| Patents for G03G 13 - Electrographic processes using a charge pattern (6,148) |
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| 06/27/1989 | US4843425 Image forming method and apparatus |
| 06/27/1989 | US4842972 Process for image production containing the heat-and-pressure fixing of a still wet or moist toner image |
| 06/20/1989 | US4841328 Electrostatic recording apparatus |
| 06/20/1989 | CA1255950A1 Process for achieving consistent high quality images with magnetic developer composition |
| 06/15/1989 | DE3834631A1 Photosensitive recording material for electrophotography and image-generation processes, and an electrophotographic device in which the recording material is used |
| 06/14/1989 | EP0320277A2 Highlight colour imaging |
| 06/13/1989 | US4839692 Apparatus for reproducing multi-color image |
| 06/07/1989 | EP0319098A2 Electrostatic proofing of negative color separations |
| 06/07/1989 | EP0318759A1 Multilayered electrophotographical recording material |
| 06/07/1989 | EP0318758A2 Multilayered electrophotographical recording material |
| 06/06/1989 | US4837105 Imaging process with prevention of toner spots |
| 05/30/1989 | US4835570 Apparatus for printing fixed and variable indicia |
| 05/30/1989 | US4834797 Fat-desensitizing composition for litho printing plates comprising phytic acid, polyethylene glycol and a glycol compound |
| 05/24/1989 | EP0317320A2 Method and apparatus for colour electrophotography |
| 05/23/1989 | US4833505 Latent image color developing system |
| 05/23/1989 | US4833503 Electronic color printing system with sonic toner release development |
| 05/23/1989 | US4833059 Latent images |
| 05/18/1989 | WO1989004510A1 Electrostatographic method and apparatus for producing multicolor duplex reproductions |
| 05/16/1989 | US4831408 Electrophotographic apparatus capable of forming images in different colors |
| 05/16/1989 | US4830945 Polymeric core to which steric stabilizer polymers are attached |
| 05/10/1989 | EP0315509A1 Method for fixing a toner powder put on a sheet, and device for fixing this toner according to this method |
| 05/10/1989 | EP0315121A2 Process for preparing positive and negative images using photohardenable electrostatic master |
| 05/10/1989 | EP0315116A2 Photohardenable electrostatic master containing electron acceptor or donor |
| 05/09/1989 | US4828953 Method for the formation of outline images corresponding to the peripheral outlines of document's images |
| 05/09/1989 | US4828952 Electrophotographic lithographic printing plate precursor |
| 05/09/1989 | US4828951 Method for the formation of multicolor images |
| 05/09/1989 | US4828950 Method for making multi-color reproductions on plain bond paper |
| 05/02/1989 | US4826750 Development process in electrophotography utilizing carbon black of specified coloring power |
| 05/02/1989 | US4826747 Digital |
| 05/02/1989 | US4826746 Silicon layer |
| 04/25/1989 | CA1253192A1 Extended life development system |
| 04/20/1989 | WO1989002615A3 Electrophotographic method and apparatus |
| 04/19/1989 | EP0142550B1 Apparatus and method for electrophotographically producing copy having continuous-tone and other content |
| 04/19/1989 | EP0141850B1 Apparatus and method for electrophotographically producing color copy continuous-tone originals and other content of selective color |
| 04/18/1989 | US4822711 Noncontact, two-component development with specific gap and bias; high quality image |
| 04/18/1989 | US4822702 Reverse developing electrostatic latent images |
| 04/11/1989 | US4820618 Glazing, transparentizing, fusing |
| 04/05/1989 | EP0309588A1 Method of multicolor printing metal containers and metal sheets |
| 03/28/1989 | US4816382 Method of producing plate making masks and film for forming masks |
| 03/28/1989 | CA1251827A1 Multicolor toner images in electrography |
| 03/23/1989 | WO1989002615A2 Electrophotographic method and apparatus |
| 03/21/1989 | US4814246 Light-sensitive photoconductive recording material with light sensitive covering layer for use in manufacturing printing form or printed circuit |
| 03/21/1989 | US4813868 Image fixing method |
| 03/14/1989 | US4812383 Interaction of polymers in developer and substrate coating |
| 03/08/1989 | EP0306048A2 Electrophotographic master plate for lithographic printing |
| 03/07/1989 | CA1250779A1 Method and apparatus for reproducing multi-color image and photoreceptor thereof |
| 02/21/1989 | US4806974 Apparatus for reproducing a copy image according to either a positive original image or a negative original image |
| 02/14/1989 | US4804609 To remove talc from photoreceptor surfaces |
| 02/14/1989 | US4804603 Multicolor image from single exposure |
