Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 8163457 | Process for preparing toner for electrophotography A process for preparing a toner for electrophotography containing mother toner particles which contain a resin binder containing a crystalline polyester and a linear amorphous polyester and an external additive, wherein the process includes an external addition step... | 04/24/2012 |
| 8137888 | Method of preparing toner having controlled morphology A method for the preparation of shaped polymeric particles, and in a particular embodiment shaped electrostatographic toner particles, of controlled morphology including the following steps. A selected solvent or solvent mixture is used to dissolve a polyester polym... | 03/20/2012 |
| 8110332 | Electrophotographic toner and method for producing the electrophotographic toner Provided are an electrophotographic toner and a method for producing the electrophotographic toner that satisfy high image quality, cleaning stability, and high productivity. The electrophotographic toner is produced by spray-drying a toner ingredient-contain... | 02/07/2012 |
| 8076051 | Method for preparing resin and particulate material, toner prepared by the method, developer including the toner, toner container, and process cartridge, image forming method and apparatus using the developer A method for preparing a particulate image forming material such as toner, which includes providing a particulate material including a chain transfer agent; and contacting the particulate material with at least one of a supercritical fluid and a sub-critical fluid u... | 12/13/2011 |
| 8034526 | Method for manufacturing toner and toner A method for manufacturing a toner, including: dissolving or dispersing toner constituents including a resin, a colorant, a release agent, and a graft polymer including a polyolefin resin unit and a vinyl resin unit in a solvent, to prepare a toner constituent liqui... | 10/11/2011 |
| 8029966 | Releasing agent dispersion The present invention relates to a releasing agent dispersion for toner including a releasing agent, and a dibasic acid containing an alkyl group and/or an alkenyl group or a salt of the dibasic acid, wherein at least one acid group of the dibasic acid is a carboxyl... | 10/04/2011 |
| 8007978 | Aqueous dispersions for use as toners A compound that includes an aqueous dispersion, wherein the dispersion includes a thermoplastic resin and at least one stabilizing agent, and at least one selected from the group consisting of a colorant and a magnetic pigment, wherein the dispersion has an average ... | 08/30/2011 |
| 7977024 | Solvent-free toner making process using phase inversion A process for making toner particles comprising: (a) forming an emulsion comprising a disperse phase including a first aqueous composition and a continuous phase including molten one or more ingredients of a toner composition, wherein there is absent a toner resin s... | 07/12/2011 |
| 7927777 | Method for producing resinous particles There is provided a method for producing resinous particles, containing: melting a mixture containing a binder resin and at least one additive having a melting point lower than T1/2 of the binder resin so as to prepare a molten material; atomizing resinous particles... | 04/19/2011 |
| 7897317 | Method for producing core material of electrophotographic ferrite carrier and resin-coated ferrite carrier The present invention provides a method for producing a core material of an electrophotographic ferrite carrier, by charging a raw powder with an average particle size of 20 to 50 μm obtained by preparing raw materials for ferrite into a combustion flame along with... | 03/01/2011 |
| 7820353 | Method for producing toner A method for producing a toner, including at least the following steps: step (A): pulverizing a negatively chargeable charge control resin that does not soften at a temperature of 180° C. or lower to an average particle size of from 0.05 to 2 μm; step (B): melt-kn... | 10/26/2010 |
| 7790344 | Method of preparing powder and toner for electrophotography, and toner therefor A method of preparing a powder, including bombarding a spray gas to a liquid material through a spray nozzle to form an atomized liquid material; and solidifying the atomized liquid material, wherein 5 to 40% by weight of the spray gas are previously mixed with the ... | 09/07/2010 |
| 7776503 | Particles and manufacturing method thereof, toner and manufacturing method thereof, and developer, toner container, process cartridge, image forming method and image forming apparatus The present invention provides a method for manufacturing particles, where a viscous material is sprayed with a high-pressure gas for atomization while the viscous material is being discharged in a chamber, and cooling air is introduced in the chamber for granulatio... | 08/17/2010 |
| 7709175 | Method for producing a toner, and toner The object of the present invention is to provide a method for producing a toner which includes ejecting a toner composition fluid containing a toner composition which contains a toner and a colorant, from a nozzle vibrated at a constant frequency to make the toner ... | 05/04/2010 |
| 7691553 | Method for manufacturing toner A kneaded material obtained by heating and melt-kneading a toner composition and a water-based medium containing water are put into a container of a granulating apparatus, and heated by a heater while agitating, to disperse the kneaded material into the water-based ... | 04/06/2010 |
| 7662534 | Apparatus for producing toner precursor, and method for the same, fibrous toner precursor, apparatus for producing toner, and method for producing electrophotographic toner and fine resin particles To provide a method including processing electrophotographic toner constituent material to a fibrous fine precursor and pulverizing and cutting it to obtain a uniform fibrous toner with energy efficiency in an apparatus for producing electrophotographic toner includ... | 02/16/2010 |
| 7611816 | Process for producing toner particles In a process for producing toner particles through granulation by a wet process, a process for producing toner particles is provided that enables reduction of water content in wet toner particle cakes obtained by separating toner particles from a toner particle disp... | 11/03/2009 |
| 7601477 | Toner manufacturing method, toner manufacturing apparatus, and toner A method of manufacturing a toner by using a liquid dispersion in which a dispersoid containing a material for manufacturing a toner is dispersed in a dispersion medium, and containing a dispersant having a function of improving the dispersibility of the dispersoid,... | 10/13/2009 |
