Patent application number | Description | Published |
20100092886 | TONER COMPOSITIONS - The present disclosure provides processes for producing toners by emulsion aggregation where the resulting toner particles have high pigment loadings and desired circularity. The methods include adding a metal, in embodiments a metal salt, at the beginning of coalescence, which surprisingly speeds the coalescence process and produces toner particles having a desired size and circularity for use in electrophotographic imaging systems. | 04-15-2010 |
20100136472 | TONER COMPOSITIONS - Toner particles are provided which may, in embodiments, include a high molecular weight branched or cross-linked polyester to decrease image gloss and to increase toner elasticity to prevent surface additives impaction. In embodiments, the toner particles may have a core-shell configuration, with the high molecular weight polyester in the core, the shell, or both. | 06-03-2010 |
20110014559 | COLORED TONERS - The present disclosure provides violet toners and methods for their production. In embodiments, methods of the present disclosure include systems which may be utilized to predict the color properties of a violet toner, thereby permitting adjustment of the pigment loading and/or target mass per unit area. | 01-20-2011 |
20110070538 | 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. In embodiments, the coating may also include a colorant, such as carbon black. Processes for coating such carriers with the dry powder polymer coatings are also provided. | 03-24-2011 |
20110097662 | 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 to oxygen from about 3:1 to about 8:1. In embodiments, the coating may also include a colorant, such as carbon black. Processes for coating such carriers with the dry powder polymer coatings are also provided. | 04-28-2011 |
20110250536 | IMAGING PROCESSES - The present disclosure provides processes for producing images with toner particles. In embodiments, toner particles of a certain diameter in size are applied to a substrate as an incomplete monolayer, and then fused to form an image that is a complete monolayer and possesses a thickness less than the diameter of the particles utilized to form the image. | 10-13-2011 |
20120043504 | TONER PROCESSES - The present disclosure provides toners and processes for making said toners. In embodiments, the toners include a fluorescent additive having a fluorescent agent. Toners are colorless when viewed under natural light but when exposed to UV light of a specific wavelength the toners are rendered bright green due to the presence of the fluorescent agent. | 02-23-2012 |
20120156605 | TONER COMPOSITIONS AND PROCESSES - The present disclosure provides polymeric additives for use with toner particles. The polymeric additive of the present disclosure includes a copolymer possessing at least one monomer having a high carbon to oxygen ratio, a monomer having more than one vinyl group, and at least one amine-functional monomer. Toners possessing this polymeric additive exhibit excellent stability with respect to relative humidity and excellent charging characteristics. | 06-21-2012 |
20120156606 | TONER COMPOSITIONS AND PROCESSES - The present disclosure provides polymeric additives for use with toner particles. The polymeric additive of the present disclosure includes a copolymer possessing at least one monomer having a high carbon to oxygen ratio and at least a second amine-functional monomer. Toners possessing this polymeric additive exhibit excellent stability with respect to relative humidity and excellent charging characteristics. | 06-21-2012 |
20120202148 | Emulsion Aggregation Toner Compositons - Disclosed is a toner which comprises particles comprising: (a) a core comprising: (1) a first resin; and (2) a first conductive colorant; and (b) a shell comprising: (1) a second resin; and (2) a second conductive colorant. | 08-09-2012 |
20120270146 | MAGNETIC TONER COMPOSITIONS - The present disclosure relates to a process for preparing a polyester-based magnetic toner composition. The toner composition includes one or more polyester amorphous binder resins, optionally a crystalline polyester resin, and spherical barium iron oxide particles. In embodiments, the toner is prepared from barium iron oxide particles that are in a dispersion including water and a dispersant. In yet other embodiments, the process may be conducted under an inert gas such as argon to avoid oxidation of the ferromagnetic particles during toner preparation. | 10-25-2012 |
20120308925 | Hyperpigmented black low melt toner - The present disclosure describes a hyperpigmented low melt black toner containing a thermal carbon black which exhibits reduced dielectric loss and improved tribo charging. | 12-06-2012 |
