Matches 1 - 50 out of 205 1 2 3 4 5 >


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8940467 Toner  
A toner is provided that, even in a small amount thereof, gives a satisfactory image density and that is free of image problems, e.g., fogging and offset resistance, even during long-term use and...
8927186 Toner, and developer, image forming method and process cartridge using the toner  
A toner for use in developing an electrostatic latent image is provided. The toner includes a colored particulate material including at least a binder resin and a colorant; and an external...
8895220 Emulsion aggregation toner formulation  
An emulsion aggregation toner formulation for electrophotography and a method for preparation thereof. The emulsion aggregation toner formulation includes a polyester resin emulsion formed using...
8877420 Particles and method for producing the same, toner and method for producing the same, developer, process cartridge, image forming method and image forming apparatus  
A method for producing particles, including: bringing a compressive fluid into contact with a pressure plastic material, so as to plasticize the pressure plastic material; applying a shear force...
8852841 Toner for electrostatic image development  
A method for producing a toner for electrostatic image development containing at least a resin binder and a charge control agent, including step 1: melt-kneading components containing a resin...
8846289 Method of manufacturing toner and toner manufactured by the method  
A method of manufacturing toner including melting, mixing, and kneading a releasing agent and a coloring agent with at least part of a polyester binder resin, and suspending and granulating an oil...
8828285 Particulate production apparatus and particulate production method, and toner preparation apparatus and toner preparation method  
A particulate production apparatus, including a droplet discharger to discharge a liquid including a particulate element which is solidified to become a particulate; and a pressure controller to...
8815488 Method for producing toner  
A method for producing a toner including the step of melt-kneading a mixture containing a resin binder and a wax with a twin-screw kneader, wherein the resin binder contains three kinds of a resin...
8765343 Electrostatic latent image developing toner, electrostatic latent image developing toner manufacturing method, toner cartridge, image forming method, and image forming apparatus  
An electrostatic latent image developing toner contains a binder resin, a colorant, europium, and bismuth.
8703378 Method of manufacturing toner and toner manufactured by the method  
A method of manufacturing toner including mixing mother toner particles containing a binder resin and a coloring agent and first particles having an average primary particle diameter of from 100...
8685607 Continuous process for manufacturing toners  
The continuous process for manufacturing toners disclosed herein includes continuously feeding components of a toner composition into a feed section of a screw extruder at a controlled rate. The...
8673532 Method of producing dry toner particles having high circularity  
A method for producing dry toner particles that have similar particle size and shape characteristics as chemically produced toners. The method includes melt-mixing a toner resin with a colorant...
8614041 Toner for electrophotography and binder resin for toner  
Disclosed is a toner for electrophotography containing at least a binder resin. This toner for electrophotography is characterized in that (a) the tetrahydrofuran (THF) soluble content in the...
8609313 Toner and method for producing toner  
A toner containing a resin binder and a colorant, wherein the resin binder contains a crystalline resin and an amorphous resin, the crystalline resin containing a composite resin containing: a...
8603373 Method for producing particles, method for producing toner, and apparatus for producing particles  
A method for producing particles, including: bringing a compressive fluid into contact with a pressure plastic material, so as to produce a melt of the pressure plastic material; and discharging...
8592127 Method for producing toner  
A method for producing a toner, comprising the step of feeding raw materials containing a resin binder and a colorant to an open-roller type kneader, and melt-kneading the raw materials, wherein...
8551681 Emulsion aggregation toner formulation  
An emulsion aggregation toner formulation for electrophotography and a method for preparation thereof. The emulsion aggregation toner formulation includes a polyester resin emulsion formed using...
8501381 Liquid developer composition and method of its preparation  
The invention relates to a liquid developer composition comprising a dispersant, and toner particles dispersed in said dispersant. The liquid developer composition can be used for printing onto a...
8455172 Toner, method for producing the same, and developer  
A method for producing a toner, containing: dispersing, in an aqueous medium, an oil phase which contains an organic solvent, and a binder resin component contained in the organic solvent, where...
8445170 Binder resin for color toners and color toner using the same  
Provided is a binder resin for color toners which comprises at least a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E) and a reaction product thereof, and...
8435714 Solvent-free emulsion process using acoustic mixing  
A process for making toner particles is provided. In embodiments, a suitable process includes melt mixing a resin in the absence of an organic solvent, optionally adding a surfactant to the resin,...
8362198 Resin particle and process for production thereof  
There is provided a method for producing a resin particle capable of unprecedentedly realizing both excellent heat resistant keeping property and melting property. The present invention is a...
8362197 Resin particle and process for production thereof  
There is provided a method for producing a resin particle capable of unprecedentedly realizing both excellent heat resistant keeping property and melting property. The present invention is a...
