| Patents for G03G 13 - Electrographic processes using a charge pattern (6,148) |
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| 08/21/1990 | US4950569 Responsive to incident actinic radiation, forming charge pattern, applying toner, radiation, and recording differences in intensity; high contrast |
| 08/16/1990 | EP0382142A2 Material for forming image |
| 08/16/1990 | EP0381751A1 Electrophotographic method. |
| 08/15/1990 | CN1044713A Method of electrophotographically manufacturing a luminescent screen assembly having increased adherence for a crt |
| 08/14/1990 | US4949127 Magnetic brush development process |
| 08/14/1990 | US4948692 Combination toner and printer utilizing same |
| 08/14/1990 | US4948691 Developing with thermal crosslinking toner; transferring to sheet with specific oil absorption coefficient |
| 08/14/1990 | US4948686 Process for forming two-color images |
| 08/07/1990 | US4947201 Imaging system |
| 08/07/1990 | US4946756 Transporting a sheet along a path having a movable radiation source temporarily immobilized |
| 08/07/1990 | US4946753 Separated toner images on a positively charged photoreceptor; high quality full color prints |
| 08/01/1990 | EP0380279A2 Method of electrophotographically manufacturing a luminescent screen assembly for a color cathode-ray tube |
| 07/31/1990 | US4945020 Mixture of polymierc binder, photooxidant, leuco dye, halogenated hydrocarbon and plasticizer |
| 07/31/1990 | CA2008548A1 Decoating solution for plates imaged by electrophotographic means and process for decoating such plates |
| 07/26/1990 | WO1990008349A1 Toner applicator for electrophotographic microimagery |
| 07/26/1990 | WO1990008348A1 Improved liquid toner composition |
| 07/26/1990 | WO1990008041A1 Improved printing process |
| 07/25/1990 | EP0379037A2 Colored metal plate and process for manufacturing the same |
| 07/24/1990 | US4943504 Method for developing an electrostatic latent image |
| 07/17/1990 | US4942428 Method and apparatus for annotating electrophotographic prints of photographic negatives |
| 07/17/1990 | US4942410 Polymeric binder, pressure sensitive elements, fillers |
| 07/12/1990 | WO1989012258A3 Method for fusing developed image |
| 07/11/1990 | EP0377318A2 Electrophotographic imaging element |
| 07/05/1990 | DE3943094A1 Electrophotographic image prodn. process - using multilayer amorphous silicon system as light collecting element |
| 07/04/1990 | CN1043575A Improved electrostatic master for high speed xeroprinting |
| 06/26/1990 | US4937636 Single pass, two-color electrophotographic reproduction machine |
| 06/26/1990 | US4937630 Image forming apparatus employing non-magnetic and magnetic toner |
| 06/26/1990 | US4937629 Composite image recording apparatus |
| 06/26/1990 | US4937163 Imaging member and processes thereof |
| 06/20/1990 | EP0373868A2 Electrophotographic method |
| 06/20/1990 | EP0373776A2 Toner fluid dispersions, metallic images, and thermal mass transfer thereof |
| 06/20/1990 | EP0373652A2 Method of heat-fixing toner image |
| 06/20/1990 | EP0373533A2 Improved electrostatic master for high speed xeroprinting |
| 06/19/1990 | US4935788 Multicolor printing system |
| 06/19/1990 | US4935785 Electrophotographic fuser roll and fusing process |
| 06/19/1990 | US4935784 Developing apparatus using microcapsule developing agent and method thereof |
| 06/19/1990 | US4935782 Image forming apparatus using a developer including invisible and colored particles |
| 06/19/1990 | US4935756 Electrostatic recording member |
| 06/19/1990 | US4934930 Heat roller fixing device and image fixing method |
| 06/13/1990 | EP0372764A2 Liquid electrophotographic toners |
| 06/13/1990 | EP0371991A1 Liquid toner recycling system and method |
| 06/13/1990 | CA2004954A1 Electrostatic master for high speed xeroprinting |
| 06/13/1990 | CA2003560A1 Toner fluid dispersions, metallic images, and thermal mass transfer thereof |
| 06/12/1990 | US4933254 Photographic development |
| 06/12/1990 | US4932355 Method for removing a developer mix from a developing station |
| 06/06/1990 | EP0371737A2 Development process for formation of high-quality image |
| 06/06/1990 | EP0371735A2 Magnetic brush development process |
| 06/06/1990 | EP0371734A2 Magnetic brush development process |
| 06/02/1990 | CA2001960A1 Liquid electrophotographic toners |
| 05/31/1990 | WO1990005942A1 Enhancing cohesiveness of developed images |