| 7572566 | Toner for development and method of producing toner According to the method of producing toner, toner is produced by (i) forming particles of a pigmented resin by applying shear stress to a mixture of a pigmented resin composition, an organic solvent, a polymer dispersing agent, and a hydrophobic medium, the organic ... | 08/11/2009 |
| 7553599 | Toner, method of preparing the toner and apparatus for preparing the toner A toner, a method of and an apparatus for preparing a permanently-charged electret toner, including discharging a solution or dispersion including a resin and a colorant through a nozzle vibrating at a constant frequency to form a droplet; applying a direct potentia... | 06/30/2009 |
| 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 |
| 7494757 | Ultra low melt toners comprised of crystalline resins A toner having an amorphous resin, a crystalline resin, and a colorant, wherein the crystalline resin has a melting temperature of at least 70° C. and a recrystallization point of at least 47° C. exhibits improved document offset properties and improved heat cohes... | 02/24/2009 |
| 7455947 | Yellow toner, image forming apparatus and a method for producing a toner The present invention provides a yellow toner which is excellent in transparency of an image formed on an OHP sheet, excellent in color reproducibility even when a light-pressure fixing unit is employed, excellent in coloring power and charge property, and is reduce... | 11/25/2008 |
| 7439004 | Methods for washing and dewatering toner Methods include washing and de-watering toner particles using a horizontal filter press. ... | 10/21/2008 |
| 7432032 | Toner, production process for the same, and image forming method To provide a toner production process in which at least radically polymerizable monomers are polymerized in at least one of a supercritical fluid and a subcritical fluid to thereby produce toner particles, wherein a polymer of the radically polymerizable monomers is... | 10/07/2008 |
| 7429442 | Toner, and two component developer and image forming apparatus using the toner A toner is provided that contains a binder resin; a colorant; a release agent; and an external additive, wherein the toner has an average circularity of from 0.940 to 0.965 and a crater having a depth of from 0.02 to 0.1 μm, and wherein the crater has an amount of ... | 09/30/2008 |
| 7419756 | Dry toner, method for manufacturing the same, image forming apparatus, and image forming method A dry toner contains fine particles having average sphericity of 0.93 to 0.99, a content of the fine particles having a particle diameter of 2 μm or less in the dry toner is 20% by number or less. A method for manufacturing a dry toner includes a process for disper... | 09/02/2008 |
| 7416829 | Toner manufacturing method, toner manufacturing apparatus, and toner A method of manufacturing a toner by using a liquid dispersion in which a dispersoid containing a material for manufacturing a toner is dispersed in a dispersion medium, and containing a dispersant having a function of improving the dispersibility of the dispersoid,... | 08/26/2008 |
| 7396625 | Toner, method for producing the same, and image-forming method using the same To provide a method for producing a toner in which at least monomers are polymerized in at least one of a supercritical fluid and a subcritical fluid to thereby produce toner particles, wherein at least one of the supercritical fluid and the subcritical fluid contai... | 07/08/2008 |
| 7396627 | Method of preparing a toner, developer including the toner, container containing the toner, and image forming method and process cartridge using the toner A method including contacting a toner including: a binder resin including an unsaturated carboxylic acid derivative monomer; a vinyl polymerizing monomer; and a colorant; to a supe... | 07/08/2008 |
| 7390607 | Toner, production process for the same, and image forming method To provide a toner production process in which at least radically polymerizable monomers are polymerized in at least one of a supercritical fluid and a subcritical fluid to thereby produce toner particles, wherein a polymer of the radically polymerizable monomers is... | 06/24/2008 |
| 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 |
| 7374848 | Toner and method or preparing the toner A toner including a binder; a colorant; and a wax, wherein the binder includes a polyester resin; and a reaction product of a polymer having a group capable of reacting with an active hydrogen with a compound having an active hydrogen, wherein the polyester resin in... | 05/20/2008 |
| 7371498 | Extrusion drying process for toner particles useful in electrography The present invention relates to methods of drying and recovering toner particles from a liquid carrier. The methods are very effective to generate discrete, substantially non-agglomerated dry toner particles in a manner that preserves the particle size and particle... | 05/13/2008 |
| 7368212 | Toner for developing electrostatic image, developer, image forming apparatus, process for forming image, process cartridge and process for measuring porosity of toner A toner for developing an electrostatic image, includes: a colorant; and a binder resin. The toner has a particle including at least one pore having a diameter of 10 nm or over, and a porosity thereof is in a range from 0.01 to 0.60. ... | 05/06/2008 |
| 7364826 | Electrostatic latent image developing toner, and method for manufacturing electrostatic latent image developer and electrostatic latent image developing toner There is provided an electrostatic latent image developing toner including a binder resin, a colorant, and a release agent, wherein the shape factor SF1 of the toner is within the range from 110 to 140, the volume average particle size of the toner is within the ran... | 04/29/2008 |
| 7354689 | Process for producing toner A waste toner reclamation process includes collecting waste toner, screening the collected waste toner, meltmixing the screened waste toner with a second toner, and extruding, grinding and classifying the mixed toner product, wherein the collected waste toner compri... | 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 |
| 7351510 | Toner for electrophotography A toner for electrophotography, containing a low-softening point polyester-based resin having a softening point of from 80° to 120° C.; and a high-softening point polyester-based resin having a softening point of higher than 120° C. and 160° C. or lower, wherein... | 04/01/2008 |
| 7344817 | Drying process for toner particles useful in electrography The present invention relates to methods of drying and recovering toner particles from a liquid carrier. The methods are very effective to generate discrete, substantially non-agglomerated dry toner particles in a manner that preserves the particle size and particle... | 03/18/2008 |
