Patents for G03G 13 - Electrographic processes using a charge pattern (6,148)
09/1999
09/15/1999EP0942333A1 Coated photographic papers
09/15/1999EP0692743B1 Method for forming color image and apparatus used therefor
09/14/1999USRE36304 Multiplex image reproducing method
09/14/1999US5952101 Granular charging agent and charging method and image forming method using the same
09/14/1999US5950541 Subjecting the lithographic printing original plate to a negative corona discharge from the side of photoconductive layer
09/09/1999DE19856574A1 Producing widest palette of richest colors for laser printing and copying
09/07/1999US5948585 Optimized particulate surface treatment concentration for electrostatographic images produced in an electrostatographic engine that includes a compliant intermediate transfer member
08/1999
08/31/1999USRE36287 Polyester film and lithographic plate
08/31/1999US5946534 Apparatus and method for non-interactive electrophotographic development
08/31/1999US5946018 Image formation apparatus and method for clear character and smooth image reproduction
08/31/1999US5945240 Direct drawing type lithographic printing plate precursor
08/24/1999US5942366 Electrophotographic toner composition suitable for heat-fixation and showing good storage characteristics is constituted by polymer components, a colorant and a metal-containing organic compound
08/17/1999US5939228 Waterproof supports and image receiver layers
08/11/1999EP0935175A2 Toner image fixing apparatus
08/09/1999CA2259806A1 Toner image fixing apparatus
08/04/1999EP0932850A1 Multicolor electrophotographic printing device with bipolar toner
08/03/1999US5932381 Sensitivity, smoothnesss, waterproof
07/1999
07/27/1999US5930568 Electrophotographic image forming apparatus
07/27/1999US5930567 Image recording method for forming toner images of the same color
07/27/1999US5928827 Applying a dry toner powder comprising a colorant and a nontacky adhesive to a portion of the first major surface of the substrate, covering above layer with a dry toner powder with tacky adhesive, applying a second substrate over first
07/27/1999US5928823 Providing peelable transfer layer containing a thermoplastic resin on surface of electrophotographic light-sensitive element, forming non-fixing toner image by electrophotography, transferring image to lithographic printing support
07/21/1999EP0930545A2 Image formation method using color toners
07/21/1999CN1223389A 图象形成设备 An image forming apparatus
07/20/1999US5926677 Image forming developing method
07/20/1999US5925485 Method of manufacturing a phosphor screen for a CRT
07/20/1999US5925446 Electrophotographic transfer paper and color image forming method
07/14/1999EP0929000A2 Image forming method and image forming apparatus
07/14/1999EP0928999A2 Apparatus and method for non-interactive electrophotographic development
07/13/1999US5923412 Encapsulated liquid toner printing apparatus
07/13/1999CA2077294C Infrared or red light sensitive migration imaging member
07/06/1999US5920756 Image forming method and apparatus having a recording medium
06/1999
06/22/1999US5915150 Image forming method utilizing toner having inorganic particles and particles of a specific sphericity
06/22/1999US5915144 Multicolor image forming method
06/15/1999US5912097 Releasing fuser and toner
06/08/1999US5910388 Image enhancing particle having electrostatically chargeable material comprising polymer and optional charge control agent attached to portion of exterior surface
06/04/1999CA2246877A1 Reproduction equipment for printing newspapers
06/02/1999CN1218204A Color photoelectric image forming device
06/01/1999US5908729 Printing on transparent film
05/1999
05/26/1999EP0917669A1 Liquid toner and imaging system
05/25/1999US5907755 Developing device
05/11/1999US5902708 Method of electrophotographic phosphor deposition
05/04/1999US5900352 Carboxymethylated b-aminopropionic acids and salts
05/04/1999US5900341 Process for the formation of images on printing form having ferroelectric material layer
04/1999
04/22/1999DE19844081A1 Image generation device for electrophotographic copier
04/22/1999CA2346972A1 Coating system for substrates
04/21/1999EP0674779B1 Printing process
04/14/1999CN2314394Y Swinging mechanism of etching apparatus
04/13/1999US5893664 Multi-color image forming apparatus having arrangements for reducing ozone generation
04/06/1999US5891598 Printing plates using indirect electrophotographic process
04/06/1999US5890742 Identification document and personalization and assembly process
03/1999
03/31/1999EP0905584A2 Varying tone security document
