Patent application number | Description | Published |
20140154621 | TONER ADDITIVES - The disclosure relates generally to toner additives, and in particular, toner additives that provide desired higher toner charge and low relative humidity (RH) sensitivity. The toner additives comprise titania nanotubes or titania nanosheets in combination with or in place of the commonly used anatase or rutile crystalline titania. | 06-05-2014 |
20140154622 | LATEX CARRIER COATING AND METHODS FOR MAKING THE SAME - A carrier coating comprising a metal core and a polymeric coating that may be used to form toner. The carrier coating, through how it is made, exhibits improved coating abilities that may be used to completely coat carrier particles, and thus provide excellent aging performance. | 06-05-2014 |
20140205942 | TONER ADDITIVES - The disclosure relates generally to toner additives, and in particular, toner additives that provide desired higher and stable toner charge. The toner additives comprise silica nanotubes in combination with or in place of the commonly used silica or titania particulate additives. | 07-24-2014 |
20140295333 | IMAGE FORMING SYSTEM - The presently disclosed embodiments relate generally to image forming systems comprising imaging apparatus members and toner compositions. More specifically, the present embodiments relate to specific toner compositions for use with electrophotographic imaging members comprising an overcoat layer protecting the imaging member surface and a contact type charging device, such as a “bias charge roll” (BCR). The toner compositions comprise a combination of additives that provide an image forming system that does not suffer from the commonly observed deletion and imaging member wear issues. | 10-02-2014 |
20140302435 | CARRIER RESINS WITH IMPROVED RELATIVE HUMIDITY SENSITIVITY - The disclosure generally describes carrier resins, and in particular, resins used for carrier coatings which include at least one ester functional group and at least one cyclic aliphatic group containing at least one nitrogen atom in the cyclic ring structure. Carriers having such resins in the coating exhibit high charge and excellent relative humidity (RH) sensitivity of charge to changing environmental conditions. | 10-09-2014 |
Patent application number | Description | Published |
20100310272 | TWO-COLOR IOI DRUM MODULE ENABLING N-COLOR MONOCHROME, HIGHLIGHT, FULL COLOR, PHOTOTONE COLOR AND EXTENDED COLOR ARCHITECTURES - A xerographic marking device includes an intermediate transfer unit, a media transport path and at least one two-color image-on-image (IOI) drum module. Each two-color IOI drum module includes in a process order around a photoreceptor; a) a first charging unit; b) a first exposure unit; c) a first development unit; d) a second charging unit; e) a second exposure unit; and f) a second development unit, wherein the intermediate transfer unit receives a first toned image and a second toned image from the photoreceptor in a single transfer and transfers those toner images to print media to produce a toned image on print media. In various embodiments, specific color pairings are provided. | 12-09-2010 |
20140128541 | LATEX PROCESS TO ENABLE HIGH LOADINGS OF HYDROPHOBIC MONOMERS - A method for preparing a latex resin includes initiating polymerization of a starting reaction mixture including a first surfactant, a second surfactant, a solvent, a core monomer, and a hydrophobic monomer to form a latex seed in a reaction vessel, and mixing an additional amount of the second surfactant, the core monomer, and the hydrophobic monomer into the reaction vessel to form an emulsion including latex particles, wherein the first surfactant and the second surfactant may be the same or different. | 05-08-2014 |
20150024313 | ZIRCONIUM OXIDE TONER ADDITIVE - A toner composition includes toner particles and an additive disposed on an exterior surface of the toner particles, the additive includes uncoated zirconium oxide particles, the toner composition is substantially free of one or more rare earth compounds and the uncoated zirconium oxide particles are present in a sufficient amount to reduce bias charge roller contamination. | 01-22-2015 |
20150024314 | TONER ADDITIVES TO PREVENT BIAS ROLLER CONTAMINATION - A toner composition includes toner particles and additives disposed on an exterior surface of the toner particles, the additives include uncoated particles satisfying the equation: | 01-22-2015 |
20150024315 | SILICON CARBIDE TONER ADDITIVE - A toner composition includes toner particles and an additive disposed on exterior surfaces of the toner particles, the additive includes uncoated silicon carbide particles, the toner composition is substantially free of one or more rare earth compound and the uncoated silicon carbide particles are present in a sufficient amount to reduce bias charge roller contamination. | 01-22-2015 |
