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| Number | Title | Issue Date |
| 8158321 | Method and apparatus for liquid electrostatic printing Novel UV-curable liquid toner compositions, methods for preparing same and imaging processes and apparatus utilizing same are provided. The UV-curable liquid toner compositions include a dispersion of toner particles in a hydrocarbon based liquid carrier and one or ... | 04/17/2012 |
| 8142974 | Liquid developer and image forming apparatus A liquid developer is provided. The liquid developer comprises an insulation liquid, toner particles dispersed in the insulation liquid, a dispersant dissolved in the insulation liquid; and a charge control agent dissolved in the insulation liquid. The charge contro... | 03/27/2012 |
| 8119318 | Wet developer To provide a wet developer which is capable of improving fixability, while ensuring a sufficient heat-resistant storage property. The wet developer contains toner particles composed of a colorant and a binder resin, which are dispersed in a non-volatile carrier solu... | 02/21/2012 |
| 8080356 | Liquid developer and a method of forming image A liquid developer is provided. The liquid developer comprises: an insulation liquid constituted of a modified epoxy compound as a main component thereof; toner particles dispersed in the insulation liquid; and a cation type photopolymerization initiator used for po... | 12/20/2011 |
| 8029963 | Method for charging toner particles A charge adjuvant for promoting charging of toner particles comprising a dielectric carrier liquid; and an organic aluminum salt dissolved in the liquid, said organic aluminum salt being soluble in the carrier liquid at room temperature is disclosed. Also disclosed ... | 10/04/2011 |
| 8021816 | Liquid developer and image forming apparatus A liquid developer includes: an insulating liquid; toner particles constituted by a resin material as a main component; and a dispersing agent expressed by Formula (I): H2N—R—NH—R′ (I) (where, R denotes an alkylene group h... | 09/20/2011 |
| 7932009 | Liquid developer and image forming apparatus A liquid developer includes toner particles formed of a resin material and a coloring agent, and an insulation liquid in which the toner particles are dispersed, the insulation liquid containing ester-exchange oil obtained by an ester-exchange reaction of linseed oi... | 04/26/2011 |
| 7867684 | Liquid developer, process cartridge, and image forming apparatus A liquid developer includes: an aqueous medium; and a magnetic toner which is substantially dispersed in the aqueous medium and includes a polymer compound and a magnetic powder, the amount of the magnetic powder being from about 0.2 volume % to about 5 volume % wit... | 01/11/2011 |
| 7862976 | Liquid developer and image forming apparatus A liquid developer having superior fixing characteristic of toner particles to a recording medium and which is harmless to the environment, and an image forming apparatus using the liquid developer are provided. The liquid developer is comprised of an insulation liq... | 01/04/2011 |
| 7851117 | Liquid developer It is an object of the present invention to provide a liquid developer in which in liquid developers for electrophotography or electrostatic recording obtained using the coacervation method, electric resistance of the liquid developer and the electrophoretic propert... | 12/14/2010 |
| 7794910 | Method for controlling particle conductivity in a liquid developer containing yttrium or scandium charge adjuvant In one aspect of the present system and method, a method for enhancing a chargeability of a liquid developer includes presenting a liquid developer and combining a Group 3 based charge adjuvant with the liquid developer. ... | 09/14/2010 |
| 7736828 | Liquid toner methods of producing same A liquid toner comprising a hydrocarbon carrier liquid; toner particles; wax particles; and a charge director. Methods of producing embodiments of the toner and components of the toner are disclosed. ... | 06/15/2010 |
| 7736829 | Charge adjuvants in electrostatic inks Ink toners, electroink compositions, methods of making ink toners, methods of making electroink compositions, and the like, are described. ... | 06/15/2010 |
| 7670732 | Image forming method, liquid developing device, and image forming apparatus An image forming method includes: by using a plurality of liquid developers having different colors, forming a plurality of single color images corresponding to the colors; transferring a non-fixed color image onto a recording medium; and fixing the non-fixed color ... | 03/02/2010 |