| 05/30/1990 | EP0371011A2 Developing method and apparatus |
| 05/30/1990 | EP0370482A1 Color electrophotographic method |
| 05/22/1990 | US4927727 Thermally assisted transfer of small electrostatographic toner particles |
| 05/22/1990 | US4927725 Electrophotographic method |
| 05/22/1990 | US4927724 Method and apparatus for color electrophotography |
| 05/17/1990 | WO1989012257A3 Dual color imaging method and apparatus |
| 05/16/1990 | EP0368179A2 Process and apparatus for integrated printing form production at an offset machine |
| 05/15/1990 | US4925761 Mixture with anionic spolymer and acid |
| 05/08/1990 | US4924003 Pyrazoline compounds |
| 05/03/1990 | WO1990004810A1 Color electrophotographic method and apparatus |
| 05/01/1990 | US4921768 Electrophotographic image forming |
| 04/25/1990 | EP0364890A2 Panchromatic electrophotographical recording element |
| 04/25/1990 | EP0364855A1 Method of and apparatus for transferring a powder image, consisting of electrostatically charged developing powder, from an image forming medium to an image receiving medium |
| 04/24/1990 | US4920024 Photoreceptor edge erase system for tri-level xerography |
| 04/19/1990 | WO1990002977A3 Fusing apparatus and method |
| 04/19/1990 | DE3835256A1 Backing for printer's copies and use of such a backing |
| 04/18/1990 | EP0364007A1 Developing method and apparatus |
| 04/18/1990 | EP0363932A2 Printing forme |
| 04/17/1990 | US4918487 Toner applicator for electrophotographic microimagery |
| 04/17/1990 | US4917978 Surface treatment of phosphor particles |
| 04/10/1990 | US4916492 Developer method and apparatus |
| 04/05/1990 | DE3933156A1 Automatic processing of offset litho plates - with monitoring of impedance of processing fluid to determine top-up rate |
| 04/05/1990 | DE3932447A1 High quality processing for electrophotographic masters - with two=stage process to ensure accurate metering of process fluids |
| 04/04/1990 | EP0361851A1 Photoreceptor edge erase system especially for tri-level xerography |
| 04/04/1990 | EP0361562A1 Method of and device for fixing a powder image on a receiving support by means of heat |
| 04/04/1990 | CN1041046A Method of repeatedly recording optical image information and image pickup device |
| 04/03/1990 | US4913992 Charging, exposure to light, development cycles |
| 04/03/1990 | US4913991 Electrophotographic process using fluorine resin coated heat application roller |
| 03/27/1990 | US4912007 Image forming method using toner of pH 2.5-6.5 |
| 03/27/1990 | US4912003 Reverse development method |
| 03/27/1990 | US4911999 Electrostatic master containing thiourea or thioamide electrostatic decay additive for high speed xeroprinting |
| 03/22/1990 | WO1990002977A2 Fusing apparatus and method |
| 03/22/1990 | WO1990002975A1 Process and apparatus for producing printing plates |
| 03/20/1990 | US4910535 Image forming apparatus |
| 03/20/1990 | US4910112 Photoconductive zinc oxide in binder |
| 03/20/1990 | US4910108 Apparatus for heat-and-pressure fixation of toner images |
| 03/13/1990 | US4908301 Polymer shell, core containing chromogenic material, shell having developer on outer surface, the shell of toner being rupturable to release chromogens to form image |
| 03/13/1990 | US4908287 Image forming method and apparatus therefor |
| 03/08/1990 | WO1990002363A1 Electrophotographic luminescent amplification process |
| 03/07/1990 | EP0357454A2 Electrophotographic process |
| 03/07/1990 | EP0356993A2 Image forming method |
| 03/06/1990 | US4906541 Electrophotographic recording element containing a naphtholactam dye sensitizer |
| 02/27/1990 | US4904558 Stable triboelectric chargability; prevention of the attachment of magnetic particles; excellent color mixing and light transmission; overhead projector transparencies |
| 02/27/1990 | CA1266197A1 Light-sensitive recording material and its use in a process for the production of a printing form or printed circuit |
| 02/22/1990 | WO1990001730A1 Electrophotographic method |
| 02/21/1990 | CN1039905A Method and apparatus for transferring an electrostatic latent image |
| 02/14/1990 | EP0354688A1 Method and apparatus for transferring an electrostatic latent image |
| 02/14/1990 | EP0354531A2 Thermally assisted transfer of small electrostatographic toner particles |
| 02/14/1990 | EP0354530A2 Method of non-electrostatically transferring toner |
| 02/14/1990 | EP0354310A1 Method and apparatus for electrophotographic printing |