Patents for G03G 9 - Developers (22,748)
07/1991
07/23/1991US5034299 Nonpolar liquid, thermoplastic resin particles, a charge director compound and an inorganic acid
07/23/1991US5034298 Toner compositions and processes thereof
07/23/1991US5034297 Coating with metal alkoxide to form a layer on a toner, separation and drying
07/23/1991CA2030220A1 Liquid electrophotographic toner
07/20/1991CA2032798A1 Color electrophotography for high quality half-tone images
07/17/1991EP0437330A2 Di- and tricationic negative charge control agents for toner composition
07/17/1991EP0437073A2 Toner developed electrostatic imaging process for outdoor signs
07/16/1991US5032484 Polyethyleneimine-containing toner compositions
07/16/1991US5032483 Electrophotographic red toner
07/16/1991US5032482 Carrier and developer and method of developing using same
07/11/1991WO1991010171A1 Electrophotographic toner
07/10/1991EP0436176A1 Organometallic compounds as mottle prevention additives in liquid electrostatic developers
07/09/1991US5030976 Electrodielectric printing apparatus and process
07/09/1991US5030535 Electrographic imaging; nonsmearing
07/09/1991CA2033631A1 Recording material
07/04/1991DE4040469A1 New bis:cationic acid amide and imide substd. borate cpds. - prepd. from cpd. with different anion, useful as colourless charge transfer agent in toner
07/04/1991DE4040468A1 Bis:cationic acid amide and imide cpds. - used as charge transfer agents in toner and charge controllers for powder and powder paint
07/03/1991EP0435692A1 Toner and process for preparation thereof
07/03/1991EP0435691A1 Toner and process for preparation thereof
07/03/1991EP0435690A2 Sinker mechanism for flat knitting machines
07/03/1991EP0435610A2 Developer and image forming process
07/03/1991EP0435608A2 Image forming process
07/03/1991EP0435129A1 Metal salts of beta-diketones as charging adjuvants for electrostatic liquid developers
07/03/1991EP0404825A4 Improved liquid toner composition
07/02/1991US5028508 Metal salts of beta-diketones as charging adjuvants for electrostatic liquid developers
07/02/1991US5028507 Diazadibenzoperylene Pigments
07/02/1991CA1285693C Weakly acidic crosslinked vinyl polymer particles and coating compositions and electrographic elements and developers containing such particles
07/02/1991CA1285603C Offset electrostatic imaging process
06/1991
06/29/1991WO1991010172A1 Biscationic acid amide and acid imide derivatives as charge controllers
06/29/1991WO1991009835A1 Biscationic acid amide and acid imide derivatives and process for preparing them
06/29/1991CA2072560A1 Biscationic acid amide and acid imide derivatives as charge controllers
06/27/1991WO1991009348A1 Electrophotographic toner composition
06/27/1991WO1991009347A1 Electrophotographic toner composition
06/26/1991EP0434253A1 Carrier for electrophotographic developer, process for preparing the same and developer prepared by using said carrier
06/25/1991US5026621 Binder resin of block copolymer of fluoroalkyl acryl ester unit and a fluorine free compatible unit; high speed; anit-offset and anti-blocking properties
06/25/1991US5026620 Using developer with inorganic fine particles of pH 7 or more and grounded heat roller with resin coating containing carbon black
06/21/1991CA2032277A1 Metal salts of .beta.-diketones as charging adjuvants for electrostatic liquid developers
06/21/1991CA2032276A1 Organometallic compounds as mottle prevention additives in liquid electrostatic developers
06/19/1991EP0433012A2 Developer cartridges
06/19/1991EP0432946A1 Charge control resin particles and a method of manufacturing the same
06/19/1991EP0432752A2 Image forming method and image forming apparatus
06/19/1991EP0432688A1 Magnetic carrier for use in electrophotographic development
06/19/1991EP0432458A2 Image-wise adhesion layers for printing
06/18/1991US5025067 Low temperature fixing, offset resistance
06/18/1991US5024915 Silica powder treated with aminosilane coupling agent
06/18/1991US5024914 Resin for toner particle
06/18/1991CA1285083C Carbon black-graft polymer, method for production thereof, and use thereof
06/18/1991CA1285016C Electrostatographic method of making images
06/12/1991EP0431930A2 Developer for electrophotography
06/12/1991EP0431830A1 Carrier for two-component type developer
06/12/1991EP0431737A1 A toner composition and image forming method using the same
06/12/1991EP0431375A2 Continuous process for preparing resin particles in a liquid