20130115548 | Alkyl silane surface treated silica for toner - The present disclosure describes toner compositions comprising an alkyl surface-treated silica, which toners exhibit improved tribo-charging, second transfer efficiency and IQ without impacting color. | 05-09-2013 |
20130115549 | Low dielectric additives for toner - The present disclosure describes toner compositions containing an additive package including one or more additives that exhibit low dielectric loss, which toners exhibit improved tribo charging, 2 | 05-09-2013 |
20130164664 | MIXER APPARATUS AND METHOD OF MAKING DEVELOPER - The present teachings describe an apparatus for mixing developer. The apparatus includes a first loader for dispensing a predetermined amount of toner particles into a container and a second loader for dispensing a predetermined amount and carrier particles in the container. A sealer seals the container. An acoustic mixer is provided for mixing the container, toner particles and carrier particles at a resonant frequency. A method of mixing developer is disclosed. | 06-27-2013 |
20130255190 | CUSTOM COLOR TONER PRODUCTION SYSTEMS AND METHODS - A custom color toner production system includes a toner delivery system, a cartridge sealing system, a mixing system, and a packaging system. The toner delivery system includes selectively engageable fluid delivery lines for delivering toner of particular color to a cartridge as need for producing a custom color toner in response to an electronically submitted user request. Cartridge containing the unmixed delivered toner may be sealed by a sealing system, and blended using a resonant mixer to produce a custom color toner. The cartridge containing the mixed custom color toner may be packaged using a packaging system. | 10-03-2013 |
20130260308 | Toner Process - The present disclosure describes a toner produced using a coalescing temperature lower than the melting point of a wax in the toner, quench cooling or both. The resulting toners can exhibit reduced dielectric loss and improved tribo charging. | 10-03-2013 |
20130273243 | METHOD FOR MANUFACTURING FUSER MEMBERS - The present teachings describe a process that includes obtaining a composition of particles comprising fluorine containing particles and aerogel particles. The composition is mixed at a resonant frequency of a mixing system containing the composition. The composition is powder coated onto a substrate and cured to form a release layer on the substrate. | 10-17-2013 |
20130274376 | SURFACE COATING AND FUSER MEMBER - The present teachings disclose a surface coating composition. The surface coating composition includes fluorine containing particles, aerogel particles and positive tribocharging particles. The surface coating is useful as the release layer for fuser members. | 10-17-2013 |
20140121298 | Method of Powder Coating and Powder-Coated Fuser Member - Methods for powder coating that include applying a powder coating composition to a substrate via an electrostatic gun. The powder coating composition includes a mixture of two or more materials having different densities, such as a mixture of aerogel particles and fluoropolymer-containing particles. The electrostatic gun can have a high-voltage generator that generates a negative polarity voltage between about 0 KV and about 100 KV during application of the powder coating composition, and the electrostatic gun can have a round spray nozzle. Methods of making fuser members using such powder coating methods, fuser members prepared by such methods, and methods of preparing low gloss images using such fuser members. | 05-01-2014 |
20140127619 | Red Toners - Red toners that approximate PANTONE® Red 032 and PANTONE® Warm Red are described. The colorant includes an orange colorant and a red colorant, where the orange colorant absorbs light having a wavelength of from about 400 to about 520 nm, and where the red colorant absorbs light having a wavelength of from about 500 to 580 nm. | 05-08-2014 |
20140128518 | Solid Red Ink Formulations - A solid ink including an ink vehicle and a colorant, the colorant includes an orange colorant and a red colorant, where the orange colorant absorbs light having a wavelength of from about 400 to about 560 nm, and where the red colorant absorbs light having a wavelength of from about 510 to 580 nm. The ink substantially matches PANTONE® Red 032 or PANTONE® Warm red. | 05-08-2014 |
20140147781 | Hyperpigmented Toner - The present disclosure describes hyperpigmented toner compositions containing a mixture of insulative color pigments, which toners exhibit reduced dielectric loss and improved tribo-charging. | 05-29-2014 |
20140308608 | Sol-Gel Silica Additives - The present disclosure describes toner additive packages comprising two or more colloidal silicas. | 10-16-2014 |