Patents for G03G 9 - Developers (22,748)
01/1994
01/25/1994US5281505 Toner composition
01/25/1994US5281502 Charging imaging member in imaging apparatus, creating latent image, developing low potential areas with toner comprising polymer resin, pigment, and charge control agent, developing high potential areas with black developer, transferring
01/20/1994DE4323806A1 Electrostatic developer with core-shell carrier coated with silicone - contg. urethane bond, giving stable negative charging property under wide range of environmental conditions
01/19/1994EP0579284A2 Novel epoxy resins and electrostatographic toner containing the same as a binder
01/19/1994EP0579207A1 Charge control agent and positively chargeable toner for developing electrostatic images
01/19/1994EP0578695A1 Electrophotographic developer composition.
01/18/1994US5279915 Toner composition for electrophotography
01/18/1994CA1326154C Magnetic toner for developing electrostatic images
01/13/1994DE4320742A1 Electrophotographic toner carrier with fluorinated polyimide coating - with good charging property, adhesion, abrasion resistance and solubility in polar solvent
01/12/1994EP0578093A2 Image forming method
01/12/1994EP0577688A1 Polymer blends.
01/11/1994US5278315 Carbazole compounds
01/11/1994US5278020 Polymerizing the latex to form olefinic resin particles, coating the surface, homogenizing at high shear to form nonpolar
01/11/1994US5278019 Distearyl dimethyl ammonium methyl sulfate as charge enhancing additive
01/11/1994US5278018 Comprising a silane treated magnetite particles
01/11/1994US5278017 Charge controlling resin comprising copolymer of oil-soluble monomer and water-soluble sodium styrenesulfonate; toner including binding resin with charge controlling resin dispersed therein; preparation by radical polymerization
01/11/1994US5278016 Toner composition comprising halogenated surface
01/05/1994EP0576893A1 Developer for developing latent electrostatic images and method of forming images by using the developer
01/04/1994US5276127 Crosslinked polyester from polyfunctional acids and alcohols
01/04/1994US5275906 Method of forming a pattern using a liquid color toner composition
01/04/1994US5275905 Magenta toner compositions
01/04/1994US5275903 Toners with liquid crystalline resins, colors and plasticizing
01/04/1994US5275902 Developer composition for electrophotography
01/04/1994US5275901 Developer for electrophotography
01/04/1994US5275900 Reaction product of a hydroxybenzene acid and a base with a mixture of a metal ion and a hydroxyphenol
12/1993
12/29/1993EP0576172A2 Toner compositions containing complexed ionomeric materials
12/29/1993EP0575891A2 Toner for developing electrostatic image and image forming method
12/29/1993EP0575805A1 Charge controlling agent composition and electrophotographic toner
12/29/1993EP0139020B2 Electrophotography method
12/28/1993US5274184 Aryl sulphide, aryl sulphoxide and aryl sulphone compounds
12/28/1993US5273854 Liquid composition for developing electrophotography and process for producing the same
12/28/1993US5273853 Black photoconductive toner having sensitivity to light in the wavelength range of semiconductor lasers
12/22/1993EP0575159A2 Image-forming method and apparatus
12/22/1993EP0574853A2 Image forming method
12/21/1993US5272212 Colored spherical fine particles, process for production thereof and applications thereof
12/21/1993US5272040 Toner for developing electrostatic latent images
12/21/1993US5272039 Preparation of magnetic carrier particles
12/21/1993US5272038 Electrostatic image developing resin-coated carrier and method for producing the same
12/21/1993US5272037 Polyolefinic resin-coated uneven carrier
12/21/1993US5272034 Process for producing electrophotographic toner
12/21/1993US5272033 Method of forming visible images
12/15/1993EP0573933A1 Image forming method
12/15/1993EP0573762A2 Rhodamine derivatives
12/15/1993EP0573705A1 Toner resin composition and process for preparing same
12/14/1993US5270770 Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus
12/14/1993US5270445 Method of forming fine polymer particles and polymer-encapsulated particulates
12/14/1993US5270436 Polyester for electrophotography
12/14/1993US5270359 Uintaite-derived toners and printing inks
12/14/1993US5270144 Minute resin particles on toner surface
12/14/1993US5270143 Developer for developing electrostatic image, image forming method, electrophotographic apparatus, apparatus unit, and facsimile apparatus
12/14/1993US5269970 Electrically conductive tin-IV-oxide and method for production thereof
12/09/1993WO1993024866A1 Carrier for developing electrostatic image
12/08/1993EP0572896A2 Magnetic developer and recognition method of magnetic-ink character
12/08/1993EP0336963B1 Continuous method of treating a polymer reaction mixture
12/07/1993US5268709 Image forming apparatus
12/07/1993US5268249 Magnetic carrier particles
12/07/1993US5268248 Binder resin and a colorant
12/02/1993DE4217973A1 Electrophotographic colour toner with high brilliance and colour strength - contains binder and dyestuff of specified classes e.g. di:amino:anthraquinone, azo, pyridone, triazolo:pyridine, methine, indophenol, etc.
