Patents
Sitemap › G03 - Photography; Cinematography; Analogous techniques using waves other than optical waves; Electrography; Holography › G03G - Electrography; Electrophotography; Magnetography › G03G 9 - Developers
Patents for G03G 9 - Developers (22,748)
10/1989
10/31/1989US4877708 Core material containing chlorinated hydrocarbon and resin shell
10/31/1989US4877707 Resin particles, magnetite, release fluid; permanent crease resistant images
10/31/1989US4877706 Single component cold pressure fixable encapsulated toner compositions
10/31/1989US4877704 Process for developing latent electrostatic image using toner containing polyester resin
10/31/1989US4877699 Electrophotographic luminescent amplification process
10/31/1989US4877451 Water solvent and hydrophilic porous silica particles in which dyes are covalently bonded to surface of with silane coupling agents
10/25/1989CN1036645A Magnetic palette agent
10/24/1989US4876172 Exposing to actinic radiation,transferring tacky particles to image receiver sheets; photodegradation
10/24/1989US4876169 Toner compositions with release additives therein
10/18/1989EP0336963A1 Continuous method of treating a polymer reaction mixture
10/17/1989US4874683 Nonaqueous solvent containing toner particles comprising colorant, polymer, thermoplastic resin; specific size distribution
10/11/1989EP0336386A2 Monofunctional amines as adjuvant for liquid electrostatic developers
10/11/1989CN1036275A Magnetic property toner for electrophotography
10/10/1989US4873551 Developing apparatus using magnetic carrier under AC field
10/10/1989US4873540 Image recording method
10/10/1989US4873185 One-component toner for dry electrophotography containing metal complex as charge control agent
10/10/1989US4873166 Liquid developer for electrophotography
10/10/1989US4873102 Swelling porous polymer in aqueous solution of strong acid salt of iron, cobalt, or nickel, and basification
10/05/1989WO1989009433A1 Electrostatic method for multicolor imaging from a single toner bath
10/05/1989WO1989009432A1 Charge director composition for liquid toner formulations
10/04/1989EP0335676A2 Developer for developing electrostatic image and image forming method
10/04/1989EP0334840A1 Blue colouring agent for electrophotographic recording process with positive regulating properties.
10/03/1989US4871639 Carrier for electrophotographic developer
10/03/1989US4871616 Surface-treated poly methyl silsequoxane powder
09/1989
09/27/1989EP0334126A2 Polymeric particles, preparation by colloidally stabilized suspension process, encapsulated toner particles containing them.
09/27/1989EP0334099A2 Image forming method
09/27/1989EP0334095A2 Method of preparing polymeric powders
09/26/1989US4869992 Tough and brittle polymers
09/26/1989US4869991 Conductance stability
09/26/1989US4869990 Toner for use in electrostatography
09/26/1989US4869989 Charge control agents
09/26/1989US4869981 Electrostatic method for multicolor imaging from a single toner bath
09/26/1989CA1261667A1 Carrier for use in electrophotographic developers
09/26/1989CA1261188A1 Heat-fixable electrophotographic toner composition
09/20/1989EP0333498A2 Process for preparation of a gelled polyester for toner
09/20/1989EP0333497A2 Liquid developer for electrostatic photography
09/19/1989US4868259 Electrographic polymers
09/19/1989US4868086 Electrographic toner and process for preparation thereof
09/19/1989US4868085 Developer for developing electrostatic images and process for forming images
09/19/1989US4868084 Developer for developing electrostatic latent image and image forming method
09/19/1989US4868083 Developer carrier and process for producing the same
09/19/1989US4868082 Charge control, electrostatics
09/19/1989US4868078 Electrography
09/13/1989EP0332428A2 Image forming method
09/13/1989EP0332212A2 Static latent image development toner
09/12/1989US4866158 Polyester resin for toner and process for its production
09/12/1989US4865937 Precipitation with polymer non-solvent and dispersant melt com pounding with polymeric binder
