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| Number | Title | Issue Date |
| 8145116 | Electrostatographic apparatus having improved transport member The present invention is an electrostatographic reproduction apparatus which includes a primary imaging member for producing an electrostatic latent image on a receiver, a development station for applying toner particles to said latent image which forms a developed ... | 03/27/2012 |
| 8012915 | Fuser fluid The present invention is a release oil of the general formulae: wherein (Z) is an amine. The solvent extracted portion of the release oil has a ratio of A:B less than 1:5. Less than 10% of the molecular weight distribution ... | 09/06/2011 |
| 7976658 | Method of manufacturing a low cost intermediate transfer member The present invention is a process for making an intermediate transfer member. The process includes forming an endless belt by seaming two ends of a substrate material to form a seam. A smoothing layer is applied on top of the endless belt using a rotary cast proces... | 07/12/2011 |
| 7973103 | Fuser roller composition The present invention discloses a fuser roller composition that contains a fluorocopolymer, an aliphatic ketone organic solvent, metal oxide particles, and a benzyltriphenylphosphonium phenolate salt curing agent. To this composition is added a sufficient amount of ... | 07/05/2011 |
| 7964328 | Condensation polymer photoconductive elements The present invention relates to photoconductive elements having an electrically conductive support, an electrical barrier layer and, disposed over the conductive layer, a charge generation layer capable of generating positive charge carriers when exposed to actinic... | 06/21/2011 |
| 7955690 | Sleeved fuser member A fuser member is described wherein the fuser member includes a core, a cushion comprising a first layer adjacent to the core and a second layer on top of the first layer, and a plastic sleeve. Also described is a process for producing a fuser member, which includes... | 06/07/2011 |
| 7943277 | Sol gel overcoats incorporating zinc antimonate nanoparticles The present invention is directed to an electrophotographic element that comprises: an electrically conducting layer, a charge generating layer overlying the electrically conducting layer, and a charge transport layer overlying the electrically conducting layer. The... | 05/17/2011 |
| 7937023 | Method and a composition for producing an undercoat layer using dialkyl malonate blocked isocyanates (for electrophotographic applications) A method and a composition for the production of surface smoothing polyurethane layers for application to a substrate prior to subsequent application of a charge generation layer for electrophotographic applications by preparing a coating solution containing a dialk... | 05/03/2011 |
| 7923184 | Photoconductors containing trimellitimide esters The present invention is an electrophotographic photoconductor having a photosensitive layer on a conductive substrate. The photosensitive layer contains trimellitimide esters additives. ... | 04/12/2011 |
| 7914963 | Toner composition The present invention is a toner that includes a polymeric binder and a polyethylene wax or ester wax. A dispersing agent of poly(ethylene vinyl acetate) is included in the toner that dispersed the wax and reduces the amount of free wax particles. ... | 03/29/2011 |
| 7892713 | Photoconductors containing terephthalate esters The present invention is an electrophotographic photoconductor having a photosensitive layer on a conductive substrate. The photosensitive layer contains terephthalate esters additives. ... | 02/22/2011 |
| 7892160 | Double sleeved electrophotographic member The present invention provides a double-sleeved roller for use in an electrostatographic machine. The double-sleeved member includes a cylindrical rigid core member. A removable inner sleeve member (ISM) is provided that includes a compliant layer that surrounds and... | 02/22/2011 |
| 7888410 | Method of making porous particles The present invention is a method for the preparation of porous particles that includes dissolving a polymer material in a first organic solvent and adding a second organic solvent and nonionic organic polymer particles to form an organic phase. The organic phase is... | 02/15/2011 |
| 7887984 | Toner porous particles containing hydrocolloids The present invention is toner particle that includes a continuous phase of binder polymer and a second phase of hydrocolloid. The particle has a porosity of at least 10 percent. ... | 02/15/2011 |
| 7867679 | Porous particles The present invention is toner particle that includes a binder resin and nonionic organic polymer particles. The particle has porosity. ... | 01/11/2011 |
| 7867603 | Coextruded toner receiver layer for electrophotography The invention relates to a toner receiver member comprising a base, at least one tie layer adjacent to said base, and at least one toner receiver layer adjacent said at least one tie layer on the side opposite to the base, wherein said at least one toner receiver la... | 01/11/2011 |
| 7858161 | Fusible porous polymer particles for inkjet receivers The present invention is an inkjet recording element including a support having thereon an image-receiving layer having porous fusible polymeric particles including a continuous phase binder polymer and a second phase including hydrocolloid, wherein the particles ha... | 12/28/2010 |
| 7776500 | Monomeric glass mixtures incorporating tetracarbonylbisimide group The present invention is a photoconductive element that includes an electrically conductive support, an electrical barrier layer disposed over said electrically conductive support, and disposed over said barrier layer, a charge generation layer capable of generating... | 08/17/2010 |
| 7769338 | Electrostatographic apparatus having improved transport member The present invention is an electrostatographic reproduction apparatus which includes a primary imaging member for producing an electrostatic latent image on a receiver, a development station for applying toner particles to said latent image which forms a developed ... | 08/03/2010 |
| 7754409 | Toner manufacturing method The present invention is a method of manufacturing toner particles that includes providing a first emulsion of a first aqueous phase comprising a pore stabilizing hydrocolloid dispersed in an organic solution containing a polymer. The first emulsion is dispersed in ... | 07/13/2010 |