| 02/14/1989 | US4804601 Electrophotographic and electrographic imaging processes |
| 02/14/1989 | CA1249945A1 Full tone electrophotographic imaging system |
| 02/09/1989 | WO1989001189A1 Liquid toner recycling system and method |
| 02/07/1989 | US4803514 Multi-color image forming method and apparatus |
| 01/31/1989 | CA1249476A1 Low field electrophotographic process |
| 01/24/1989 | US4799452 Liquid toner recycling system and method |
| 01/24/1989 | CA1249326A1 Multicolor images using an electron beam |
| 01/18/1989 | CN1030484A Character envelope-generation device for shade-transcribing machine |
| 01/10/1989 | US4797714 Master and master transport assembly registration system |
| 01/03/1989 | US4796265 Imaging using collectively controlled multiple beams |
| 12/28/1988 | EP0296169A1 Method and apparatus utilizing corona erase for improving a multi-color electrophotographic image. |
| 12/28/1988 | EP0296168A1 Electrophotographic color proofing apparatus and method. |
| 12/28/1988 | CA1247432A Migration imaging process |
| 12/28/1988 | CA1247431A Migration imaging system |
| 12/27/1988 | US4794421 Apparatus and method for electrophotographically producing copies from originals having continuous-tone and other content |
| 12/27/1988 | US4794063 Color separation filters |
| 12/27/1988 | US4794062 Method for the formation of outline images corresponding to the peripheral outlines of document's images |
| 12/20/1988 | US4792775 Method for the formation of outline images corresponding to the peripheral outlines of document's images |
| 12/20/1988 | US4792511 Electrophotographic zinc oxide-resin binder lithographic printing plate precursor |
| 12/14/1988 | EP0294824A2 Image forming method and apparatus therefor |
| 12/06/1988 | US4789615 Toner compositions with nicotinate charge enhancing additives |
| 12/06/1988 | US4789612 Method for forming color image |
| 11/30/1988 | EP0221281B1 Device for purging a developer mixture containing a magnetic component from the developer unit of a non-mechanical printing or copying machine |
| 11/29/1988 | US4788123 Process for minimizing image de-enhancement in flash fusing systems |
| 11/29/1988 | US4788118 Light sensitive layer of photoconductive material, alkali soluble resin binder and fine powdered polymer |
| 11/22/1988 | US4786939 Image forming apparatus |
| 11/17/1988 | EP0291296A2 Method for developing an electrostatic latent image |
| 11/15/1988 | US4785316 Image recording device |
| 11/01/1988 | US4782000 Electrophotographic recording elements with hydrolyzed silane layer |
| 11/01/1988 | CA1243907A1 Process for selective transfer of metallic foils to xerographic images |
| 10/25/1988 | US4780742 Image quality improving process and apparatus and sheet usable therewith |
| 10/18/1988 | US4778740 Color electrophotographic method and apparatus |
| 10/18/1988 | CA1243416A1 Method of imaging resist patterns of high resolution on the surface of a conductor |
| 10/18/1988 | CA1243348A1 Multiplex image reproducing method |
| 10/11/1988 | US4777107 Method and apparatus for image development using a two component developer with contact and non-contact development steps alternated by vibration of magnetic particles subject to electric and magnetic fields |
| 10/06/1988 | WO1988007706A1 Method of multicolor printing metal containers and metal sheets and printed products |
| 09/28/1988 | EP0150200B1 Electrographic apparatus and method employing image development adjustment |
| 09/21/1988 | EP0141851B1 Improved electrophotographic apparatus and method for producing continuous-tone copy |
| 09/20/1988 | US4772913 Image forming method & apparatus with variable fixing pressure in a multiple copy mode |
| 09/20/1988 | US4772527 Image forming method using improved developing agent |
| 09/14/1988 | EP0281727A2 A method for making a lithographic printing plate, the use of such a printing plate for printing, and a method of printing using such a printing plate |
| 09/13/1988 | US4770967 Method and apparatus for the development of an electrostatic charge image |
| 08/31/1988 | EP0280337A2 Multiplex image reproducing method |
| 08/23/1988 | US4766460 Color electrophotographic method |
| 08/16/1988 | US4764443 Positive proofs from negative films; attraction toning; reuse of dielectric papers |
| 08/16/1988 | CA1240731A1 Magnetic roll for copy machines and method for manufacturing same |
| 08/09/1988 | US4763002 Photon detector |
| 08/09/1988 | CA1240204A1 Colour reproduction process |
| 08/03/1988 | EP0277063A1 Image forming apparatus with plural developing devices |
| 08/02/1988 | US4761671 Electrophotographic subprocess for apparatus using discharged area toning |
| 08/02/1988 | US4761357 Electrophoretic development of electrostatic charge images |