| Patents for G03G 13 - Electrographic processes using a charge pattern (6,148) |
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| 07/27/1982 | CA1128602A1 Method and apparatus for xeroradiography |
| 07/14/1982 | EP0055992A2 Composition for a toner of a magnetic resist printing process |
| 07/13/1982 | US4339518 Process of electrostatic printing with fluorinated polymer toner additive |
| 07/06/1982 | US4338019 Method for operating electrophotographic copying apparatus |
| 06/30/1982 | EP0054637A2 Image density test circuit for an electrophotographic copier |
| 06/29/1982 | US4337306 Electrography |
| 06/29/1982 | US4337303 Transfer, encapsulating, and fixing of toner images |
| 06/29/1982 | CA1126799A1 Electrophotographic process |
| 06/23/1982 | EP0054310A2 Transfer foil for the transfer of figures onto surfaces; transfer process and apparatus therefor |
| 06/22/1982 | US4336318 Adjusting the thickness of tone layer to produce fog free images |
| 06/15/1982 | US4335196 Ferromagnetic and insulating toner particles |
| 06/15/1982 | US4335194 Two color electrophotographic process and material |
| 06/09/1982 | EP0053362A2 Process for the production of lithographic printing plates and light-sensitive materials for use therein |
| 06/08/1982 | CA1125356A1 Electrostatic copying process and apparatus |
| 06/01/1982 | CA1124565A1 Dielectric overcoated photoresponsive imaging member and imaging method |
| 05/18/1982 | CA1123680A1 Process for reversal development |
| 05/11/1982 | US4329414 Development, toners |
| 05/11/1982 | US4329043 Multiple copy electrophotographic reproducing apparatus |
| 05/11/1982 | US4328977 Thermosensitive ink layer |
| 05/04/1982 | US4328265 Thermoplastic acrylic resin and a reactive thermosetting resin |
| 05/04/1982 | US4327664 Wet type electrostatic image developing device |
| 05/04/1982 | CA1123039A1 Electrophotographic imaging method |
| 04/27/1982 | CA1122643A1 Formation of electrostatic latent image |
| 04/06/1982 | US4323929 Printing process using lithographic plates made from toned amplitude modulated magnetic images |
| 03/30/1982 | US4322488 Developing latent electrostatic images using a liquid toner and a development electrode |
| 03/30/1982 | US4322486 Electrophotographic process involving double charging |
| 03/23/1982 | CA1120528A1 High speed electrophotographic medium and method |
| 03/23/1982 | CA1120337A1 Developing latent electrostatic images using a liquid toner and a development electrode |
| 03/17/1982 | EP0047457A1 Transport device for printing plates |
| 03/16/1982 | US4320186 Electrographic method for preparing original for projection and transfer film for use in method |
| 03/02/1982 | CA1119242A1 Electrophotographic backcharge process |
| 02/17/1982 | EP0046026A2 Transfer, encapsulating, and fixing of toner images |
| 02/09/1982 | US4315064 Electrostatic photographic copying process |
| 02/04/1982 | WO1982000369A1 Improvements in and relating to electrostatic printing |
| 02/02/1982 | US4314012 Photoconductive reflex exposure member |
| 02/02/1982 | CA1117347A1 Amplification of electrographic image patterns developed with group viii or ib metal containing catalyst |
| 01/19/1982 | US4311778 Electrophotographic method |
| 01/19/1982 | US4311777 Method for forming an electrostatic latent image |
| 01/19/1982 | US4311776 Electrophotographic image forming method |
| 01/12/1982 | US4310610 Two color electrostatographic process |
| 01/12/1982 | CA1116227A1 Controlled corona for charging electrostatic photocopy paper having zno binder layer |
| 01/12/1982 | CA1116224A1 Method for preventing toner particles from moving from recording medium to modulating element |
| 01/12/1982 | CA1116016A1 Lithographic printing plate and process for making same |
| 01/06/1982 | EP0043086A2 Liquid toner applicator |
| 01/06/1982 | EP0043085A2 Process for manufacturing printing plates or integrated circuits |
| 01/05/1982 | US4308799 Polysiloxane, alkoxysilane, and organotitanium or zirconium compound |
| 12/29/1981 | US4308330 Multilayer for subtractive process |
| 12/29/1981 | CA1115330A1 Duplex system and method for pre-collation copiers |
| 12/29/1981 | CA1115328A1 Vector pinning in an electrophotographic machine |
| 12/22/1981 | US4307168 Amplification of developed electrographic image patterns |
| 12/10/1981 | WO1981003556A1 Electrophotographic method of obtaining image on dielectric foil |
| 12/09/1981 | EP0041292A1 Process of forming a metal article, process of manufacturing a plastics mask upon a metal carrier and installation for applying a plastics mask upon the surface of a metal carrier |