| 7754315 | Marking enhancement layer for toner receiver element The invention relates to a toner receiver element comprising a marking enhancement layer comprising inorganic particles and a polymer film-forming binder. ... | 07/13/2010 |
| 7732116 | Photoconductors containing N-arylphthalimides The present invention is an electrophotographic photoconductor having a photosensitive layer on a conductive substrate. The photosensitive layer contains N-arylphthalimides additives. ... | 06/08/2010 |
| 7696270 | Method of manufacturing a wax dispersion The present invention is method of manufacturing a wax dispersion. The method includes forming a solution of a solvent and a dispersant, the dispersant being a polymer of partially or fully hydrogenated styrene butadiene wherein the styrene to butadiene ratio is fro... | 04/13/2010 |
| 7687218 | Silicone wax-containing toner particles with controlled morphology The present invention is a method for the preparation of electrostatographic toner including the following steps. A first dispersion is prepared with a solvent, a silicone wax, and a hyperdispersant. The first dispersion is added to an organic solvent containing a p... | 03/30/2010 |
| 7687213 | Custom color toner The present invention provides a custom color toner having a first particle size. Colored particles are attached to the surface of the base toner in an amount sufficient to provide a predetermined color to the base toner. The colored particles have a second particle... | 03/30/2010 |
| 7687136 | Fuser-oil sorbent electrophotographic toner receiver layer The invention relates to an image receiving element comprising in order a support, at least one polyolefin resin coating and at least one toner receiver layer, wherein said toner receiver layer comprises a fuser-oil sorbent additive and a thermoplastic polymer and s... | 03/30/2010 |
| 7678445 | Extruded toner receiver layer for electrophotography The invention relates to a receiver sheet for electrophotography comprising a base material having thereon at least one toner receiver layer comprising a mixture of polyolefin and at least one member selected from the group consisting of polyolefin copolymers, amide... | 03/16/2010 |
| 7670650 | Method for producing a replaceable fuser member A method for producing a replaceable fuser member including a thin, seamless or welded high temperature nickel sleeve, a base cushion positioned around the sleeve and an outside topcoat applied over the base cushion elastomer layer. The sleeve is replaceable on a ma... | 03/02/2010 |
| 7670642 | Method of powder coating for offset prevention in electrophotographic printers The present invention provides a method of printing which includes providing a substrate having an inked surface. The inked surface is typically achieved using an offset lithographic printing press. A thermoplastic polymer powder is applied to the inked surface. The... | 03/02/2010 |
| 7666329 | Biasable transfer composition and member The invention provides conductivity control agent comprised of a polymeric material containing hydroxyalkylphosphonium (2-hydoxyethoxycarbonyl) arylsulfonate salts. The conductivity control agents can be used with semi-conductive rolls, belts and other biasable memb... | 02/23/2010 |
| 7662535 | Toner particles of controlled morphology The present invention is a method for the preparation of electrostatographic toner that includes the following steps. A polymer material is dissolved in an organic solvent to form an organic phase that includes a metal complex of zinc dimethyldithiocarbamate; zinc d... | 02/16/2010 |
| 7655375 | Toner particles of controlled morphology The present invention is a method for the preparation of electrostatographic toner including the following steps. A polymer material is dissolved in an organic solvent to form an organic phase. The organic phase is dispersed in an aqueous phase that includes a parti... | 02/02/2010 |
| 7641819 | Biasable transfer composition and member The present invention provides conductivity control agents derived from the trans esterification of dialkyl phosphonium 5-sulfoisophthalate salts with poly(alkylene glycols). The conductivity control agents can be used with semi-conductive rolls, belts and other bia... | 01/05/2010 |
| 7629097 | Encapsulated toner compositions incorporating organic monomeric glasses The present invention is an electrostatographic core shell toner which includes as a core material of at least two nonpolymeric compounds each independently corresponding to the structure (R1Y1)p[(Z1Y2)m | 12/08/2009 |
| 7601473 | Toner The invention relates to a developer for developing electrostatic images. The developer includes magnetic carrier particles at a loading of from 60 to 99 weight percent of the developer. Toner particles are at a loading of 1 to 40 weight percent of the developer. Th... | 10/13/2009 |
| 7596347 | Separating agent for use in a fuser mechanism A separating agent, in particular silicon oil, applied to the surface of a fuser mechanism, preferably in an electrophotographic printing machine. Contamination of the surfaces of the printing media is substantially prevented or reduced when the separating agent is ... | 09/29/2009 |
| 7579127 | Blocked polyisocyanates incorporating planar electron-deficient tetracobonylbisimide moieties The present invention is a photoconductive element containing an electrically conductive support, an electrical barrier layer disposed over said electrically conductive support and a charge generation layer capable of generating positive charge carriers when exposed... | 08/25/2009 |
| 7565091 | Electrophotographic apparatus The present invention is an apparatus for refurbishing a fusing member. The apparatus includes a fusing member that contacts the toner image on a receiver medium and fuses the toner image to the receiver medium. The fusing member has an outer contact surface of a fl... | 07/21/2009 |
| 7550244 | Reactive polymer particles and method of preparation The present invention provides a method for the preparation of a UV curable electrostatographic toner. The process includes the steps of dispersing a polymeric material and a UV curable material and a UV photoinitiator in an organic solvent to form an organic phase.... | 06/23/2009 |
| 7550240 | Newtonian, ultrasonic-insensitive charge generating layer dispersion composition and a method for producing the composition This invention relates to electrophotographic elements containing a layer formed from coating compositions containing a mixture of polymeric binders, including a polyvinyl butyral and a polyester ionomer and a crystalline mixture of unsubstituted titanyl phthalocyan... | 06/23/2009 |
