Patents for G03G 9 - Developers (22,748)
07/1980
07/22/1980CA1082025A1 Coated carrier particles with magnitude of triboelectric charge controlled and method of making same
07/15/1980US4212837 Method and apparatus for forming spherical particles of thermoplastic material
07/09/1980EP0013090A1 Liquid developers for electrostatic images and method of producing them
07/09/1980EP0013009A1 Magnetic toner and ink
07/01/1980US4210448 One-component magnetic toner, corona
07/01/1980CA1080534A1 Carrier particle with core of metal, sand or glass and coating of telomer of tetrafluoroethylene
07/01/1980CA1080533A1 Two-stage, in-situ polymerization process for producing coloured toner particles
06/1980
06/24/1980US4209550 Fusion of charged polymer to metallic core
06/17/1980CA1079562A1 Process for producing toner powder from a dispersion of thermoplastic resin and hydrophobic silica
06/11/1980EP0011688A1 Electrophotographical developer material and its use
06/03/1980US4206247 Electrophotographic process
06/03/1980US4206065 Electrostatographic developer compositions using terpolymer coated carrier
06/03/1980US4206064 Negatively charged toner for developing electrostatic images containing metal complex of salicyclic acid compound as charge control agent
05/1980
05/27/1980US4205320 Wet type direct image recording method
05/14/1980EP0010801A1 Composition of matter and method for electrostatic image development
05/14/1980EP0010732A1 Magnetic toner powder
05/13/1980US4202785 Polyesterionomers having utility in liquid electrographic developer compositions
05/13/1980CA1077325A1 Toner and/or carrier consisting of polymer with silylated, active hydrogen containing constituents
05/13/1980CA1077324A1 Carrier/developer composition containing styrene alkyl acrylate or methacrylate polymer with acylated, pendant hydroxyl or amino groups
05/06/1980US4201685 Liquid developers for electrostatic images comprising an aliphatic hydrocarbon, binder, polymeric carbamate and a cresol
04/1980
04/30/1980EP0010450A1 Sensitized electrophoretic migration imaging dispersion and process
04/29/1980CA1076406A1 Production of ferrite electrostatographic carrier materials having improved properties
04/22/1980US4199614 Coating silicaceous particles with elemental metal and heat treated to form a ferromagnetic particle
04/22/1980CA1075953A1 Electrophoretic developer containing metal alkyl sulphonate surfactant and toner suspended in carrier liquid
04/15/1980US4198477 Fluorinated compound
04/08/1980US4197211 Liquid electrophotographic developers
04/08/1980CA1075300A1 Offset printing
03/1980
03/25/1980US4195303 Magnetic printing process and apparatus
03/25/1980CA1074167A1 Developer with toner and carrier particles of the same composition containing a polymer
03/25/1980CA1074166A1 Developer containing a resin and diazo colorant c-1-solvent yellow 29
03/25/1980CA1074165A1 Yellow developer containing resin and mono azo dye colour index yellow 97
03/18/1980US4193794 Liquid developers for electrostatic images
03/18/1980CA1073726A1 Developer composition containing styrene alkyl acrylate or methacrylate polymer with chemically altered aromatic groups
03/11/1980US4192902 Dispersion of pigment, resin, solvent and surfactant
03/04/1980US4191961 Magnetic printing process and apparatus
03/04/1980US4191566 Electrophotographic imaging process using anthraquinoid black pigments or metal complexes
03/04/1980CA1072801A2 Electrophotographic carrier of ferromagnetic material coated with copolymer containing electrically conductive particles
02/1980
02/19/1980US4189390 One-component magnetic developer powder for developing electrostatic latent image and method of making same
02/05/1980US4187329 Electrophotographic developing process and compositions for use therein
02/05/1980US4187194 Encapsulation process
02/05/1980CA1071003A1 Toner containing randomly dispersed network of fibers of fine powder polytetrafluoroethylene
01/1980
01/29/1980US4186003 Hybrid fix system incorporating photodegradable polymers
01/29/1980US4185916 Composite developer particles and apparatus for using same
01/15/1980US4183818 Color electrophotographic liquid developer of colored particles and zinc oxide
01/09/1980EP0006617A2 Magnetic toner
01/01/1980US4181620 Resin coated pigment particles, nonaqueous thermoplastic graft polymer
12/1979
12/25/1979CA1068461A Magnetite electrostatographic carriers
12/18/1979US4179388 Electrostatographic developer with smooth surfaced carrier
