Patents for G03G 9 - Developers (22,748)
10/1991
10/22/1991US5059504 Carrier for developer
10/19/1991CA2040640A1 Liquid electrophotographic toner with acid containing polyester resins
10/17/1991WO1991015811A1 Glass composite magnetic carrier particles
10/16/1991EP0452209A1 Magnetic toner
10/16/1991CN1055432A 磁性调色剂 Magnetic toner
10/15/1991US5057596 Crosslinked polyester resin from trihydric alcohol
10/15/1991US5057392 With amorphous polyester catalytically crosslinked to novolak resin; storage stability, workability
10/15/1991CA1290892C Process for preparing particles having monodisperse particle size
10/09/1991EP0450417A1 Toner for electrostatography
10/08/1991US5055619 Charge contol agents for electrophotographic toners; developers
10/08/1991US5055370 Image forming resin particles for liquid developer for printing plate
10/08/1991US5055369 Resin grains prepared from a monofunctional monomer and a macromonomer having one terminal double bond
10/05/1991WO1991015813A1 Electrographic gravure printing system
10/05/1991CA2054711A1 Electrographic gravure printing system
10/03/1991WO1991014974A1 A liquid color toner composition
10/02/1991EP0449541A1 Two-component developer for developing electrostatic images
10/02/1991EP0449326A1 Magnetic toner
10/02/1991EP0449323A1 Process for producing toner for developing electrostatic image and apparatus system therefor
10/02/1991EP0448946A2 Electrically conductive stannic oxide
10/01/1991US5053821 Electrophotographic image forming apparatus using photoconductive toner
10/01/1991US5053307 Process for preparing high gloss electrostatic liquid developers
10/01/1991US5053306 Toner particles; adapted for electrophoretic nonpolar liquid; dispersing thermoplastic resin, colorants, charge director com pound
10/01/1991US5053305 Composition and method for developing electrostatic latent images
09/1991
09/26/1991DE4109161A1 Developing latent electrostatic image - controlling amt. of developer consisting of carrier and toner by pressure of rigid cylindrical magnetic rod
09/25/1991EP0448305A1 A carrier and a production method thereof for developing an electrostatic image
09/25/1991EP0448030A1 Resin coated carriers for electrostatic image development and the method of preparing the same
09/25/1991CN1054855A Carbon brush for miniature motors and method of making same
09/24/1991US5051331 Development of latent images a binder and an olefin copolymer
09/24/1991US5051330 Fluorinated onium salts as toner electrostatic transfer agents and charge control agents
09/18/1991EP0447153A1 Carrier for developer
09/18/1991EP0447078A2 Method of electrophotographically manufacturing a luminescent screen assembly for a CRT
09/18/1991EP0447045A1 Method of preparing micro capsules
09/18/1991EP0446748A2 Use of perylenedyes for the preparation of write, print or copying materials
09/18/1991CN1054675A Salts of acid-containing ab diblock copolymers as charge directors for positive-working electrostatic liquid developers
09/18/1991CN1014001B Improved toner for use in compositions for developing latent electro-staticimages, method of making the same, and liquid composition using the improved to ner
09/17/1991US5049646 Methine dyes
09/17/1991US5049471 Magnetic brush development process
09/17/1991US5049469 Toner image pressure transfer method and toner useful therefor
09/17/1991US5049468 Liquid developers for electrostatic photography
09/17/1991US5049467 Toner for use in the development of electrostatic latent images
09/17/1991CA1288993C Process for producing toners for use in electrophotography
09/11/1991EP0445986A1 Non-magnetic one-component developer and development process
09/11/1991EP0445767A2 Toner and production thereof
09/11/1991EP0445752A2 Salts of acid-containing AB diblock copolymers as charge directors for positive-working electrostatic liquid developers
09/11/1991EP0445751A2 Acid containing A-B block copolymers as grinding aids in liquid electrostatic developer preparation
09/10/1991US5047307 Toner for use in compositions for developing latent electrostatic images, method of making the same, and liquid composition using the improved toner
09/10/1991US5047306 Comprising zwitterion and ionic compounds conjugated to a polymer insoluble in carrier liquid; electrostatic copiers
09/10/1991US5047305 Electrostatic-image developing polyester toner with release agent
09/08/1991CA2037635A1 Toner and production therof
09/08/1991CA2036697A1 Salts of acid-containing ab diblock copolymers as charge directors for positive working electrostatic liquid developers
09/08/1991CA2036696A1 Acid-containing a-b block copolymers as grinding aids in liquid electrostatic developer preparations
09/04/1991EP0444870A2 Receptor sheet for a toner developed electrostatic imaging process
09/03/1991US5045428 Encapsulated toner compositions and processes thereof
09/03/1991US5045425 Salt of trivalent metal and aromatic carboxylic acid, aluminum diisopropyl salicylate
09/03/1991US5045423 Distearyldimethylammoniyum sulfite
09/03/1991US5045422 Core-shell polymers, fluoropolymer core, pressure fixing, electrography
09/03/1991US5045420 Color image forming method and particulate developer for developing electrostatic latent image
08/1991
08/29/1991DE4006044A1 Halide-doped tin (IV) oxide - used as electroconductive filler or pigment in e.g. plastics, lacquers, paints and paper, etc.
