Patents for G03G 9 - Developers (22,748)
03/1989
03/07/1989USRE32883 Quarternary ammonium sulfate or sulfonate charge control agents for electrophotographic developers compatible with viton fuser
03/07/1989US4810612 Graft modified polyolefin
03/07/1989US4810611 Electroconductive copper iodide
03/07/1989US4810610 Conductive single component cold pressure fixable magnetic toner compositions
03/07/1989US4810402 Homogeneous mixture of required cations with thermally decomposable anion
03/01/1989EP0305118A2 Developer compositions
02/1989
02/22/1989EP0303918A2 Carrier for copying systems and manufacturing process thereof
02/21/1989US4806635 New cross-linking system for making toners that are useful in electrophotography using polyfunctional azide
02/21/1989US4806284 Charge transfer compounds
02/21/1989US4806283 Quaternary ammonium salts
02/15/1989EP0303211A2 Stabilizers for electrostatic liquid developers
02/15/1989EP0302939A1 Toner for developing electrostatically charged image
02/14/1989US4804622 Toner composition for electrophotography
02/14/1989US4804610 Stirring mixture of monomer, polymerization inhibitor and colorant, adding promoter
02/14/1989US4804609 To remove talc from photoreceptor surfaces
02/14/1989US4804601 Electrophotographic and electrographic imaging processes
02/08/1989EP0302686A2 Developer compositions
02/08/1989EP0302425A2 Liquid electrostatic developers containing modified resin particles
02/08/1989EP0302401A1 Pyridone dyes, process for their preparation and their use
02/07/1989US4803144 Electrophotographic encapsulated pressure fixable toner particles with electroconductive powder coating
02/07/1989US4803143 Iron powder, polymeric binder, wax, dye or colored pigment.
02/07/1989US4803142 Mixture of iorn and iron fluoride
02/07/1989US4803017 Quaternary ammonium salts
02/07/1989US4802977 Process for size separating toner particles
01/1989
01/26/1989WO1989000719A1 Toner for electrophotography
01/26/1989WO1989000718A1 Toner for electrophotography
01/26/1989WO1989000717A1 Toner for electrophotography
01/24/1989CA1249392A1 Aqueous suspension polymerization process
01/24/1989CA1249326A1 Multicolor images using an electron beam
01/17/1989US4798778 Liquid electrostatic developers containing modified resin particles
01/11/1989EP0298388A2 A toner for developing electrostatic latent images and a method of preparing the toner
01/11/1989EP0298279A2 Electrostatographic toner and developer compositions
01/11/1989EP0298173A2 Resin compositions for electrophotographic toners
01/10/1989US4797344 Molecular weight, cores, triboelectric charging
01/10/1989US4797342 Processes for the preparation of liquid developers with low vapor pressure components
01/10/1989US4797341 Toners dispersed in dielectric aliphatic hydrocarbon or halogenated hydrocarbon
01/10/1989US4797340 Dry electrophotographic toner comprising graft copolymer
01/10/1989US4797339 Multilayer, images, colors
01/10/1989US4797331 Magneto-optical recording material
01/10/1989CA1248390A1 Electrostatographic suspension developer and process for the production thereof
01/10/1989CA1248389A1 Self-fixing liquid electrographic developers containing polyester toners and dispersed wax and processes for using the same
01/04/1989EP0297839A2 A process for producing toners for use in electrophotography
01/03/1989US4795690 3,3*5,5*-tetramethyl-4,4*-dihydroxy-diphenyl sulfone
01/03/1989US4795689 Electrostatic image developing toner for use in heat-roller fixing
12/1988
12/28/1988CA1247435A Toners treated with polymeric quaternary ammonium salts and slip agent and process
12/28/1988CA1247434A Polymeric charge enhancing additives
12/27/1988US4794651 Pigment dispersion in thermoplastic polymer having integral projecting fibers; nonpolar liquids
12/27/1988US4794066 Dispersion of pigment in water insoluble carrier into thermoplastic resin
12/27/1988US4794065 Pimply surface
12/21/1988EP0296072A2 Electrostatic magnetic carrier particles
12/21/1988EP0295624A2 Quaternaryammonium hydroxide as adjuvant for liquid electrostatic developers
