Celebrity Inventors
Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8168360 | External additive, toner, and image forming apparatus To a toner used in an image forming apparatus is added an external additive whose main components are oxide fine particles in which dimethylsilyl groups are introduced to surfaces thereof, and whose volatilizing amount of octamethylcyclotetrasiloxane in a first vola... | 05/01/2012 |
| 8114560 | Toner, image forming apparatus, image forming method, and process cartridge using the toner The present invention provides a toner containing at least a binder resin, a releasing agent, and a colorant, wherein the binder resin contains at least a polyester resin (A) having a softening point Tm (A) of 120° C. to 160° C., a polyester resin (B) having a sof... | 02/14/2012 |
| 8084177 | 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. ... | 12/27/2011 |
| 8029959 | Charge control agent and toner comprising the same Taught herein is a charge control agent comprising a specific type of gallic acid metal complex represented by the following Chemical Formula (1) or Chemical Formula (2): In the formula (1), R1 represents an alkyl ... | 10/04/2011 |
| 7892714 | Toner particles having nano-sized composites containing polymer modified clays 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. ... | 02/22/2011 |
| 7875412 | Positive electrified charge control agent and positive electrified toner for developing electrostatic image A positive electrified charge control agent comprising a silicon complex compound of an effective component represented by the following chemical formula (I) and/or chemical formula (II) (in the formula (I) and formula (II)... | 01/25/2011 |
| 7807326 | Printing semiconducting components A toner particle for use in electrostatic printing of a semiconducting electronic device, the particle comprising: a resin; and non-organic semiconductor particles dispersed in the resin. ... | 10/05/2010 |
| 7799498 | Toner used for image forming apparatus The present invention provides an image forming apparatus capable of stably producing high quality images with time, without causing missing a central part of a thin line, however, with keeping an appropriate flowability of a toner. The toner used in the image formi... | 09/21/2010 |
| 7611813 | Toner and image forming method Provided a toner including at least: toner particles each containing at least a binder resin, a release agent, and a colorant; and an inorganic fine powder, in which: a degree of aggregation Y1 at a time of compression (200 kpa) of the toner satisfies a relat... | 11/03/2009 |
| 7592114 | Color toner for non-magnetic mono-component system for increasing printing quality and a method for preparing the same The present invention relates to a color toner for a nonmagnetic mono-component printing system that improves the printing characteristics, and a preparation method thereof. More specifically, the present invention provides a color toner including a first coating la... | 09/22/2009 |
| 7569318 | Use of salts of layered double hydoxides A layered double hydroxide salt as a charge control agent in electrophotographic toners and developers, in powder coating materials, electret materials and in electrostatic separation processes of chargeable materials, such as polymers, wherein the double hydroxide ... | 08/04/2009 |
| 7537875 | Toner In a toner having toner particles which comprise toner base particles containing at least a colorant, a release agent and a polar resin, and an inorganic fine powder, the polar resin is a resin having at least a polyester unit, synthesized in the presence of an arom... | 05/26/2009 |
| 7524600 | Electrophotographic toner Provided is a toner not undergoing the effect of change of temperature and humidity, with high charging stability and having good fixing property and releasability. This is an electrophotographic toner containing at least a binder resin, a colorant, a charge control... | 04/28/2009 |
| 7501218 | Electrostatographic toner containing organometallic dimethyl sulfoxide complex charge control agent The present invention is an electrostatographic toner that includes an organometallic complex of dimethyl sulfoxide with a metal salt as a charge control agent having the structure; (M+n)x ((CH3)2SO2) | 03/10/2009 |
| 7479360 | Electric charge controlling agent, toner for developing electrostatic charge image containing the same, and method for forming image using the toner The charge control agent comprises aggregate particles including an azo-type iron complex salt represented by the following chemical formula [VI] (in the chemical formula [VI], B+ is (H+)x(N... | 01/20/2009 |
| 7449273 | Toner containing unsaturated polyester in binder resin, method for preparing the toner, and developer including the toner A toner including a binder resin comprising a polyester resin in an amount of from 50 to 100% by weight, wherein the polyester resin includes an unsaturated polyester resin which is preferably a crystalline polyester resin; a colorant; and a fatty acid metal salt wh... | 11/11/2008 |
| 7422832 | Magnetic toner Provided is a magnetic toner comprising magnetic toner particles each comprising at least a binder resin and a magnetic iron oxide, the magnetic toner being excellent in developability and environmental stability, and being capable of reducing a toner consumption. A... | 09/09/2008 |
| 7402368 | Hydrophobic inorganic fine particles, hydrophobic inorganic fine particles production process, and toner Hydrophobic inorganic fine particles characterized by being a mixture of at least small-particle-diameter inorganic fine particles having an average primary particle diameter of 5 to 25 nm and having a maximum peak particle diameter of 20 nm or less and large-partic... | 07/22/2008 |
| 7399567 | Toner for electrostatic latent image development, electrostatic latent image developer containing the toner, and image formation method using the developer A toner for electrostatic latent image development containing at least a binder resin and a colorant, wherein [Fe]/[C] satisfies the following formula (1) where [C] indicates the carbon content (%) and [Fe] indicates the iron content (%) of the toner determined thro... | 07/15/2008 |
| 7390603 | Image forming apparatus and toner The present invention provides An image forming apparatus having: a negatively chargeable spherical toner; an latent image carrier; a charging member for charging a surface of the latent image carrier uniformly without contacting the latent image carrier; an electro... | 06/24/2008 |
