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)
07/1990
07/03/1990US4939059 Electrophotographic developer for fixing roller process using polyester resin
07/03/1990CA1271075A1 Electrostatic recording dry toner
06/1990
06/30/1990CA2006217A1 Organic sulfur-containing compounds as adjuvants for positive electrostatic liquid developers
06/30/1990CA2006213A1 Bipolar liquid electrostatic developer
06/30/1990CA2006208A1 Aromatic nitrogen-containing compounds as adjuvants for electrostatic liquid developers
06/30/1990CA2006204A1 Phosphorous-containing compounds as adjuvant for positive electrostatic liquid developers
06/27/1990EP0375321A2 Toner composition for electrophotography
06/27/1990EP0374933A2 The use of high percent solids for improved liquid toner preparation
06/27/1990EP0374851A2 Magnetic toner
06/27/1990CN1043399A Device for continuously, mixing powder and process for producing toner for developing electrostatic image
06/26/1990US4937629 Composite image recording apparatus
06/26/1990US4937167 Encapsulation
06/26/1990US4937166 Polymer coated carrier particles for electrophotographic developers
06/26/1990US4937158 Nickel (II) salts as charging adjuvants for electrostatic liquid developers
06/26/1990US4937157 Toner and developer compositions with charge enhancing additives
06/23/1990CA2006215A1 Negative solid block toner
06/23/1990CA2006214A1 Positive solid block toner
06/23/1990CA2006209A1 Use of high percent solids for improved liquid toner preparation
06/20/1990EP0373879A2 Preparation process for toner polymer
06/20/1990EP0373776A2 Toner fluid dispersions, metallic images, and thermal mass transfer thereof
06/20/1990EP0373652A2 Method of heat-fixing toner image
06/20/1990EP0373580A2 A static image-developing carrier and a manufacturing method thereof
06/20/1990EP0373426A2 Inorganic pigments coated with polyorganosiloxane
06/19/1990US4935784 Developing apparatus using microcapsule developing agent and method thereof
06/19/1990US4935328 Monofunctional amines as adjuvant for liquid electrostatic developers
06/19/1990US4935327 Antifogging agent for electrophotography
06/19/1990US4935326 Electrophotographic carrier particles coated with polymer mixture
06/19/1990US4935325 Toner and image forming method using magnetic material with specific tap density and linseed oil absorption
06/19/1990US4935324 Imaging processes with cold pressure fixable toner compositions
06/13/1990EP0372958A2 Composite particle
06/13/1990EP0372764A2 Liquid electrophotographic toners
06/13/1990EP0372515A1 Device for continuously mixing powder and process for producing toner for developing electrostatic image
06/13/1990CA2005152A1 Inorganic pigments having improved properties
06/13/1990CA2003560A1 Toner fluid dispersions, metallic images, and thermal mass transfer thereof
06/12/1990US4933253 Electrophotographic developer comprising toner particles and acrylic polymer fine particles
06/12/1990US4933252 Toners
06/12/1990US4933251 Electrophotographic developer
06/12/1990US4933250 Magenta color toner for developing latent electrostatic images in color electrophotography
06/12/1990US4933249 Electrostatographic pressure fixing process using encapsulated toner particles
06/06/1990EP0371824A2 Toner
06/06/1990EP0371812A2 Toner composition
06/06/1990EP0371811A2 Process for preparation of polymer particles and toner particles
06/06/1990EP0371782A2 Anthraquinone compound, polymerizable dyestuff monomer derived therefrom and resin and color toner composition
06/06/1990EP0371735A2 Magnetic brush development process
06/06/1990EP0371734A2 Magnetic brush development process
06/06/1990EP0371360A2 Electrophotographic toners
06/05/1990US4931588 Compounds usable in a toner for developing electrostatic latent images
06/05/1990US4931375 Powdered electrostatic image developing toner
06/05/1990US4931374 Electrophotographic positive charging toner containing a copper phthalocyanine blue pigment
06/05/1990US4931370 Color toner composition for developing electrostatic images