12/01/1993EP0572000A1 Grey scale monocomponent nonmagnetic development system
12/01/1993EP0571452A1 Liquid developer imaging system
11/1993
11/30/1993US5266458 Electrophotographic developer comprising silicon oil on its surface
11/30/1993US5266439 Emulsion polymerization, encapsulation
11/30/1993US5266438 Butadiene-styrene copolymer and crosslinking with peroxide
11/30/1993US5266437 Electrophotographic imaging forming method veins using toner containing complex fine particles
11/30/1993US5266435 Polyoxyalkylene ethers
11/30/1993US5266434 Electrophotographic toner composition
11/30/1993US5266433 Imidazole additive
11/30/1993US5266432 Polyesterether copolymers with silica
11/25/1993WO1993023795A1 Encapsulated magnetic particles, pigments and carbon black, compositions and methods related thereto
11/25/1993WO1993023442A1 Particulate covering material
11/24/1993EP0571301A2 Polymeric particles and a method of preparaing the same
11/24/1993EP0571083A1 Developer additive, toner and developer composition
11/24/1993EP0570886A1 Developer for developing latent electrostatic images and method of forming images by using the developer
11/24/1993EP0570679A1 Toner and method for manufacturing the same, and image forming apparatus using the toner
11/23/1993US5264553 Method of forming uniform polymer spheres, composite particles and polymer encapsulated particles
11/23/1993US5264315 Process for the continuous preparation of encapsulated toner
11/23/1993US5264314 Mixing resin monomer and polymerization initiator, curing agent, chain transfer and color, then crosslinking the suspension
11/23/1993US5264313 Lecithin is stqbilized by polyvinylpyrrolidone polymer; useful for forming electronstatic images
11/23/1993US5264311 Electrophotographic toner
11/18/1993EP0569966A1 Image forming method and image forming apparatus
11/18/1993DE4215394A1 New rhodamine cpds. with polymeric anion for high light fastness - used for dyeing polyacrylonitrile fibre or in ink, electrophotographic toner for fluorescent pigment
11/18/1993DE4215391A1 New rhodamine dyestuff cpds. for dyeing polyacrylonitrile fibre - useful for pigmenting plastics, ink or electrophotographic toner or as laser dyestuff, and contg. di:pyrido xanthene ring system, for high light fastness
11/16/1993US5262269 Polymerization of a monomer mixture with pigments
11/16/1993US5262268 Method of pigment dispersion in colored toner
11/16/1993US5262267 Hydrophobic silica powder, magnetic toner
11/16/1993US5262266 Electrography providing high quality images with little residue conductivity; copiers
11/16/1993US5262265 Resin composition for toners and a toner containing the same
11/16/1993US5262264 Four color toners for electrostatic latent image with naphthol dyes, disazo dyes, polychloro copper phthalocyanine dyes and isoindololinones or quinacridones
11/16/1993US5262259 Electrographic process for producing multicolored images in an electrostatic printer
11/10/1993EP0568724A2 Pneumatic pulverizer and process for producing toner
11/10/1993EP0568719A1 Magnetic materials
11/10/1993EP0548076A4 Solvation-based charge direction of liquid electrophotographic developer compositions
11/10/1993CN1078176A Pneumatic pulverizer and process for producing toner
11/09/1993US5260746 Imaging forming apparatus using polymeric toner particles
11/09/1993US5260160 Powdered agglomeration of magnetic powder and a resin free of metal complexes of azo and nigrosine dyes
11/09/1993US5260159 Developer for full color copy containing light-transmittable toner and resin-coated carrier having pores
11/09/1993US5260158 Photoconductive toner comprising a sensitizer dye
11/03/1993EP0568369A1 Electrophotographic liquid developer with charge director
11/03/1993EP0568309A2 Resin composition for electrophotographic toner
11/02/1993USH1247 Conductive developer compositions and processes thereof