowed to progress to completion. |
| 5262829 |
Composition of matter useful for fusing of developed images and method and apparatus using same |
November 16, 1993 |
| A composition of matter including: (A) a release coating silicone polymer; (B) a cross-linker for (A) in an amount insufficient to substantially cross-link (A); and (C) a soft silicone rubber formulation, the weight ratio of (A) to (C) being in the range of from about 1:1.5 to 1:20. The |
| 5231454 |
Charge director replenishment system and method for a liquid toner developing apparatus |
July 27, 1993 |
| A system for imaging with liquid developer, the developer including carrier liquid, toner particles and charge director, the system including an electrostatic imaging surface apparatus for forming an electrostatic image on the electrostatic imaging surface, a reservoir for the liquid |
| 5220384 |
Liquid developer based imaging machine using a developing electrode |
June 15, 1993 |
| A liquid toner based imaging machine includes a movable photoconductive member carrying an electrostatic latent image. A developing station contains a source of toner liquid that includes charged toner particles. The station is operatively associated with the carrier for contacting the |
| 5208637 |
Liquid toner replenishment system |
May 4, 1993 |
| Liquid toner imaging apparatus for producing an image on a substrate and having carrier liquid and toner particle carryout on the average in a first ratio, the apparatus including an image bearing surface, apparatus for developing an image on the image bearing surface using a liquid tone |
| 5192638 |
Toner for use in compositions for developing latent electrostatic images, method of making the s |
March 9, 1993 |
| A liquid composition for developing latent electrostatic images comprising toner particles associated with a pigment dispersed in a nonpolar liquid. The salient feature of the invention is that the toner particles are formed with a plurality of fibers or tendrils from a thermoplastic pol |
| 5157238 |
Fusing apparatus and method |
October 20, 1992 |
| Apparatus for fusing a thermoplastic image onto a substrate including a fuser element having a thin fusing member and apparatus for tensioning the thin fusing member. |
| 5155001 |
Liquid developer method with replenishment of charge director |
October 13, 1992 |
| A liquid developer system contains electrically charged toner particles that are applied to a surface having a latent electrostatic image thereon for developing the image. The liquid developer system includes an insulating non-polar carrier liquid, toner particles dispersed in the ca |
| 5146276 |
Rotatable focusing means and variable magnification electrophotocopier |
September 8, 1992 |
| A variable magnification electrophotographic copier wherein the ratio of object and image distances is changed by rotating a focusing device about an axis orthogonal to its optical axis. In a preferred embodiment, the focusing device is a refractive lens having a shape factor different f |
| 5121164 |
Method for maintaining a liquid composition |
June 9, 1992 |
| A method for maintaining a preselected concentrations of first and second charge directors in a toner composition, where such composition is being subjected to a use in which initial concentrations of the first and second charge directors are being depleted. |
| 5108866 |
Process for preparing liquid toner composition |
April 28, 1992 |
| A process for preparing a liquid toner compsition which includes the steps of combining first and second types of pigmented particles and mixing them together whereby the first type of pigmented particles acquire charges of a first polarity and the second type of pigmented particles acqu |
| 5089856 |
Image transfer apparatus incorporating an internal heater |
February 18, 1992 |
| An imaging system including an image bearing surface and an intermediate transfer member having an image transfer surface and being operative for transfer of toner images from the image bearing surface to the image transfer surface and for subsequent transfer to a substrate. The inte |
| 5078504 |
Dispersion apparatus |
January 7, 1992 |
| Dispersion apparatus for dispersing a first material in a second material comprising an enclosure having disposed therein an apertured divider defining first and second sub-enclosures within said enclosure on opposite sides of said divider, a first inlet for said first material communica |
| 5048762 |
Dispersion apparatus |
September 17, 1991 |
| Apparatus for dispersion of solids in liquids including two relatively movable elements arranged so as to define a dispersing volume therebetween, a multiplicity of separate generally cylindrical dispersing elements disposed within the dispersing volume, and apparatus for supplying a |
| 5047808 |
Image transfer apparatus including a compliant transfer member |
September 10, 1991 |
| An image system including an image bearing surface and an intermediate transfer member operative for transfer of liquid toner images from the image bearing surface to a substrate provides for first transfer engagement between the intermediate transfer member and the image bearing sur |
| 5034778 |
Background cleaning system for liquid developer imaging apparatus |
July 23, 1991 |
| Dual color imaging process and system providing formation of an image having adjacent first and second areas respectively containing first and second types of pigmented particles undesirably separated by third areas relatively free of particles of the first and second types and causing t |
| 5028964 |
Imaging system with rigidizer and intermediate transfer member |
July 2, 1991 |
| Apparatus for image transfer including an image bearing surface arranged to support a liquid toner image thereon, including image regions and background regions, means for removing pigmented toner particles from the vicinity of background regions defined on the image bearing surface, mea |