| 7622236 | Liquid toner with additives for enhancing life of intermediate transfer members A liquid toner or toner concentrate comprising: pigmented toner particles in an amount of 0.5% to 20% by weight; a carrier liquid comprising: a liquid hydrocarbon; a silicone based additive; and a charge director, wherein the silicone based additive comprises a rele... | 11/24/2009 |
| 7608375 | Liquid developer and image forming apparatus using the same A liquid developer includes a positively chargeable pigment, a carrier liquid formed of a vegetable oil, and an antioxidant formed of a phosphorous acid ester compound. ... | 10/27/2009 |
| 7608376 | Method of manufacturing liquid developer, liquid developer, and image forming apparatus A method of manufacturing a liquid developer includes associating fine particles mainly containing a resin material so as to obtain associated particles, and disintegrating the associated particles in an insulation liquid so as to obtain toner particles. ... | 10/27/2009 |
| 7544458 | Composition, method and device for liquid electrophotographic printing A UV-curable composition and liquid toner useful for electrophotographic printing, a method of electrophotographic printing and a device for electrophotographic printing are disclosed. A UV-curable composition and UV-curable liquid toner useful for electrophotograph... | 06/09/2009 |
| 7374852 | Liquid toner composition and preparation method of the same A liquid toner composition and a preparation method utilize a colorant, an organosol, a charge control agent, a carrier liquid, a dispersion assistant agent, and a photoreactive catalyst, in which the dispersion assistant agent is a polymer including an unsaturated ... | 05/20/2008 |
| 7371496 | Liquid toner for electrophotography and method of preparing the same A liquid toner for electrophotography and a method of preparing the liquid toner are disclosed. The liquid toner includes a carrier liquid, an organosol, a colorant, a charge controlling agent (CCA), and (meth)acrylic (co)polymer soluble in the carrier liquid. The l... | 05/13/2008 |
| 7354691 | Imaging apparatus and improved toner therefor The invention relates to a liquid toner and imaging apparatus provided with an imaging surface having a liquid toner image formed thereon on fibrous toner particles and carrier liquid. The fibrous toner particles can be composed of a polymer portion and pigment disp... | 04/08/2008 |
| 7347892 | Phase change inks containing modified pigment particles Disclosed is a phase change ink composition comprising (a) an ink carrier comprising (1) a polyalkylene wax and (2) a component selected from the group consisting of (A) amides, (B) esters, (C) ester-amides, (D) urethanes, (E) ureas, (F) urethane-ureas, and (G) mixt... | 03/25/2008 |
| 7314696 | Electrophotographic toner and development process with improved charge to mass stability Toners and developers are disclosed. The toner of the present invention contains at least one toner resin, at least one charge control agent, at least one surface treatment agent, and optionally at least one release agent and/or colorant. The toners of the present i... | 01/01/2008 |
| 7303848 | Liquid toners comprising amphipathic copolymeric binder and soluble polymers for electrographic applications The invention provides liquid electrographic toner compositions comprising a liquid carrier having toner particles and at least one soluble polymer dispersed in the liquid carrier. The liquid carrier has a Kauri-Butanol number less than about 30 mL. The toner partic... | 12/04/2007 |
| 7300971 | Particle composition, recording method, and recording apparatus using the particle composition A composition comprises a non-aqueous solvent containing reverse micelle particles formed of block polymers having amphipathic properties. A particle composition and a composition wherein particles are dispersed, which exhibits excellent dispersion properties and ca... | 11/27/2007 |
| 7288589 | Pigment dispersions for solventborne coatings with improved rheology A pigment dispersion with improved rheology useful for forming solventborne paint compositions is disclosed. The dispersion comprises a copolymer pigment dispersant having at least one quaternary ammonium functional group; a pigment having a pH below 7.0; and an org... | 10/30/2007 |
| 7286279 | Microencapsulation processes and compositions for electrophoretic displays The present invention is directed to a method for improving the performance of an electrophoretic display, which method comprises adding a fluorinated quaternary nitrogen salt in either the internal phase or the continuous phase in a microencapsulation process for t... | 10/23/2007 |