09/12/1989US4865936 Charging developer with polarity opposite to that of latent el ectrostatic image
09/12/1989CA1259217A1 Toner compositions with annonium sulfate charge enhancing additives
09/06/1989EP0331426A2 Image forming method and image forming apparatus
09/06/1989EP0331425A2 Image forming method and image forming apparatus
09/06/1989EP0331393A2 Magnetic toner for developing electrostatic image
09/06/1989EP0331015A2 Magnetic toner
09/06/1989CN1035367A Process for preparing liquid staticelectricity development agent
09/06/1989CN1035366A Charge guiding agent with glyceride as liquid staticelectricity development agent
09/06/1989CN1035365A Improved liquid staticelectricity development agent of modifying image antifraying property
09/05/1989US4864331 Offset electrostatic imaging process
09/05/1989US4863825 Low temperature electrophotographic toner composition comprising nonlinear polyester resin
09/05/1989US4863824 Toner for developing electrostatic latent image
08/1989
08/30/1989EP0330498A2 Non-magnetic toner
08/30/1989EP0330487A2 Color toner composition
08/30/1989EP0330287A2 Toner for developping statically charged images and process for preparation thereof
08/29/1989US4861694 Process for producing carriers for developer
08/29/1989US4861693 Carrier for electrophotography
08/22/1989US4860050 Developing replenisher material for use in image forming device
08/22/1989US4859560 Toner for use in electrophotography
08/22/1989US4859559 Hydroxycarboxylic acids as adjuvants for negative liquid electrostatic developers
08/22/1989US4859558 Composition with fatty acid bisamide powder developer
08/22/1989US4859550 Smear resistant magnetic image character recognition processes
08/16/1989EP0328387A2 Monocomponent toner powder having strong preference for charging positively
08/16/1989EP0327923A1 Black iron oxide pigments able to resist oxidation or heat, process for preparing them and their use
08/16/1989EP0139020B1 Electrophotography method
08/15/1989US4857433 Electrophotographic toner for high speed electrophotography
08/15/1989US4857432 Toner for developing electrostatic charge image
08/09/1989EP0327409A2 Developer composition
08/08/1989US4855396 Polyesters containing covalently bound quaternary phosphonium salts
08/08/1989US4855209 Low melting encapsulated toners
08/08/1989US4855208 Toner for developing electrostatic latent images
08/08/1989US4855207 Developer for electrophotography
08/08/1989US4855206 Rare earth containing magnetic carrier particles
08/08/1989US4855205 Spinel and magnetoplumbite phases; for electrostatic printing
08/08/1989US4855204 Hydrophobic
08/01/1989US4853364 Developer composition comprising phenol resins and vinylic or acrylic resins
08/01/1989US4853311 Fusible electrostatically attractable toner
07/1989
07/26/1989EP0325172A2 Water-insoluble black pigment
07/26/1989CN2041824U Film transmitting dark box for laser phototypesetter
07/25/1989US4851561 Quaternary ammonium salts
07/25/1989US4851318 Polymerization of core monomers and oil and water soluble shell monomers
07/25/1989US4851316 Liquid toner compositions with amino acids and polyvalent metal complexes as charge control additives
07/19/1989EP0324529A2 Resinous microparticles useful in powdery toner for electrophotography
07/18/1989US4849495 Polyester resin from tri- or higher polycarboxylic acid for toner and process for its production
07/18/1989US4849318 Processes for producing electrophotographic toner
07/18/1989US4849317 Magnetic brush developer for electrophotography
07/18/1989US4849316 Heat fixing electrophotographic toner containing olefin wax
07/18/1989US4849306 Dry toners containing methinefanal pigments
07/13/1989DE3843998A1 Magnetischer toner Magnetic toner
07/12/1989EP0323513A1 Toner for electrophotography
07/12/1989EP0323512A1 Toner for electrophotography
07/11/1989US4847177 Fanal pigments of closed-ring dry toners containing indamine-and diphenylmethane dyestuffs
07/11/1989US4847176 Binder-type carrier
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