12/12/1979EP0005952A1 Electrostatographic toner containing an alkyl pyridinium compound and imaging method
12/11/1979CA1067742A1 Toner consisting of a resin, colorant and a triazine derivative
12/11/1979CA1067741A1 Toner comprised of an aminolyzed polymer of styrene alkylacrylate or methacrylate bonded to a dye
12/04/1979CA1067326A1 Carrier powder with core of metal, sand or glass and a coating of a perfluoro compound
11/1979
11/28/1979EP0005652A2 Electrophoretic migration imaging process and dispersion
11/27/1979US4176078 Field dependent toner having chrome complex coated magnetic particles
11/27/1979US4175962 Electrostatographic toner material
11/14/1979EP0005334A1 Electrophotographic toner composition
10/1979
10/30/1979US4172722 Electrostatic copying method for forming multiple copies
10/30/1979CA1065176A1 Pressure-fixable developing powder with binder containing a thermoplastic component and a nonvolatile component
10/17/1979EP0004748A2 Electrostatographic developer mixture and imaging process
10/16/1979US4171275 Polymers of acrylic acid salts or their sulfoalkyl esters, addition polymers containing phosphonate moiety, and halogenated polymer
10/16/1979US4171274 Alteration of tesselated magnetic particles by fracture
10/16/1979CA1064335A1 Process for developing electrographic images by causing electrical breakdown in the developer
10/16/1979CA1064304A1 Method for producing improved electrographic developer
10/09/1979US4170687 Planographic printing plate for dry printing
10/09/1979US4170563 Copolymer of a vinyl phsophonic acid or derivative thereof in a dielectric carrier
10/03/1979EP0004383A2 Process for the production of a resist by a magnetic printing process, a dry particulate resist composition obtained therefrom and apparatus for manufacturing a circuit board
09/1979
09/25/1979CA1062946A1 Electrostatographic pressure-fixable toner composition
09/25/1979CA1062945A1 Imaging system
09/18/1979CA1062532A1 Fixing of toner images on thermo-adhesive layers
09/11/1979US4167411 Method for making reproductions of a graphic original from a high output electrostatic reproduction equipment
09/11/1979CA1062069A1 Liquid electrographic developer composition and process
09/11/1979CA1062068A1 Dry electrophotographic developer
08/1979
08/28/1979US4165985 Photoconductive, heterocyclic-substituted isoquinoline colorants
08/21/1979CA1060696A1 Electrographic toner and developer composition
08/14/1979US4164476 Developer for latent electrostatic image and process for preparation thereof
07/1979
07/24/1979US4162226 Electrostatic toner with an antiplasticizer
07/24/1979CA1058938A1 Electrostatographic developers
07/24/1979CA1058937A1 X-ray sensitive elements and process of forming an image therefrom
07/17/1979US4161454 Coating magnetite with polyacid
07/17/1979US4161453 Colorant coated by an allyl alcohol-vinylaromatic copolymer and by a methacrylate copolymer; liquid
07/03/1979CA1057594A1 P-xylylene vapor phase polymerization coating of electrostatographic particles
07/03/1979CA1057553A1 Process for fixing a toner image
06/1979
06/26/1979CA1057105A1 Developing and stripping of binder-containing presensitized coatings
06/26/1979CA1057104A1 Dispersion for applying solid particles on surfaces by an electrophotographic process
06/19/1979US4158634 Particles of thermoplastic polymer, and process of making the same
06/12/1979US4157974 Pigment, copolymer of styrene or vinyltoluene and an acrylic ester in an aliphatic hydrocarbon; dispersing, grinding, cooling
06/12/1979US4157973 Copolymer compositions and method of preparation
06/12/1979CA1056188A1 Rinsing water for rinsing photosensitive resin plate after exposure and its use
06/05/1979CA1055762A1 Developer compositions
06/05/1979CA1055761A1 Developer material
05/1979
05/30/1979EP0002119A1 Microcapsular electroscopic marking particles
05/29/1979US4156607 Carrier coated with acyl modified styrene copolymer, used in electrostatic imaging process
05/22/1979US4156034 Liquid developer for electro photography
05/22/1979US4155883 Curing, nonadhesive toner particles
05/22/1979US4155862 Oxidation aging resistance
05/22/1979CA1054838A1 Non-filming dual additive developer
05/22/1979CA1054837A1 Spherical, void-free particle formation in spray-dried ferrites
05/16/1979EP0001785A1 Classified electrostatographic toner material, developing mixture and developing process using this mixture
05/15/1979CA1054421A1 Electrographic developing composition and process
05/08/1979CA1053957A1 Toner compositions