8329375 Electrostatic charge image developing toner and method of producing the same, electrostatic charge image developer, toner cartridge, process cartridge, and image forming device  
A toner for developing an electrostatic charge image includes: an amorphous polyester resin; a crystalline polyester resin; and a releasing agent, an amount of the releasing agent in the toner...
8329371 Toner for non-magnetic one-component developer, method of preparing the toner, developer and image forming method  
A non-magnetic toner, including a binder resin; a wax present dispersing in the toner in the shape of a particle; and a colorant, wherein the wax having a particle diameter not less than 2.0 μm...
8309681 Resin particle and method for producing the same  
There is provided a method for producing a resin particle capable of unprecedentedly realizing both excellent heat resistant keeping property and melting property. The present invention is a...
8293447 Toner  
An object of the present invention is to provide a toner which allows fixation at low temperatures, which is excellent in anti-offset ability, and which provides a high quality image at high and...
8288069 Toner and two-component developer  
Provided is a toner including: toner particles each containing at least a binder resin and a wax; and an external additive, in which surfaces of the toner particles have an average surface...
8257900 Method for preparing toner, toner prepared by the method, and image forming apparatus using the toner  
A method for preparing a toner including primarily pulverizing a toner composition powder including at least a binder resin and a colorant using a mechanical pulverizer to prepare a first...
8252502 Method for producing toner and resulting toner  
A method for producing a toner is provided that comprises a kneading step, a milling step, a pre-externally adding step, in which at least a part of an external additive is externally added to the...
8247153 Process for producing resin microparticles for a toner raw material  
An object of the present invention is to provide a resin microparticle for a toner raw material that has a small particle diameter and a narrow particle diameter distribution and has a low odor....
8227167 Developing agent and method for producing developing agent  
The method for producing a developing agent according to the invention contains subjecting the toner material dispersion liquid to mechanical shearing to make the granular mixture into fine...
8216760 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...
8211609 Toner compositions  
The present disclosure provides toners including amorphous resins and crystalline resins. Toners with high glass transition temperatures and little plasticization may be obtained in accordance...
8206885 Toner for forming images, one-component developer, two-component developer, image forming method, image forming apparatus and process cartridge  
A toner prepared by pulverization methods, including a binder resin; and a colorant, wherein the binder resin is prepared by melting and kneading a polyester resin having an unsaturated bond with...
8178276 Method of manufacturing toner  
A method of manufacturing a toner including granulating mother toner particles in an aqueous medium to obtain a slurry containing the mother toner particles and adjusting a size distribution of...
8158323 Method of manufacturing toner and toner produced by the method  
A method of manufacturing toner including the steps of preparing a preliminary mixture by mixing a colorant and a release agent; preparing a raw material mixture by mixing the preliminary mixture...
8148040 Toner and method of manufacturing the same, two-component developer, developing device, and image forming apparatus  
In a toner at least containing a binder resin and a colorant, a value obtained by dividing a particle size D50p by a particle size D84p is 1.43 or more and 1.64 or less, wherein D50p and D84p...
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,...
8114565 Toner production method and toner granulating apparatus  
Provided is a toner production method that reuses a fine particle toner having a particle diameter failing to meet a predetermined standard diameter which is generated in pulverizing and...
8039191 Toner  
A toner having a BET specific surface area of from 1.5 to 3.5 m2/g, obtainable by a process including the steps of; step (1): pulverizing a toner composition containing at least a resin binder and...
8012661 Method for producing developing agent  
A method for producing a developing agent contains mechanically shearing a mixture containing a polyester resin, a colorant and a releasing agent to form first fine particles, aggregating the...
8012662 Method of manufacturing toner  
A method of manufacturing toner including; melting and kneading a mixture including a binder resin and a coloring agent; cooling down the melted and kneaded mixture to provide a cooled mixture;...
7943280 Toner containing a laminar inorganic mineral in which part or all of the ions present between layers are modified by organic ions  
A toner containing a colorant, a binder resin and a laminar inorganic mineral in which part or all of the ions present between layers are modified by organic ions. The toner can be prepared by a...
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...
7867680 Non-magnetic toner for one-component development and method of preparing the toner, and image developer, image forming apparatus, process cartridge and image forming method  
A non-magnetic toner including a binder resin including a first resin, a second resin, a third resin; a colorant; and a wax, wherein the first resin is a hybrid resin including an amorphous...
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...
7833688 Methods for reducing plasticization and blocking in polyester toner compositions  
Use of a wax in a toner, such as carnauba wax, to give an increase in charge control agent in a toner, such as a magenta toner, to give an increased glass transition temperature is disclosed. The...
7833446 Method of manufacturing aggregated particles  
The aggregated particles are manufactured through a method of manufacturing aggregated particles, which includes an aggregating step, a depressurizing step, and a cooling step. In the aggregating...
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...

Matches 1 - 50 out of 205 1 2 3 4 5 >