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| Number | Title | Issue Date |
| 8187784 | Toner composition and method for manufacturing the toner composition A toner composition including toner particles, wherein the toner particles are prepared by a method in which toner constituents including at least a binder resin and a colorant are kneaded upon application of heat to prepare a toner constituent mixture; the toner co... | 05/29/2012 |
| 8187783 | Method of manufacturing toner, toner, two-component developer, developing device and image forming apparatus A method of manufacturing a toner in which uneven distribution of toner ingredients by subjecting them to fine dispersion is prevented and which is excellent in transferability, cleaning properties, anti-filming properties, anti-blocking properties, high-temperature... | 05/29/2012 |
| 8178274 | Toner process The present disclosure provides toners and processes for preparing toner particles possessing excellent charging characteristics. The process includes forming a dispersion including at least one organic and/or organometallic charge control agent, and then combining ... | 05/15/2012 |
| 8163458 | Method of manufacturing toner, toner, two-component developer, developing device, and image forming apparatus A toner capable of forming high quality images of excellent image reproducibility at high definition and high resolution, being decreased for the bleed-out of a wax ingredient to the surface, causing less filming to a photoreceptor and offset phenomenon in a high te... | 04/24/2012 |
| 8163459 | Bio-based amorphous polyester resins for emulsion aggregation toners Disclosed are amorphous polyesters that contain only renewable resources designed for emulsion aggregation toner fabrication. The amorphous polyesters may be obtained from the mixture of three different monomers: 1,4:3,6-dianhydro-D-sorbitol (isosorbide), nonanedioi... | 04/24/2012 |
| 8142975 | Method for controlling a toner preparation process A method of making toner particles, including mixing at least one emulsion of at least one resin, a colorant, an optional wax, and optional additives to form a slurry; heating the slurry to form aggregated particles in the slurry; freezing aggregation of the particl... | 03/27/2012 |
| 8124308 | Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method Toner and a developer which are excellent in cleaning property and fixing property at low temperature, and capable of forming images with high quality are provided, along with a method for their production. A toner producing method involves dispersing and/or emulsif... | 02/28/2012 |
| 8114564 | Process for producing toner for electrophotography The present invention relates to a process for producing a toner for electrophotography which includes the steps of (A) forming resin-containing core particles having a volume median particle size (D50) of from 1 to 10 μm in an aqueous medium; (B) adding composite ... | 02/14/2012 |
| 8097395 | Method of manufacturing toner particles, toner particles, two-component developer, developing device and image forming apparatus A method of manufacturing toner particles capable of decreasing the manufacturing costs by simplifying the manufacturing apparatus and by decreasing the number of the steps, as well as to provide toner particles, a two-component developer, a developing apparatus and... | 01/17/2012 |
| 8092972 | Toner compositions Toner particles are provided which may, in embodiments, include a core and a shell formed in situ. The resins utilized to form the core, the shell, or both, may be contacted with a water soluble initiator. The resin, in embodiments present in the shell, cross-links ... | 01/10/2012 |
| 8080360 | Toner preparation processes A method of making toner particles, includes: mixing a latex emulsion, a colorant emulsion, an optional was emulsion, and optional additives in a first reactor to form a slurry; discharging the slurry from the first reactor to a second reactor through a homogenizer;... | 12/20/2011 |
| 8034527 | Core-shell polymer nanoparticles and method for making emulsion aggregation particles using same The method of making nano-sized particles for use in making emulsion aggregation toner particles, the nano-sized particles having a core portion and a shell portion, wherein the core portion of the nano-sized particles includes crystalline resin and the shell portio... | 10/11/2011 |
| 8029967 | Method for producing toner Provided is a method for producing a toner including the steps of: preparing a resin liquid by mixing at least a binder resin made of polyester resin and a colorant with an ester organic solvent represented by the following general formula (1); dispersing the resin ... | 10/04/2011 |
| 8021817 | Aggregate dispersant, method of manufacturing aggregate of resin-containing particles, toner, developer, developing apparatus, and image forming apparatus A toner in form of aggregate of resin-containing particles is manufactured by aggregating the resin-containing particles which contain binder resin and the colorant, with the aid of an aggregate dispersant containing a polymer in which anionic polar groups are bonde... | 09/20/2011 |
| 8003290 | Developing agent and method for manufacturing the same A method for manufacturing a developing agent by mixing a resin having a dissociable functional group and an aqueous medium, subjecting the mixture to mechanical shearing, finely pulverizing the pulverized mixture to form resin microparticles, adding a dispersion of... | 08/23/2011 |
| 7989135 | Solvent-free phase inversion process for producing resin emulsions A process for making a resin emulsion suitable for use in forming toner particles includes melt mixing a resin possessing acid groups at a temperature higher than the glass transition temperature of the resin, optionally adding a surfactant before, prior to, during,... | 08/02/2011 |
| 7989134 | Toner, method for manufacturing the same, and image forming method To provide a toner manufacturing method including: dissolving or dispersing a toner material into an organic solvent to prepare a toner solution, the toner material containing at least an active hydrogen group-containing compound, polymer reactive with the active hy... | 08/02/2011 |
| 7985524 | Emulsion aggregation process for forming curable powder coating compositions, curable powder coating compositions and method for using the same A process for forming curable powder comprises providing an aqueous dispersion of particles of curable resin and optionally particles comprising at least one curing agent; aggregating the particles optionally with the curing agent to form aggregated particles; coale... | 07/26/2011 |
| 7985525 | Method for producing developing agent A method for producing a developing agent, includes preparing a dispersion of particles containing a binder resin and a coloring agent and forming toner particles by aggregating and fusing the particles, in which the number of coarse particles having a particle size... | 07/26/2011 |