20150024318 | BARIUM TITANATE TONER ADDITIVE - A toner composition includes toner particles and an additive disposed on an exterior surface of the toner particles, the additive includes uncoated barium titanate particles, the toner composition is substantially free of one or more rare earth compounds and the uncoated barium titanate particles are present in a sufficient amount to reduce bias charge roller contamination. | 01-22-2015 |
20150056551 | TONER PROCESS COMPRISING REDUCED COALESCENCE TEMPERATURE - A method of forming toner particles includes aggregating a mixture of a latex, a wax, and an optional pigment to form pre-toner particles, and coalescing the pre-toner particles at a substantially constant target temperature selected within a range from about the glass transition temperature of the pre-toner particles to about 75° C., thereby creating toner particles having a substantially constant particle size distribution during the coalescing step. | 02-26-2015 |
Patent application number | Description | Published |
20080220359 | TONER PROCESSES - Disclosed herein are toner particles generated by emulsion/aggregation processes. The processes are conducted under conditions that shorten the time for coalescence and post-formation washing, thereby increasing efficiency of the processes as compared to conventional processes. | 09-11-2008 |
20090047591 | NANO-SIZED COMPOSITES CONTAINING POLYMER MODIFIED CLAYS AND METHOD FOR MAKING TONER PARTICLES USING SAME - A toner comprising toner particles, a polymer binder, at least one colorant and clay composites distributed in the polymer binder, wherein the clay composites comprise a polymer modified clay. | 02-19-2009 |
20090047595 | Nano-Sized Composites Containing Polymer Modified Clays and Method for Making Toner Particles Using Same - A method for making toners to include clay composites. The clay composites are incorporated into emulsion of toner and used in making toner via emulsion aggregation. Such toners may have a core and/or a shell and the clay composites may be included with the core, the shell or both. | 02-19-2009 |
20100159375 | TONERS CONTAINING POLYHEDRAL OLIGOMERIC SILSESQUIOXANES - Disclosed is a toner composition comprising toner particles which comprise a resin, an optional colorant, and a polyhedral oligomeric silsesquioxane compound. | 06-24-2010 |
20100159376 | TONERS CONTAINING POLYHEDRAL OLIGOMERIC SILSESQUIOXANES - Disclosed is a toner composition comprising toner particles which comprise (a) a resin having chemically bonded thereto a polyhedral oligomeric silsesquioxane, (b) and an optional colorant. | 06-24-2010 |
20100173239 | LOW MELT COLOR TONERS WITH FLUORESCENCE AGENTS - A low melt or ultra low melt toner includes at least one amorphous polyester of an alkoxylated bisphenol based polyester, a crystalline polyester derived from the reaction of an aliphatic dicarboxylic acid or aromatic dicarboxylic acid with an aliphatic diol, at least one colorant and at least one fluorescence agent. Methods of authentication of the toner, of authentication of documents formed from the toner, of embedding information in documents, and the like are also set forth. | 07-08-2010 |
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 |
20120235074 | SOLVENT-BASED INKS COMPRISING COATED MAGNETIC NANOPARTICLES - Solvent-based ink compositions which can be used for ink jet printing in a variety of applications. In particular, the present embodiments are directed to magnetic inks having desirable ink properties. The ink of the present embodiments comprise magnetic nanoparticles that are coated with various materials to prevent the exposure of the nanoparticles to oxygen, and provides robust prints. | 09-20-2012 |
20120235075 | SOLVENT-BASED INKS COMPRISING COATED MAGNETIC NANOPARTICLES - Solvent-based ink compositions which can be used for ink jet printing in a variety of applications. In particular, the present embodiments are directed to magnetic inks having desirable ink properties. The ink of the present embodiments comprises magnetic nanoparticles that are coated with various materials to prevent the exposure of the nanoparticles to oxygen, and provides robust prints. | 09-20-2012 |
20130114980 | DUAL TONER REPLENISHER ASSEMBLY FOR CONTINUOUSLY VARIABLE GLOSS - A color image forming machine is provided having a plurality of xerographic marking engines, each forming associated color separations that are combined to produce a color print image. Each marking engine includes a dual replenisher assembly having first and second reservoirs containing respective toners of different gloss levels. The reservoirs each include one or more augers separately and independently controlled for dispensing the respective toners into a developer to continuously vary the gloss level of the toner in the developer. | 05-09-2013 |
20130236829 | SUPER LOW MELT TONER WITH CORE-SHELL TONER PARTICLES - A toner particle having a core and a shell, and a method for making the toner particle. The core includes a crystalline resin and the shell includes an amorphous resin. The shell is substantially to completely free of the crystalline resin. The toner particle permits inclusion of greater amounts of crystalline resin materials in the core, thereby lowering the minimum fusing temperature of the toner formed from the particles. | 09-12-2013 |