| 7390604 | Negatively chargeable spherical toner, color image forming apparatus, and process for producing negatively chargeable spherical toner The present invention provides a negatively chargeable spherical toner having: a toner mother particle having a binder resin and a colorant, which has: a number average particle size of from 4.5 to 9 μm; a particle size distribution that has an integrated value of ... | 06/24/2008 |
| 7387670 | Pigment preparations based on phthalocyanine pigments A pigment preparation comprising at least one copper phthalocyanine pigment from the group of C.I. Pigment Blue 15, 15:0, 15:1,15:2, 15:3, 15:4, and 15:6, and at least one pigment dispersant of the formula (I), in which n i... | 06/17/2008 |
| 7384722 | Method for preparing functional particulate organic material, toner using the functional particulate organic material, and image forming method and apparatus using the toner A method for preparing a functional particulate organic material, including providing a suspension of a particulate organic material having an acid group on a surface thereof; reacting a metal cation with tri- or more-valence with the acid group; and reacting at lea... | 06/10/2008 |
| 7371495 | Toner A toner is formed of toner particles including a polyester resin as a principal component, and at least a colorant and a charge control agent, and externally added inorganic fine particles and organic fine particles. The toner has a volume-average diameter of 4 to 1... | 05/13/2008 |
| 7365129 | Polymer systems with reactive and fusible properties for solid freeform fabrication A powder system for use in solid freeform fabrication. The powder system includes at least one polymer having reactive properties and fusible properties. The at least one polymer is reactive with a liquid binder and is fusible at a temperature above the melting poin... | 04/29/2008 |
| 7365039 | Morphology controlled olefin polymerization process A catalyst composition, method of formation and process of use in the polymerization of olefin monomers, said composition comprising a catalyst compound, an activator capable of converting said catalyst compound into an active catalyst for addition polymerization, o... | 04/29/2008 |
| 7354687 | Dry toner blended with wax Dry electrographic toner compositions are provided comprising a plurality of dry toner particles, wherein the toner particles comprise polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D materia... | 04/08/2008 |
| 7354688 | Toner compositions with surface additives A toner composition includes a binder, a colorant, and a surface additive package including a polydimethylsiloxane surface treated silica, a surface treated titania, and calcium sterate. The toner composition provides improved triboelectric charging properties. ... | 04/08/2008 |
| 7351388 | Pyrogenically produced silicon dioxide powder Pyrogenically produced silicon dioxide powder in the form of aggregates of primary particles having a BET surface area of 300±25 m2/g, wherein the aggregates display an average surface area of 4800 to 6000 nm2, an average equivalent circle dia... | 04/01/2008 |
| 7344813 | Emulsion aggregation toner having gloss enhancement and toner release A toner includes particles of a resin, an optional colorant, a first wax and a second wax, where the toner particles are prepared by an emulsion aggregation process. Additional waxes can also be added for different properties. ... | 03/18/2008 |
| 7335316 | Plastic magnet precursor, production method for the same, and plastic magnet A plastic magnet precursor which can be supplied in molding a plastic magnet with a constant composition without requiring kneading in which a resin is melted and sheared. Through injection molding using the precursor, a plastic magnet having little deterioration of... | 02/26/2008 |
| 7333744 | Image forming apparatus that charges a photosensitive member by superimposing an alternate current bias voltage on a direct current bias voltage as the charge bias voltage A charge apparatus charges by uniformly superimposing an alternate current bias voltage with a fixed frequency over a direct current bias voltage as the charge bias voltage on a photosensitive member. An exposure apparatus exposes the surface of the charged photosen... | 02/19/2008 |
| 7332144 | Hydrophobic silica fine powder and making method A hydrophobic silica fine powder is prepared by premixing a hydrophilic silica fine powder with a dimer diol siloxane or cyclic siloxane as a hydrophobizing agent, mixing them in a ball mill for achieving dispersion and for achieving cleavage or disintegration and c... | 02/19/2008 |
| 7327974 | Electrophotographic toner and image-forming system An electrophotographic toner for visualizing an electrostatic latent image formed by an electrophotographic process, an electrostatic printing process, an electrostatic recording process, etc., which is produced in consideration of the environment and safety. The el... | 02/05/2008 |
| 7324118 | Super imposed image display color selection system and method An optimal pen color is automatically selected for a given background color based upon a predetermined relative distance in the Munsell color-order system. The predetermined distance is defined in terms of saturation, hue and or lightness. In general, sufficient vis... | 01/29/2008 |
| 7320850 | Magenta toner A magenta toner is provided which contains at least a binder resin, a colorant, and a wax, in which a maximum heat-absorption peak temperature as measured using a differential scanning calorimeter, a reflectance at a predetermined wavelength when measured in a powde... | 01/22/2008 |
| 7318987 | Dry toner comprising entrained wax Dry electrographic toner compositions are provided comprising a plurality of dry toner particles, wherein the toner particles comprise polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D materia... | 01/15/2008 |
| 7316881 | Method of producing a custom color toner A method of producing a custom color particulate toner for use in a two-component developer by mixing two or more component color toners. The component color toners are each surface treated with a blend of two or more types of silica particles, which differ in the f... | 01/08/2008 |
| 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 |
| 7312009 | Color toner having low contamination of charging elements The present invention relates to a non-magnetic mono-component toner comprising a toner mother particle, and a coating layer formed on the mother particle where the coating layer comprises fatty acid metal salt having average particle size of 0.05 to 3.0 μm, a firs... | 12/25/2007 |
