Patents for G03G 9 - Developers (22,748)
10/1999
10/05/1999US5962175 A developing method to develop an electrostatic latent image formed on the surface of a negatively chargeable organic photosensitive member.
10/05/1999CA2086852C Oxidation of toner compositions
09/1999
09/29/1999EP0945766A2 Black non-magnetic composite particles for black toner and black toner using the same
09/29/1999EP0945765A1 Toner particles for electrophotographic imaging applications
09/29/1999EP0944860A1 Liquid inks using a gel organosol
09/29/1999EP0944673A1 Trifluormethylpyridone based indolenine methine dyes
09/29/1999EP0660950B1 A process for preparing a binder resin useful in electrophotographic toner
09/28/1999US5958643 Liquid developer having polymer particles of a flat configuration dispersed in a dispersion medium
09/28/1999US5958642 Toner for developing an electrostatic charge image, developing agent for electrostatic charge image and image formation method
09/28/1999US5958641 Single component toner comprising specified polyester
09/28/1999US5958640 Polymerized toner of core-shell structure, comprising colored polymer core particles having specified size and glass transition temperature covered with polymer shell having specified film thickness
09/28/1999US5958639 Particles of coloring agent and prepared by addition polymerization of binder resin with specific peak molecular weight(pmw) and controlled amount of monomer with molecular weight not less than the pmw x 10; gloss, image sharpness
09/28/1999CA2115238C Toner, method for manufacturing same, and imaging apparatus using same
09/23/1999WO1999047982A1 Toner for electrostatic image development and process for producing the same
09/23/1999WO1999047586A1 Manufacturing methods, based on non aqueous dispersion techniques, to produce spherical polyester particles with narrow particle size distributions and tailorable mean particle sizes
09/23/1999WO1999047585A2 Spherical, dyable polyester particles of suitable size, process for their production and their use for high resolution toners
09/23/1999DE19907522A1 Electrophotographic toner for printing circuit on substrate, especially for making laminated circuit on ceramic
09/23/1999CA2324564A1 Manufacturing methods, based on non aqueous dispersion techniques, to produce spherical polyester particles with narrow particle size distributions and tailorable mean particle sizes
09/22/1999EP0943658A1 Spherical, dyable polyester particles, process for their production and their use for high resolution toners
09/22/1999EP0943643A1 Manufacturing methods, based on non aqueous dispersion techniques, to produce spherical polyester particles with narrow particle size distributions and tailorable mean particle sizes
09/22/1999CN1229198A Toner having negative triboelectric chargeability and developing method
09/21/1999US5955236 Printing, driving, images and toners
09/21/1999US5955235 Toner compositions with compatibilizers
09/21/1999US5955234 Comprised of binder resin, colorant and wax
09/21/1999US5955233 Resin comprising polymer obtained by polymerizing polymerizable monomer in the presence of epoxy resin and crystalline (meth)acrylic ester polymer
09/21/1999US5955232 Toners containing positively chargeable modified pigments
09/19/1999CA2264352A1 Toner particles for electrophotographic imaging applications
09/16/1999WO1999046645A1 Toner and method for image formation
09/16/1999DE19856037A1 Electrostatic toners useful in developer especially for digital latent image and full color copying
09/16/1999DE19849572A1 Electrophotographic toner for use in developer compositions
09/15/1999EP0942333A1 Coated photographic papers
09/15/1999EP0941983A1 Toner for developing electrostatic latent image, charge control agent for use in the toner, and process for preparing the charge control agent
09/14/1999US5953566 Color image forming method and apparatus providing for efficient toner transfer based on toner zeta potentials
09/14/1999US5952429 Carbon black graft polymer, method for production thereof, and use thereof
09/14/1999US5952145 A cyclic phenolic polymer used to develop electrostatic latent images in electrophotography, electrostatic printing and has good fixability, offset resistance
09/14/1999US5952144 Polymerizing atleast one monomer capable of forming polymer having glass transition temperature not higher than 80 degree c, and a colorant to form colored polymeric core, then adding one monomer for shell and forming polymeric layer
09/14/1999US5952143 Carrier for developing electrostatic latent image and manufacturing method thereof
09/14/1999US5952138 Magnetic ink character recognition (micr) using a magnetic developer comprising a magnetic toner containing a binder resin, magnetic material and a hydrocarbon wax with specific differential scanning calorimetry properties; smear resistant
09/14/1999US5952101 Granular charging agent and charging method and image forming method using the same
09/14/1999CA2071457C Magnetic toner and process for producing magnetic toner
09/08/1999EP0940728A1 Process for producing binder resin for toners for developing electrostatic images
09/08/1999EP0940727A1 Process for preparing flash fixation toner and master batch for use in said process
09/08/1999EP0808344B1 Process for producing electrophotographically active titanylphthalocyanine