| 7981587 | Developing agent and method for producing the same A method for producing a developing agent including heating a dispersion of a toner particle material containing a binder resin fine particle, a coloring agent particle and a dispersion medium at a temperature of a glass transition point of the binder resin or highe... | 07/19/2011 |
| 7977025 | Emulsion aggregation methods A method of making toner particles, including: mixing, at less than about 17° C. and without homogenizing, a resin emulsion with a coagulant, a colorant, an optional wax, and optional additives, to form pre-aggregated particles in a slurry; heating the slurry to fo... | 07/12/2011 |
| 7960086 | Developing agent and method for manufacturing the same A coarse particle containing a polyester based resin and a coloring agent is added in an aqueous medium containing a surfactant, a basic substance and an inorganic water-soluble electrolyte, and dispersion and coagulation are carried out to form a toner particle. | 06/14/2011 |
| 7939237 | 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, th... | 05/10/2011 |
| 7939236 | Chemically prepared toner and process therefor The present disclosure relates to chemically processed toner that makes use of aqueous dispersions of release agent and/or pigment and solutions of a polymeric resin binder. The polymer solution may be prepared in an organic solvent wherein the organic solvent has s... | 05/10/2011 |
| 7932011 | Electrophotographic toner and manufacturing method thereof An electrophotographic toner comprising a resin and a colorant, wherein: (i) a toner particle comprises a domain in the toner particle, the domain comprising a polar wax having a first polar group and a non-polar wax; and ... | 04/26/2011 |
| 7923191 | Polyester resin toner produced by emulsion aggregation The present disclosure relates to chemically processed toner. The toner may be prepared by an emulsion aggregation method by forming a polyester dispersion wherein the polyester has an acid value of about 5 to about 50 and a particle size of about 50 to about 500 na... | 04/12/2011 |
| 7910279 | Method of manufacturing aggregate particles and toner A method of manufacturing aggregate particles capable of obtaining aggregate particles having high mechanical strength, small particle size, with narrow particle size distribution width by preventing interfusion of bubbles in the aggregate particles during stirring ... | 03/22/2011 |
| 7901862 | Developing agent and method for manufacturing the same It is intended to provide a method includes the step of forming agglomerated particles by agglomerating fine particulate mixture containing a binder resin and a colorant. In the step of forming agglomerated particles, a cationic organic coagulating agent having an a... | 03/08/2011 |
| 7897318 | Ionic polymer flocculants for the preparation of chemically processed toner The present disclosure relates to a process for producing a toner particulate composition from aqueous dispersions containing aggregates of a polymer binder and other toner ingredients. An ionic surfactant may be used to form the dispersion along with an ionic polym... | 03/01/2011 |
| 7887986 | Method of manufacturing toner particles, toner particles, two-component developer, developing device and image forming apparatus A method of manufacturing toner particles capable of decreasing the manufacturing costs by simplifying the manufacturing apparatus and by decreasing the number of the steps, as well as to provide toner particles, a two-component developer, a developing apparatus and... | 02/15/2011 |
| 7879523 | Toner composition and method for manufacturing the toner composition A toner composition including toner particles, wherein the toner particles are prepared by a method in which toner constituents including at least a binder resin and a colorant are kneaded upon application of heat to prepare a toner constituent mixture; the toner co... | 02/01/2011 |
| 7862978 | Toner and manufacturing process therefor The invention provides a process for the manufacture of a toner which comprises the steps of: a) providing a latex dispersion containing primary resin particles and surfactant; b) providing a colorant dispersion co... | 01/04/2011 |
| 7862979 | Toner and manufacturing process therefor The invention provides a process for the manufacture of a toner which comprises the steps of: a) providing a latex dispersion containing primary resin particles and surfactant; b) providing a colorant dispersion co... | 01/04/2011 |
| 7858285 | Emulsion aggregation polyester toners An emulsion aggregation toner including an amorphous resin and a crystalline resin, wherein the toner has an acid value of from about 16 mg/eq. KOH to about 40 mg/eq. KOH and a relative humidity sensitivity ratio of from about 1 to about 2, and wherein the crystalli... | 12/28/2010 |
| 7846636 | Process for producing toner for electrophotography The present invention relates to a process for readily producing a toner for electrophotography which contains toner particles having a small particle size and a narrow particle size distribution, and a toner for electrophotography having a small particle size and a... | 12/07/2010 |
| 7829255 | Polyester-wax based emulsion aggregation toner compositions Emulsion aggregation toners comprising a polyester-wax resin, wherein the polyester-wax resin includes a wax that is chemically incorporated into the main chain of the polyester. ... | 11/09/2010 |
| 7811739 | Process for producing a resin emulsion and toner The present invention relates to a process for producing a resin emulsion which includes the steps of (a) dispersing a resin containing acidic group in a basic aqueous medium at a temperature lower than a softening point of the resin; (b) neutralizing a dispersion o... | 10/12/2010 |
| 7807327 | Method for producing electrophotographic toner A method for producing an electrophotographic toner comprising the step of polymerizing two or more polymerizable monomers under existence of a non-polar liquid hydrocarbon, wherein at least one of the polymerizable monomers comprises a polar group; a kinematic visc... | 10/05/2010 |
| 7785763 | Emulsion aggregation processes A process for preparing a toner, includes solvent flashing wax and resin together to emulsify the resin and wax to a sub-micro size; mixing the wax and resin emulsion with a colorant, and optionally a coagulant to form a mixture; heating the mixture at a temperature... | 08/31/2010 |
| 7781138 | Low melt toners and processes thereof A process for preparing toner particles and compositions adapted for use in preparing toners that comprise a blend of a first polyester resin with a second sharp melting polyester resin. The process includes forming an emulsion resin comprising a branched polyester ... | 08/24/2010 |