| 12/09/1981 | EP0041291A1 Process and installation for forming a metal product by applying a photo semi-conducting material |
| 12/09/1981 | EP0041276A1 Methods for the transfer of image deposits formed by electroscopic marking particles |
| 12/08/1981 | CA1114012A1 Digitally regulated power supply for use in electrostatic transfer reproduction apparatus |
| 11/18/1981 | EP0040128A2 Method for electrographic reproduction on any base by means of a magnetic monocomponent development toner |
| 11/17/1981 | CA1112501A1 Electrostatographic photosensitive device comprising a hole transport layer between hole injecting and charge generation layers |
| 11/10/1981 | US4299902 Liquid phase photoconductography |
| 11/10/1981 | US4299900 Photoconductography |
| 11/03/1981 | CA1111897A1 Two sided printing system with sheet inverter |
| 10/27/1981 | US4297422 Electrophotographic process for printing a plurality of copies |
| 10/21/1981 | EP0038050A2 Electrophotographic color proofing apparatus |
| 10/20/1981 | CA1111097A1 Charge control system for xerographic machines |
| 10/20/1981 | CA1110902A1 Electrographic process for making transparencies |
| 10/13/1981 | US4294904 Brush, forming electrostatic latent images |
| 10/13/1981 | US4294903 Process for electrostatically developing and pressure-fixing a reversed image including charge dissipation prior to fixing |
| 10/13/1981 | US4294902 Image formation method having translucent particles containing a coloring agent and a colorless dye former |
| 10/07/1981 | EP0037193A2 Xerographic reproduction method |
| 10/06/1981 | US4293634 Binders, aggregation, crystallization |
| 10/06/1981 | US4293631 Electrographic toner compositions |
| 10/06/1981 | US4292921 Electrographic development apparatus |
| 09/29/1981 | US4292387 Magnetic developing method under A.C. electrical bias and apparatus therefor |
| 09/22/1981 | US4290690 Device for controlling potential of latent image for use in electrophotographic apparatus |
| 09/09/1981 | EP0035203A2 Process and apparatus for the electrophotographic preparation of half-tone colour copies |
| 09/08/1981 | US4288518 Electrographic magnetic developing method |
| 09/08/1981 | US4288515 Toner brush |
| 09/08/1981 | CA1108775A1 Method and apparatus for building up and reducing the pressure of gases in ionography imaging chambers |
| 09/08/1981 | CA1108685A1 Method and apparatus for generating charged particles |
| 09/02/1981 | EP0034816A2 Multiple transfer of tacky image areas using prolonged tack toners |
| 09/01/1981 | US4287283 Iron powder developing carrier and the manufacturing method of the same, developer containing said carrier and method of forming visible image by using said developer |
| 09/01/1981 | US4286861 Electrostatic copying process and apparatus |
| 09/01/1981 | US4286543 Apparatus for developing electrostatic image |
| 08/26/1981 | EP0034317A2 Electrophotographic method for producing a planographic printing forme |
| 08/25/1981 | US4286036 Process for reversal development |
| 08/18/1981 | US4284702 Electrographic developing method |
| 08/18/1981 | US4284697 Image formation method |
| 08/18/1981 | CA1107158A1 Transfer sheet and process for preparation thereof |
| 08/18/1981 | CA1107136A1 Latent imaging master |
| 08/11/1981 | CA1106872A1 Document protection using colors below critical density of copier |
| 08/04/1981 | US4282297 Interpositioning of a semiconductor substrate between a photoreceptor and a conducting layer |
| 07/28/1981 | US4281051 Three color electrostatographic process |
| 07/14/1981 | US4278884 Method and apparatus for xeroradiography |
| 07/14/1981 | CA1104861A1 Iron powder developing carrier and the manufacturing method of the same, developer containing said carrier and method of forming visible image by using said developer |
| 07/14/1981 | CA1104858A1 Plate for lithography or offset printing with oleophilic iron oxide areas and hydrophilic etched inorganic pigment areas |
| 07/08/1981 | EP0031481A1 Material for electrographical reproduction |
| 07/07/1981 | US4277550 Photosensitive screen for electrographic apparatus |
| 06/23/1981 | CA1103736A1 Electrostatographic imaging method |
| 06/16/1981 | CA1103300A1 Method for information processing |
| 06/03/1981 | EP0029643A1 Electrostatic photographic process, photosensitive material for use therein and transfer sheet bearing a fixed image prepared employing said process or material |
| 06/03/1981 | EP0029584A1 Method for operating electrophotographic copying apparatus |