06/11/1991US5023161 Method of making a toner for use in electrophotography
06/11/1991US5023160 Liquid developer compositions
06/11/1991US5023159 Core of silane modified polymer with pigment and polymeric shell
06/11/1991US5023158 Hot roll fixation using a blend of polystyrene or a styrene-methacrylic acid or ester copolymer and a polypropylene
06/05/1991EP0430793A1 Developing composition for electrophotography
06/05/1991EP0430706A2 Toner for developing electrostatic images and a method of manufacturing the same
06/05/1991EP0430700A2 Toner for developing electrostatic images
06/05/1991EP0430674A1 Toner for developing electrostatic images and a method of manufacturing the same
06/05/1991EP0430553A1 Toner for full colour development
06/05/1991EP0430507A2 Method for fixing a toner image
06/05/1991EP0430076A2 Image forming method
06/05/1991EP0430038A2 Electrophotographic development process
06/05/1991CN1051987A Ab diblock copolymers as charge directors for negative electrostatic liquid developers
06/05/1991CN1051986A Toner for developing electrostatic images image forming method and image forming apparatus
06/04/1991US5021317 Electrostatic latent image developer with toner particles surface treated with a polysiloxane having ammonium salt functional groups
06/04/1991US5021316 Core coated with copolymer of fluoroalkyl acrylate and siloxy acrylate
06/04/1991US5021315 Method for making magnetic particles having improved conductivity and their use in electrostatographic printing applications
06/04/1991US5021314 Attractant particles distributed in thermoplastic resin containing coloring materials
05/1991
05/29/1991EP0429294A2 Toner for full colour development
05/29/1991DE4037518A1 Resin particles, useful as electrophotographic toners, etc. - has particles of condensn. polymer with size range 0.1-100 microns, narrow size distn. and high sphericity
05/29/1991CA2030910A1 Carrier for two-component type developer
05/28/1991US5019622 Rosin modified styrene acrylic resin
05/28/1991US5019477 Vinyltoluene and styrene copolymers as resins for liquid electrostatic toners
05/28/1991US5018445 Magnetically delivered ink
05/23/1991CA2030149A1 Continuous process for preparing resin particles in a liquid
05/21/1991US5017451 Continuous process for preparing resin particles in a liquid
05/21/1991US5017450 Graft polymer of unsaturated polyester, styrene and aminoalkyl methacrylate as binder resin, controlling chargability
05/21/1991US5016823 Air current classifier, process for preparing toner, and apparatus for preparing toner
05/15/1991EP0427614A1 Toner for developing electrostatically charged images
05/15/1991EP0427278A2 Binder resin and process for producing it
05/15/1991EP0427275A2 Toner for developing electrostatic images, image forming method and image forming apparatus
05/15/1991EP0427273A2 Toner for developing electrostatic images, detachable apparatus, image forming apparatus and facsimile apparatus
05/15/1991EP0427272A2 Toner, image forming apparatus, apparatus unit and facsimile apparatus
05/15/1991EP0427199A2 Two-component magnetic developer for magnetic image character recognition
05/14/1991US5015724 Process of producing polyester, and developer composition for electrophotography
05/14/1991US5015551 Resin particles dispersed in a dielectric nonaqueous solvent for making printing plates or sheets
05/14/1991US5015550 Electrophotographic coated carrier particles and methods thereof
05/14/1991US5015549 Positive or negative latent images, particles with shells and liquid cores of ethylenically unsaturated monomer, a leuco dye and a photoinitiator
05/08/1991EP0426392A2 Infrared-transparent black liquid toner
05/08/1991EP0426124A2 Carrier for electrophotography, two-component type developer for developing electrostatic images, process for producing carrier for electrophotography, and image forming method
05/08/1991EP0426052A2 AB Diblock copolymers as charge directors for negative electrostatic liquid developers
05/07/1991US5014089 Developer in an image forming device having a binding resin and magnetic powder
05/07/1991US5013630 Encapsulated toner compositions
05/07/1991US5013628 In admixture with carrier particles and a thermoplastic binder
05/07/1991US5013627 Electrophotographic toners with cationic charge increasing additive
05/07/1991US5013626 Carrier of a magnetic powder dispersed type
05/07/1991CA1283798C Latent imaging and developer system
05/02/1991WO1991006043A1 Electrostatographic particulate toner and developer compositions