06/02/1990CA2001960A1 Liquid electrophotographic toners
06/02/1990CA2001958A1 Liquid electrophotographic toner
06/01/1990CA2004107A1 Electrophotographic toners
05/1990
05/29/1990US4929528 Coated carrier for developer
05/29/1990CA2004011A1 Anthraquinone compound, polymerizable dyestuff monomer derived therefrom and resin, and color toner composition
05/29/1990CA1269560A1 Toner compositions containing complex ionophoric polymeric materials
05/23/1990EP0369492A2 Process of producing polyester for developer compositions in electrophotography
05/23/1990EP0369452A2 Resin for toner
05/23/1990EP0369443A2 Positively chargeable developer
05/22/1990US4927729 Electrography
05/22/1990US4927728 Carrier particles for use in a two-component dry-type developer
05/22/1990US4927727 Thermally assisted transfer of small electrostatographic toner particles
05/17/1990WO1989012257A3 Dual color imaging method and apparatus
05/15/1990US4925766 Liquid electrophotographic toner
05/15/1990US4925765 Negative solid block toner
05/15/1990US4925764 Positive solid block toner
05/15/1990US4925763 Developer for electrophotography containing ionomer resin
05/15/1990US4925762 Ferrite or iron-containing core, metal oxide layer formed from a gas phase reaction
05/09/1990EP0367265A2 Electrophotographic dry developer
05/09/1990EP0367162A2 Use of colourless ammonium and immonium compounds with a high level of fluoridisation as charge control agents for electrophotographic recording methods
05/08/1990US4923778 Use of high percent solids for improved liquid toner preparation
05/08/1990US4923776 Spherical particles with pimply surface
05/08/1990CA1268655A1 Carrier for use in electrophotographic developers
05/03/1990WO1990004810A1 Color electrophotographic method and apparatus
05/02/1990EP0366492A2 Liquid developer for electrostatic photography
05/02/1990EP0366491A2 Liquid developers for electrophotography
05/02/1990EP0366447A2 Electrostatic photographic liquid developer
05/01/1990US4922020 1,1,5,5-tetra(4-aminophenyl)-pentadi-1,4-ene compounds
05/01/1990US4921771 Toner for use in developing electrostatic images containing polypropylene
05/01/1990US4921768 Electrophotographic image forming
04/1990
04/25/1990EP0365344A2 A toner composition and a method for preparing the same
04/24/1990US4920187 Process for preparing particles having monodisperse particle size
04/24/1990US4920023 Treating coated carrier particles with metal salts or metal salts of fatty acids, mixing with toner composition
04/24/1990US4919727 Oxidation resistant, heat resistant iron oxide black pigments, a process for their preparation and their use
04/18/1990EP0363900A2 Carriers for developing electrostatic images
04/18/1990CN1007662B Toner composition for electrofax
04/17/1990US4917986 Phosphorous-containing compounds as adjuvant for positive electrostatic liquid developers
04/17/1990US4917985 Organic sulfur-containing compounds as adjuvants for positive electrostatic liquid developers
04/17/1990US4917984 Electrophotographic toner composition comprising polymers having specified molecular weights
04/17/1990US4917983 Toner for developing an electrostatic latent image comprising linear polyester polymer
04/17/1990US4917982 Toner for use in developing electrostatic images containing polypropylene
04/17/1990US4917043 Developing device in an image forming apparatus
04/11/1990EP0362859A2 Process for producing microcapsule toner
04/11/1990EP0362858A2 Carriers for developing electrostatic images
04/11/1990EP0362703A2 Chinaoridone with selectively imparted triboelectric effects
04/11/1990EP0362650A2 Carriers for developing electrostatic images
04/04/1990EP0361939A2 A carrier for a developer
04/03/1990US4913991 Electrophotographic process using fluorine resin coated heat application roller
03/1990
03/28/1990EP0360617A2 Dry toner, dry developer and process for forming images
03/28/1990EP0360146A2 Carrier for electrostatic image development and method of preparing it
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