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US20090291274 DEVELOPER FOR SELECTIVE PRINTING OF RAISED INFORMATION BY ELECTROGRAPHY  
The use of electrographic printing to prepare prints which have a desired tactile feel or raised information in a controlled manner by utilizing a developer having toner particle size larger than...
US20080171281 FERRITE CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER AND ELECTROPHOTOGRAPHIC DEVELOPER  
Disclosed are a ferrite carrier for electrophotographic developer and an electrophotographic developer using the ferrite carrier, wherein: the ferrite carrier is a composite ferrite composed of Li...
US20090239173 RESIN-FILLED CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE RESIN-FILLED CARRIER  
A resin-filled carrier for an electrophotographic developer obtained by filling resin into voids of a porous ferrite core material, wherein the porous ferrite core material has a pore volume of...
US20110117485 TONER COMPOSITION, DEVELOPER COMPRISING THE TONER COMPOSITION, AND METHOD IN CONNECTION WITH THE PRODUCTION OF A VOLUME BODY  
The present invention relates to a toner composition for forming a masking pattern for use e.g. in connection with a method of building up a three-dimensional body from a large number of mutually...
US20100055601 RESIN-FILLED CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE RESIN-FILLED CARRIER  
A resin-filled carrier for an electrophotographic developer which carrier is obtained by filling a resin in the voids of a porous ferrite core material, wherein the Cl concentration of the porous...
US20110212399 FERRITE CORE MATERIAL AND FERRITE CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE FERRITE CARRIER  
There is provided a ferrite core material for an electrophotographic developer, the ferrite core material having a ferrite particle composition represented by the formula (1) shown below,...
US20090246675 TWO-COMPONENT DEVELOPER, REPLENISHING DEVELOPER, AND IMAGE-FORMING METHOD USING THE DEVELOPERS  
An object of the present invention is to suppress the adhesion of a carrier to an image bearing member and the generation of a flaw in the surface layer of the image bearing member, and to improve...
US20060269862 Ferrite core material for resin-filled type carrier, resin-filled type carrier, and electrophotographic developer using the carrier  
A ferrite core material for a resin-filled type carrier, and a resin-filled type carrier which is used as an electrophotographic developer by mixing a toner, sufficiently secure the image density,...
US20060199094 Carrier and developer compositions  
A developer composition comprising a magnetic toner and a mixture comprised of bare carrier core particles free of a coating and coated carrier particles, and wherein said bare carrier core...
US20060099528 Carrier composition  
A carrier particle for an electrostatographic process, and a developer employing such carrier particle, is provided. The carrier particle includes an irregular shaped ferrite core, and a coating...
US20070154833 Resin-coated carrier for electrophotographic developer and process for producing the same, and electrophotographic developer comprising the resin-coated carrier  
An object of the present invention is to provide a resin-coated ferrite carrier comprising a carrier core material having a small particle size, a high sphericity and surface uniformity, and a low...
US20070072108 Synthetic carriers  
A carrier includes at least one magnetic material and a conductive material. The conductive material is at least one carbon nanotube. A developer includes a toner and the carrier.
US20090258311 Electrophotographic Developer Carrier Core Material, Electrophotographic Developer Carrier, Methods of Manufacturing the Same, and Electrophotographic Developer  
The present invention provides a carrier core material for use in the production of an electrophotographic developer which, even when applied, for example, to MFPs (multifunction printers), can...
US20120003579 FERRITE CARRIER CORE MATERIAL AND FERRITE CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE FERRITE CARRIER  
There are provided a ferrite carrier core material for an electrophotographic developer, which contain 10 to 30% by weight of Mn, 1.0 to 3.0% by weight of Mg, 0.3 to 1.5% by weight of Ti and 40 to...
US20100086869 CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER AND METHOD FOR PRODUCING THE SAME, CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTROPHOTOGRAPHIC DEVELOPER  
To provide a carrier for two-component electrophotographic developer not only having excellent fluidity but also having proper surface irregularities necessary for imparting electric charge,...
US20110097662 COATED CARRIERS  
The present disclosure provides carriers for use with toner compositions. In embodiments, a carrier may include a core, having a dry powder polymer coating. The polymer coating possesses a carbon...
US20140017606 FERRITE PARTICLES AND ELECTROPHOTOGRAPHIC CARRIER AND ELECTROPHOTOGRAPHIC DEVELOPER USING SAME  
A material expressed as a composition formula MXFe3-XO4 (where M is at least one of Mg and Mn, and 0≦X≦1) is a main component, and as a total amount, 0.1 to 2.5 weight percent of at least one of a...
US20140242511 METHOD FOR MANUFACTURING CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTROPHOTOGRAPHIC DEVELOPER  
Provided is a method for manufacturing carrier core particles for electrophotographic developer capable of stably maintaining high chargeability over a long time. The method for manufacturing...
US20110183253 CORE MATERIAL OF FERRITE CARRIER AND FERRITE CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE FERRITE CARRIER  
A core material of a ferrite carrier for an electrophotographic developer, the core material being composed of a ferrite particle containing at least one or more temperature compensation-type...
US20140030650 MAGNETIC CARRIER AND TWO-COMPONENT DEVELOPER  
A magnetic carrier having a resin-containing ferrite particles each containing a porous ferrite core and a resin in pores of the porous ferrite core, wherein the porous ferrite core has a...
US20100233608 ELECTROSTATIC IMAGE DEVELOPING CARRIER, PROCESS OF MAKING THE SAME, ELECTROSTATIC IMAGE DEVELOPER, PROCESS CARTRIDGE, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS  
An electrostatic image developing carrier includes a ferrite particle that contains from about 1.0% by weight to about 14.0% by weight of elemental magnesium, wherein an average distribution ratio...
US20100196818 CARRIER CORE MATERIAL AND CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER AND PROCESS FOR PRODUCING THE SAME, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE CARRIER  
Employment of a carrier core material for an electrophotographic developer containing 0.8 to 5% by weight of Mg, 0.1 to 1.5% by weight of Ti, 60 to 70% by weight of Fe and 0.2 to 2.5% by weight of...
US20160246194 ELECTROSTATIC CHARGE IMAGE DEVELOPER, DEVELOPER CARTRIDGE, AND PROCESS CARTRIDGE  
An electrostatic charge image developer includes an electrostatic charge image developing carrier containing a ferrite particle and an electrostatic charge image developing toner containing...
US20160179026 Formulation for a Developer Mix Having Tribocharge Uniformity Across Different Temperature and Humidity Conditions  
A developer mix formulation having tribocharge uniformity across varying temperature and humidity conditions is provided. A developer mix used in a dual component development (DCD) system is a...
US20150268578 ELECTROSTATIC CHARGE IMAGE DEVELOPING CARRIER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND DEVELOPER CARTRIDGE  
An electrostatic charge image developing carrier includes magnetic particles, wherein the magnetic particles have an unevenness average Sm of a surface, an arithmetic surface roughness Ra of a...
Matches 1 - 25 out of 25