03/30/1999US5890038 Image forming apparatus in which carrying force for a mixing toner by a toner carrying member is made small
03/30/1999US5887525 Machine for simultaneously making two printing plates for newspaper printing
03/17/1999EP0778981B1 Method of electrophotographically manufacturing a screen assembly
03/17/1999CN1210993A Image forming device and image forming method
03/16/1999US5884129 Black developer which contains a small-diameter black toner
03/16/1999US5882828 Toners and resins, drying to remove dispersion medium and contacting
03/16/1999CA2044319C Highlight printing apparatus
03/10/1999EP0691904B1 Electrographic element and process
03/09/1999US5879849 Developer of resin beads with silica adhered to their surface, beads adhered to surface of parents of toner; resin beads prevent silica from being buried in the parents of toner for maintained developer transferring ratio
03/09/1999CA2062230C Electrophotographic printing apparatus capable of printing images by electrophotographic processing and its start-up method
03/02/1999US5878305 Electrophotographic printer
02/1999
02/23/1999US5875375 Electrophotographic apparatus and process cartridge
02/23/1999US5874145 Identification document with enhanced level of security
02/23/1999CA2027439C Biasing scheme for improving latitudes in the tri-level xerographic process
02/10/1999EP0896252A1 Toner for developing latent electrostatic images and image formation method using the toner
02/09/1999US5870656 Image forming apparatus for effecting development and cleaning by using magnet brush
02/09/1999US5870129 Image forming method and apparatus transferring an ink image
02/09/1999US5869213 Reduce the improper flight of the toner by controlling the relative amounts of hydrophobic silicon dioxide within the toners, controlling particle size and the voltage difference between the toner and photoconductive element
02/03/1999CN1206854A Laser explosure unit
02/02/1999US5866286 Uniform coloring from primary toners
02/02/1999CA2027459C Bias switching between tri-level and bi-level development
01/1999
01/27/1999EP0893741A2 Image forming apparatus and image forming method
01/27/1999CN1206129A Image-forming device
01/26/1999US5864353 Method of adjusting imaging apparatus
01/26/1999US5863684 Developer, image forming method, and multicolor image forming method
01/19/1999US5862434 Method and apparatus for forming an image on an image transfer medium and a method of forming an image using the image transfer medium
01/13/1999EP0890142A1 Electrophotographic printing process for printing a substrate
01/13/1999EP0343185B2 Electrostatographic method and apparatus for producing multicolor duplex reproductions
01/12/1999US5860049 Developing apparatus and picture image forming apparatus
01/12/1999US5858600 Friction between toner and carrier
01/12/1999US5858593 Magnetic toner, apparatus unit and image forming method
01/07/1999EP0889365A1 Apparatus for exposing and developing printing plates
12/1998
12/30/1998EP0886808A1 Imaging medium, method of imaging said medium, and image-bearing medium
12/29/1998US5853941 Eliminating triboelectrically generated background in an electrophotographically produced image
12/29/1998US5853875 Light-transmitting recording material for electrophotography, and heat fixing method
12/22/1998US5851717 Developer for use in electrophotography, and image formation method using the same
12/22/1998US5851716 Electrophotographic image forming method and toner composition used therefor
12/22/1998US5851711 Image forming method
12/15/1998US5849453 Image forming method including recycling of untransferred toner collected from image bearing member to developing means
12/15/1998US5849452 developing method using an oscillated electric field and including a specified toner and carrier
12/09/1998CN1201166A Developer, treatment cassete and picture formation device thereof
12/08/1998US5848332 Image forming method and apparatus using tacky image forming support
12/08/1998US5846632 Transfer support and method for fusing a transferrable image to a digital disc
12/02/1998EP0881543A1 Electrographic imaging element and process
12/02/1998CN1200497A Toner powder used for full color electronic photographing and mfg. method therefor, and image formation method therewith
12/01/1998US5845183 Developing device for an image forming apparatus
12/01/1998US5843605 Yellow developer
11/1998
11/25/1998EP0880082A1 A method of forming toner images in register on a charge retentive medium and an image-forming apparatus adapted to perform the method
11/24/1998US5842097 Image forming and transferring method using a peeling layer
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