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Document Title |
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6365310 |
Developing method and a developer for electrophotography
A developer for electrophotography comprises toner particles and carrier particles. The carrier particles comprise at least two kinds of carriers particles having different charge giving...
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5885741 |
Carrier for electrostatic latent image development and coating agent for use therein
A coating agent for a carrier for electrostatic latent image development comprised of (A) an organopolysiloxane having the formula (R 3 SiO 1 /2) a (R 2 SiO 2 /2) b (RSiO 3 /2) c , wherein R is...
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5716748 |
Developer and finely particulate polymer
The invention provides a developer comprising toner particles and a finely particulate polymer, wherein the finely particulate polymer is a finely particulate polymer of core-shell structure, which...
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5683844 |
Fibrillated carrier compositions and processes for making and using
A carrier comprised of a core with a coating thereover comprised of at least one polymer resin and wherein the outer surface of the coated carrier is fibrillated.
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5665509 |
Electrophotographic carrier compositions having improved life
Electrophotographic carrier compositions comprising a coating containing a resin and a mixture of positive and negative charge agents, and methods for making such carriers; and electrophotographic...
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5567561 |
Coating agents for electrophotography and electrophotography carriers prepared by using them
Coating agents for electrophotography carriers are disclosed which are resistant to wear, peel-off, cracks, and prevent the occurrence of a spent phenomenon, and which possess a durability for a...
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5552254 |
Amic acid based toner compositions
A toner composition comprised of pigment and an amic acid based resin.
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5288577 |
Dry-type developer
A dry type developer is composed of substantially spherical, electrically insulating toner particles which are free from electroconductive particles, and carrier particles, each carrier particle...
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5061586 |
Glass composite magnetic carrier particles
Disclosed are two-phase glass composite carrier particles which comprise a composite of a magnetically hard ferrite material having a single phase hexagonal crystalline structure of the formula...
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4996127 |
Toner for developing an electrostatically charged image
This invention provides a toner composed of associated particles of secondary particles comprising primary particles of a polymer having an acidic or basic polar group and particles of a coloring...
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4590141 |
Carrier particles for use in a two-component dry-type developer for developing latent electrostatic images
Carrier particles are disclosed for use in a two-component dry-type developer for developing latent electrostatic images to visible images, for use in electrophotography, electrostatic recording...
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4562136 |
Two-component dry-type developer
A two-component dry-type developer which comprises carrier particles coated with silicone resin and toner particles containing as a negative polarity control agent a monoazo metal complex dye. As...
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4267247 |
Low specific gravity magnetic carrier materials
Electrostatographic carrier materials having low bulk densities and high magnetic permeabilities are obtained by impregnating low density porous silicaceous particles with a magnetic or...
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4262078 |
Light transmitting particle for forming color image
Disclosed is a light transmitting particle containing a sublimable color-former that is a pyridine derivative suitable for use in the formation of a color image. This particle can produce a clear...
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4248954 |
Coated carrier particles for use in electrophotographic process
Carrier particles for use in an electrophotographic process are prepared by coating the surface of the carrier particles with a perfluoro carboxylic acid in a polymeric binder. The resulting...
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4126566 |
Electrostatic developer material
An electrostatographic developer mixture comprising finely-divided toner particles electrostatically clinging to the surface of large carrier particles, each of the carrier particles comprising a...
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4124735 |
Magnetic glass carrier materials
Electrostatographic carrier materials having low bulk densities and high magnetic permeabilities are obtained by providing an alumino-boro-silicate glass particle containing from between about 10...
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4093459 |
Treated carrier particles used in electrophotographic process
Carrier particles for use in an electrophotographic process are prepared by applying a mixture of a perfluoro acid and molybdenum disulfide to the surface of the carrier particle. The resulting...
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4092163 |
Imaging process utilizing silylated coated carrier
Electrostatographic developer compositions for use in developing electrostatic latent images wherein the triboelectric charging potential of functional polymers employed in the carrier materials...
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4068017 |
Coated carrier particles for use in electrophotographic process
Carrier particles for use in an electrophotographic process are prepared by applying a mixture of a perfluoro acid and polyvinylidene fluoride to the surface of the carrier particle. The resulting...