12/20/1988US4792513 Positively charged toner compositions
12/13/1988US4791041 Fluorinated alkyl (meth)arylate copolymer overcoatings; antisoilants; antisticking agents
12/06/1988US4789617 Production of toner through polymerization
12/06/1988US4789616 Processes for liquid developer compositions with high transfer efficiencies
12/06/1988US4789615 Toner compositions with nicotinate charge enhancing additives
12/06/1988US4789614 Toners and developers containing benzyldimethylalkylammonium charge-control agents
12/06/1988US4789613 Electrostatic image developing toner with high dielectric material
11/1988
11/30/1988EP0293009A2 Fluidity improver for positively-charging resin powder
11/30/1988EP0292898A2 Polyamines as adjuvant for liquid electrostatic developers
11/29/1988US4788284 Cyan dyes for photography, printing
11/29/1988US4788122 Production of polyester and elecrophotographic toner containing the same
11/29/1988US4788121 Electrostatography
11/29/1988CA1245500A1 Two-component type dry developer
11/23/1988EP0292323A2 Imaging method
11/23/1988EP0291930A2 A toner for developing electrostatic charge image
11/22/1988US4786575 Pigment for electrophotographic recording processes
11/22/1988US4786430 Glassy boron matrix
11/17/1988EP0291296A2 Method for developing an electrostatic latent image
11/17/1988EP0291059A2 Process of production for polyester resin for toner
11/17/1988EP0290936A1 Liquid electrostatic developers composed of blended resins
11/15/1988US4784930 Electrostatographic encapsulated toner
11/15/1988US4784333 Fines, classification
11/09/1988EP0289663A1 Magnetic carrier particles
11/09/1988EP0289624A1 Colored fine spherical particles, process for their preparation, and their uses
11/08/1988US4783389 Plasticizing and liquefying thermoplastic resin, cooling, and reducing particle size by liquid jet interaction
11/08/1988US4783388 Quaternaryammonium hydroxide as adjuvant for liquid electrostatic developers
11/02/1988EP0289122A1 Unsaturated derivatives of methylene dianiline
11/02/1988EP0288693A2 Preparation method for a highly dispersed metallic oxide, having its surface modified by an ammonium-functional organopolysiloxane, as a charging agent for toners
11/01/1988US4782001 Process for producing toner for developing electrostatic images and apparatus therefor
10/1988
10/26/1988EP0288400A1 Substituted isoquinolines
10/25/1988US4780553 Electrophotographic toner and compounds useful for the toner
10/25/1988US4780390 Core containing colorant and polymer binder in silicone oil and shell
10/25/1988US4780389 Nonpolar liquid, thermoplastic resin with colorant and salt dispersed therein, and ionic or zwitterionic compound
10/25/1988US4780388 Polyamines as adjuvant for liquid electrostatic developers
10/19/1988EP0287218A1 Method of making photoconductive particles
10/18/1988US4778742 Colored toner compositions
10/18/1988CA1243416A1 Method of imaging resist patterns of high resolution on the surface of a conductor
10/12/1988EP0285782A1 Dry toners containing methine fanal pigments
10/11/1988US4777105 Magenta colorant for electrophotographic recording processes
10/11/1988US4777104 Electrophotographic toner made by polymerizing monomers in solution in presence of colorant
10/06/1988DE3809662A1 Toner, method for producing three-dimensional toner particles and their use in developers
10/05/1988EP0285140A2 Process for producing toner for developing electrostatic images
10/04/1988US4775760 Dyes, tones, or color bodies
09/1988
09/28/1988EP0284034A2 Improved process for preparation of liquid electrostatic developers
09/28/1988EP0284000A2 Quaternary ammonium salt and electrophotographic toner
09/27/1988US4774160 Toner compositions with amorphous ternary copolycarbonates
09/22/1988WO1988007225A1 Toner particles for electrophotographic copying and processes for their preparation
09/21/1988EP0282964A2 Hydroxycarboxylic acids as adjuvants for negative liquid electrostatic developers
09/21/1988EP0282740A2 Electrophotographic toner and developer compositions