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8178268 Magenta toner and developer  
A magenta toner, produced by a method including suspending an oily liquid comprising a binder resin and a colorant in an aqueous medium, wherein the colorant comprises a naphthol pigment and a...
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...
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...
8137885 Hybrid toner and method of preparing the same  
A hybrid toner includes micro cylinders, cores inserted into the micro cylinders, and an external addition layer covering the micro cylinders to which the cores are inserted. The hybrid toner...
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...
8137882 Toner for developing electrostatic images and process for producing the toner  
A toner for developing electrostatic images which is obtained by melt mixing at least a binder resin and a coloring agent, forming a powder material by pulverizing the obtained mixture after...
8137087 Toner preparation method and apparatus, and toner prepared thereby  
A method of preparing a toner, including periodically dripping and discharging a droplet of a toner constituent liquid including a resin and a colorant; and solidifying and granulating the droplet,...
8124309 Solvent-free emulsion process  
A process for making a resin emulsion suitable for use in forming toner particles is provided. In embodiments, a suitable process includes melt mixing a resin in the absence of an organic solvent,...
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...
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...
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...
8057976 Method for producing toner  
A toner which can efficiently induce high-frequency magnetic induction heating by Neel relaxation and/or Brown relaxation is provided. A toner including a core particle containing a thermoplastic...
8034521 Toner for developing electrostatic charge image, image forming method and image forming apparatus  
To provide a toner for developing an electrostatic charge image, the toner containing at least a colorant obtained by reacting a polymer with a basic dye, wherein the polymer contains 10 mol % or...
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...
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...
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...
8029960 Toner for developing electrostatic latent image, and image forming apparatus and process cartridge using the toner  
A toner, including a parent particulate material including a colorant and a binder resin, and an external additive including particles having an average primary particle diameter from 80 to less...
8029961 Toner for developing latent electrostatic image, method for producing the same and apparatus for producing the same, and developer, toner container, process cartridge, image forming method and image forming apparatus  
There is provided a toner for developing a latent electrostatic image, obtained by a method containing: ejecting a toner composition fluid from an ejection hole so as to make the toner composition...
8021813 Electrostatic-image-developing toner, method of producing the same, electrostatic image developer, image forming method and image forming apparatus  
An electrostatic-image-developing toner includes a phosphonic acid based sequestering agent.
8013074 Toner process  
The present disclosure relates to a toner process comprising providing a resin miniemulsion comprising polymeric particles comprising at least one free radical polymerizable monomer compound and at...
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...
7985526 Supercritical fluid microencapsulation of dye into latex for improved emulsion aggregation toner  
The present disclosure provides methods for incorporating a dye into latex particles via a supercritical fluid microencapsulation technique, in order to achieve improved dispersion of a colorant in...
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...
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...
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...
7955772 Dry toner, processes for the production thereof, and the use thereof  
The invention relates to a dry toner, containing a platelet-type metal effect pigment or a plurality of platelet-type metal effect pigments and at least one resinous constituent, wherein the metal...
7956118 Method and preparation of chemically prepared toners  
A method of making polymeric particles having a controlled size and size distribution, and in particular a method for the preparation of chemically prepared toners, via evaporative limited...
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...
7932010 Toner, method of manufacturing the same, two-component developer, developing device, and image forming apparatus  
There are provided a toner, a method of manufacturing the toner, a two-component developer, a developing device, and an image forming apparatus, which are excellent in a charge rising property,...
7931876 Method and apparatus for manufacturing developer, and developer  
The invention provides a method and an apparatus for manufacturing a developer, which can manufacture a developer having a uniform and fine particle shape in a narrow particle size distribution and...
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...
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...
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...
7906266 Magnetic toner  
A magnetic toner is disclosed including magnetic toner particles containing at least a binder resin and a magnetic powder. The magnetic powder contains a specific amount of phosphorus elements, and...
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 ...
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...
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...
7871750 Process for preparing mixed color toner  
A process for preparing a mixed color toner obtained by mixing two or more kinds of color toners of which each color is different, including the following steps (1) and (2): (1) determining zeta...
7867683 Toner, method of producing the same, developer, and image forming apparatus  
A toner that when the complex elastic modulus measured at an angular frequency of 6.28 rad/sec., and a strain amount of 0.3% is 1×106 Pa or more and 1×108 Pa or less, the tangent loss is 0.5 or m...
7862970 Toner compositions with amino-containing polymers as surface additives  
A toner composition includes core particles including a polymeric latex and an optional colorant, and amino-containing polymer particles dispersed on an external surface of the particles.
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...
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...
7851120 Developing agent and method for producing the same  
The dispersion liquid including toner material particles is introduced into a mechanical shearing device including a heating unit, a mechanical shearing unit, and a cooling unit, heated to a...
7842445 Secure imaging toner and methods of forming and using the same  
A toner for printing documents that are difficult to chemically or physically forge and that are readily easy to visually verify and methods of using and forming the toner are disclosed. The toner...
7833687 Aqueous dispersion of fine resin particles, method for producing aqueous dispersion of fine resin particles, and method for producing toner particles  
The present invention provides an aqueous dispersion of nonspherical fine resin particles having excellent storage stability and processability such as aggregation and adherence to other...
7829733 Change control resin particles and toner for developing electrostatic images  
Charge control resin particles comprising a mixture of at least a charge control agent and a resin, wherein a crystalline zinc 3,5-di-tert-butylsalicylate represented by General Formula below, and...
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 ...
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,...
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...
7763410 Electrophotographic developing carrier, associated apparatus and methodology of classification and application  
A vibrating sieve for classifying a particulate material, including an oscillator comprising a transducer; and at least two meshes layered together and located in contacting relation to a...
Matches 1 - 50 out of 264 1 2 3 4 5 6 >