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4055684 |
Coated carrier particles for use in electrophotographic process
Carrier particles for use in an electrophotographic process are prepared by coating a particulate matrix with an ion exchange resin dispersed in a polymeric binder. The resulting coated carrier...
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4039463 |
Electrostatographic developers comprising a carrier bead coated with a copolymer of N-vinylcarbazole and trialkoxyvinylsilane and/or triacetoxyvinylsilane
Carrier beads for use in an electrostatographic developer mixture comprise a glass core or iron-containing metal core enveloped with a coating of a copolymer of N-vinylcarbazole,...
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4035520 |
Imaging systems
An electrostatographic imaging process comprising the steps of providing an electrostatographic imaging member having a recording surface, forming an electrostatic latent image on the recording...
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4020192 |
Xerographic reproduction process and toner carrier for use therewith
A xerographic reproduction process and toner carrier for use therewith, the process comprising the steps of forming an electrostatic latent image on a recording layer and developing the image with...
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3964903 |
Development of electrostatic images
A developing material for use in the development of electrostatic images comprising toner particles and carrier particles is described wherein the developing material incorporates at least one...
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3922381 |
Chemically treated carrier particles for use in electrophotographic process
Carrier particles for use in an electrophotographic process are prepared by applying a perfluoro acid to the surface of the carrier particle. The resulting carriers are long lived and capable of...
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3916064 |
Developer material
An electrostatographic developer mixture comprising finely divided toner particles electrostatically clinging to the surface of large carrier particles, each of the carrier particles comprising a...
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3865611 |
Method for electrostatic image development employing toner and carrier supported by a conductive liquid electrode surface
A method and apparatus for developing an electrostatic latent image formed on an electrophotographic surface by contacting said surface with a liquid or dry type developer, said developer...
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3850663 |
CELLULOSE COATED CARRIERS
An electrostatographic developer mixture comprising finely-divided toner particles electrostatically clinging to the surface of carrier beads, each of the carrier beads comprising a core having a...
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3849127 |
ELECTROSTATOGRAPHIC PROCESS IN WHICH COATED CARRIER PARTICLES ARE USED
Development is obtained in an electrostatographic imaging system with a developer mixture wherein the carrier particles are coated with a thin layer of a solid polyphenylene oxide resin or a blend...
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3793048 |
DEVELOPING PROCESS USING TONERS AT A REACTOR PRODUCT BETWEEN A DYE HAVING AN AMINO GROUP AND ORGANIC HALIDE
Toners for developing electrostatic charge images and processes for using said toners to develop electrostatic charge images. The toners comprise compounds produced by the reaction of a dye having...
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3725283 |
ELECTROSTATOGRAPHIC DEVELOPER CONTAINING UNCOATED GLASS-CERAMIC CARRIER PARTICLES
Electrostatographic developer comprised of a toner and an uncoated carrier wherein the carrier comprises a crystalline phase dispersed in a glass matrix, and the crystalline phase is a Group IV...
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3713819 |
XEROGRAPHIC IMAGING AND DEVELOPMENT USING METAL OXIDE CARRIER PARTICLES
A xerographic carrier bead material for use in developing electrostatic latent images comprising a glass composition of from about 10 to about 40 parts oxides of silicon, from about 5 to about 50...
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3658500 |
METHOD FOR PRODUCING GLASS BEADS FOR ELECTROSTATOGRAPHIC DEVELOPERS
Spherical glass beads are produced by isolating individual glass particles on a non-wetting ceramic block and heating the glass to a temperature at which the glass particles are drawn-up into...
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3533835 |
ELECTROSTATOGRAPHIC DEVELOPER MIXTURE
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3526533 |
COATED CARRIER PARTICLES
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2955052 |
Method of forming a raised image
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3681106 |
Title is not available
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3627522 |
Title is not available
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3595794 |
Title is not available
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3840464 |
Title is not available
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3730707 |
Title is not available
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3764310 |
Title is not available
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3591503 |
Title is not available
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