09/08/1999EP0688352B1 A method for magnetically and/or electrostatically positioning pressure-sensitive adhesive beads
09/08/1999EP0641461B1 Encapsulated magnetic particles, pigments and carbon black, compositions and methods related thereto
09/07/1999USH1803 Liquid electrophotographic printing processes
09/07/1999US5948585 Optimized particulate surface treatment concentration for electrostatographic images produced in an electrostatographic engine that includes a compliant intermediate transfer member
09/07/1999US5948584 Crosslinked vinyl polymer-polyester hydrid resin, wax, colorant
09/07/1999US5948583 Toner composition and processes thereof
09/07/1999US5948582 Controlling particle size
09/07/1999US5948581 Toner for developing latent electrostatic images
09/07/1999US5948471 Decorated ceramic and glass articles, process for their manufacture and ceramic dye compositions for carrying out the process
09/02/1999WO1999043759A1 Pigment preparations containing an acrylic resin
09/01/1999EP0939345A1 Toner composition and method of preparing toner using the same
08/1999
08/31/1999US5945246 Process for producing a toner for electrophotography
08/31/1999US5945245 Toner processes
08/31/1999US5945244 A metallic core shielded by a terpolymer of styrene-diolefin-dialkylaminoalkyl methacrylate terpolymer to form a carrier
08/31/1999US5944650 Surfactants
08/26/1999WO1999042906A1 Compounds, composition and use
08/24/1999US5943537 Device for uniformly regulating the density of toner supplied to a developing unit
08/24/1999US5943536 Image forming apparatus
08/24/1999US5943534 Image forming method and apparatus including a liquid developer capable of changing in surface tension
08/24/1999US5943531 Electrophotographic apparatus, image forming method, and process for fabricating light receiving member for electrophotography
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
08/24/1999US5942365 Developer compositions and imaging processes
08/24/1999US5942364 Toner for developing electrostatic latent image; stability; heavy metal-free; electrography
08/24/1999US5942095 Method of continuous purification of liquid toner in an electrostatic printing system
08/18/1999EP0936507A2 Black magnetic composite particles and black magnetic toner using the same
08/18/1999CN1226193A Powder coated with multilayer coating
08/12/1999WO1999040488A1 Polymerization-process toner and process for the production thereof
08/12/1999DE19830650C1 Dry copying to give bonded active ingredients at a substrate surface for transdermal therapy
08/11/1999CN1225728A Colored magnetic toner and process for preparing same
08/10/1999US5935755 Method for document marking and recognition
08/10/1999US5935754 Preparation of liquid toners containing charge directors and components for stabilizing their electrical properties
08/10/1999US5935753 Toner particles have an average particle diameter of from 3 to 10 mu.m, the size distribution and shape index fulfilling a specific relationship; cleanerless and blade cleaning; high speed copying
08/10/1999US5935752 Toner for developing electrostatic latent images
08/10/1999US5935751 Binding resin, colorant, finely dispersed wax; electrography
08/10/1999US5935750 A carrier composed of a core and a coating of a polymer containing quternary ammonium salt group and contains a conductive component
08/10/1999US5934478 Gas stream classifier and process for producing toner
08/04/1999EP0933685A1 Toner, two-component developer, image forming method and apparatus unit
08/04/1999EP0933382A1 Polymers and processes thereof
08/04/1999EP0933142A2 Method for the pneumatic classification of toner
08/04/1999EP0769164B1 Process for preparing deodorized resin for dry toner
08/04/1999EP0680628B1 Liquid developer including charge control agent for electrostatography
08/04/1999CN1225047A Powder coated with multilayer film and process for preparing the same
08/03/1999US5932633 Method for making polymers-coated pigment particles using initiator-treated pigments
08/03/1999US5932388 Contains magnesium from 2.0 to 25.0 by means of number of atoms by percent in surface portion.
08/03/1999US5932387 Charged member for electrostatic development and sleeve for electrostatic development
08/03/1999US5932386 Non-contact hot fusing toner
08/03/1999US5931306 Gas current classifier and process for producing toner
08/03/1999CA2124490C Processes for the preparation of developer compositions
07/1999
07/29/1999WO1999038051A1 Improved carrier materials
07/28/1999EP0932084A1 Decoloring method of decolorizable image forming material
07/28/1999EP0932083A2 Coating composition for electrifying members and electrophotographic carrier
07/28/1999EP0931280A1 Electrophotographic carrier compositions having improved life
07/28/1999EP0693191B1 Lithium ferrite carrier
07/27/1999US5930568 Electrophotographic image forming apparatus
07/27/1999US5929139 Method for production of microfine colored particles and electrophotographic toner, using the particles
07/27/1999US5928832 Aggregation latex; separation of tones; slurring with cleavage surfactant
07/27/1999US5928831 Preparing coloring resin solution containing a binder resin, a colorant and a non-aqueous organic solvent, forming an oil-in-water emulsion by adding the coloring resin solution to an aqueous medium under reduced pressure, desolventizing