| 7244540 | Liquid toners comprising amphipathic copolymeric binder having insoluble components in the shell portion thereof The invention provides liquid electrographic toner compositions comprising a liquid carrier having toner particles dispersed in the liquid carrier. The liquid carrier has a Kauri-Butanol number less than about 30 mL. The toner particles comprise polymeric binder com... | 07/17/2007 |
| 7229736 | Liquid electrophotographic toners comprising amphipathic copolymers having acidic or basic functionality and wax having basic or acidic functionality The invention provides liquid electrographic toner compositions comprising a liquid carrier having toner particles dispersed in the liquid carrier. The liquid carrier has a Kauri-Butanol number less than about 30 mL. The toner particles comprise polymeric binder com... | 06/12/2007 |
| 7220528 | Amphipathic polymer particles and methods of manufacturing the same The invention is directed to amphipathic polymeric particles that serve as both the dispersant and the binder in water based inks, ink compositions containing these particles, and methods for making the particles. The polymeric particles contain both hydrophilic and... | 05/22/2007 |
| 7211205 | High conductivity inks with improved adhesion Conductive ink compositions which can be cured to highly conductive metal traces by means of “chemical welding” include adhesion promoting additives for providing improved adhesion of the compositions to various substrates. ... | 05/01/2007 |
| 7208255 | Powder-coated toner particles and method of making same A color toner composition for developing latent electrostatic images includes nanopowder-coated toner particles, the powder-coated toner particles being characterized in that each comprises a core toner particle having a volume average diameter, Dp, and t... | 04/24/2007 |
| 7195852 | Liquid toner compositions comprising an amphipathic copolymer comprising a polysiloxane moiety The invention provides liquid toner compositions in which the polymeric binder is chemically grown in the form of copolymeric binder particles dispersed in a liquid carrier. The polymeric binder includes one amphipathic copolymer comprising one or more S material po... | 03/27/2007 |
| 7186491 | Negatively charged coated electrographic toner particles Negatively charged coated toner particles are provided that comprise a plurality of polymeric binder particles that are substantially free of negatively charged pigment and a coating material comprising at least one negatively charged pigment coated on the outside s... | 03/06/2007 |
| 7187885 | Oxidation of volatile organic compounds in electrographic printing An apparatus for oxidizing volatile organic compounds from an electrographic printer may comprising a) a printer system that vents a gas stream containing volatile organic compounds to a first inlet; b) a first mast transfer element transmitting the gas stream to a ... | 03/06/2007 |
| 7183240 | Additives for inhibiting the formation of gas hydrates The present invention relates to an additive, and its use for inhibiting nucleation, growth and agglomeration of gas hydrates by adding an effective amount of an inhibitor to a multiphasic mixture which tends to hydrate formation and consists of water, gas and optio... | 02/27/2007 |
| 7183031 | Positively charged coated electrographic toner particles Positively charged coated toner particles are provided that comprise a plurality of polymeric binder particles that are substantially free of positively charged pigment and a coating material comprising at least one positively charged pigment coated on the outside s... | 02/27/2007 |
| 7183030 | Negatively charged coated electrographic toner particles and process Negatively charged coated toner particles are provided that comprise a polymeric binder particle and a coating material. The coating material comprises at least one visual enhancement additive coated on the outside surface of the polymeric binder particle. Electrogr... | 02/27/2007 |
| 7166405 | Organosol including high Tg amphipathic copolymeric binder and liquid toners for electrophotographic applications The invention provides liquid toner compositions in which the polymeric binder is chemically grown in the form of copolymeric binder particles dispersed in a liquid carrier. The polymeric binder includes one amphipathic copolymer comprising one or more S material po... | 01/23/2007 |
| 7144671 | Adjuvants for negatively charged toners Negative liquid electrographic toner compositions are provided comprising a liquid carrier having a Kauri-Butanol number less than about 30 mL and a plurality of negatively charged toner particles dispersed in the liquid carrier. The toner particles comprise a polym... | 12/05/2006 |