08/28/1991EP0443266A1 Color electrophotography for high quality half-tone images
08/28/1991EP0420855A4 Electrostatic method for multicolor imaging from a single toner bath
08/27/1991US5043241 Liquid developer for electrostatic photography
08/27/1991US5043240 Latent images
08/27/1991US5043239 Negatively chargeable developer and image forming method
08/21/1991EP0442598A2 Polymerization
08/21/1991EP0442105A1 Electrostatographic toner particles containing monomeric ester-containing quaternary ammonium salt charge agents
08/21/1991EP0442022A2 Method of forming ferrite coatings
08/21/1991EP0441950A1 Aqueous dielectric coating compositions and method of producing coatings
08/20/1991US5041625 Thermal stability
08/20/1991US5041352 Liquid developer for electrostatic photography
08/20/1991US5041351 One component developer for developing electrostatic image and image forming method
08/14/1991EP0441427A1 Process for preparing a fluorine-doped tin oxide powder
08/14/1991EP0441426A1 Toner particles having a coating of particles consisting of fluorine-doped tin oxide
08/14/1991EP0441255A2 Dicyanoimidazole compound derivative, magenta toner, colored resin, colored molded resin member and color filter incorporating it
08/14/1991EP0441127A1 Polyolefinic resin-coated carrier with irregular surface
08/14/1991EP0441017A1 Methods of using liquid toner dispersions having enhanced colored particle mobility
08/14/1991EP0441016A1 Improved charge control agent combination for liquid dispersions and methods of use thereof
08/14/1991CN1053849A Metal salts of beta-diketones as charging adjuvants for electrostatic liquid developers
08/14/1991CN1053848A Organometallic compounds as mottle prevention additives in liquid electrostatic developers
08/13/1991US5039773 Toner and developer compositions with thermotropic liquid crystalline polymers
08/13/1991US5039587 Abrasion resistance
08/07/1991EP0440435A2 Liquid developer for electrostatic photography
08/07/1991CN1053620A Continuous process for preparing resin particles in liquid
08/06/1991US5037717 Prevents occurance of decreased image density or increased fog
08/06/1991US5037716 Encapsulated toners and processes thereof
08/06/1991US5037715 Resins for toner of electrophotography and method for manufacturing the same
07/1991
07/31/1991EP0439367A2 Magnetic toner particles containing iron as the main component and process for producing the same
07/31/1991EP0438894A1 Liquid electrophotographic toner
07/31/1991EP0438746A1 Developer for electrostatic electrophotography
07/31/1991EP0438697A1 Coated carrier particles for electrographic developers
07/30/1991US5035973 Image forming method and apparatus therefor
07/30/1991US5035972 AB diblock copolymers as charge directors for negative electrostatic liquid developer
07/30/1991US5035971 Latex particles, dispersion stabilizer is acid group endcapped addition polymer
07/30/1991US5035970 Encapsulated toner compositions and processes thereof
07/30/1991US5035748 Storage-stable inorganic pigments containing specific polyorganosiloxanes with long chain aryl and/or alkyl groups
07/24/1991EP0438269A1 Toner composition for electrophotography
07/24/1991EP0438248A2 Preparation process of toner
07/24/1991EP0438245A2 Non-magnetic one-component developer
07/24/1991EP0438181A2 Electrostatic image developing toner and fixing method
07/23/1991US5034778 Background cleaning system for liquid developer imaging apparatus
07/23/1991US5034300 Improving the electrification build-up properties and chargeability of a toner; dry development; copiers; durability; antifogging agents