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Patent Searching and Data


Matches 901 - 950 out of 63,003

Document Document Title
WO/2010/047418A1
The present invention provides an electrostatic image developing toner capable of improving the dispersibility of wax in the toner and superior in offset resistance and in storageability (heat-resistant storageability) at high temperatur...  
WO/2010/042111A1
Toner compositions, treated fluoropolymer particles, methods of making treated fluoropolymer particles, and the like, are disclosed.  
WO/2010/011079A3
Provided are a toner and a method of preparing the same. The toner includes a binder resin, a coloring agent, and at least one additive, and a storage modulus curve of the toner with respect to temperature has multiple inflection points....  
WO/2010/041677A1
Provided is a toner which contains toner particles having a binding resin, a colouring agent, and wax; and inorganic fine particles, wherein the temperature-storage modulus curve of the toner at high frequency shows a characteristic beha...  
WO/2010/038538A1
Provided are silica fine particles which have small primary particle diameters and are useful as an external additive for a toner. The silica fine particles do not contain coarse agglomerate particles, which are causative of lowering in...  
WO/2010/032686A1
Provided is a low-temperature fixing toner which permits the fixing of a toner image at a temperature lower than that of a conventional toner image. The toner in an unused state does not cause blocking even after long-term storage, and ...  
WO/2010/006837A3
Process for preparing surface-modified silicon dioxide particles with a mean particle diameter of at most 100 nm, comprising the steps of: a) providing a predispersion b) high-pressure grinding of the predispersion to form a dispersion c...  
WO/2010/029903A1
A toner containing at least a binder resin, releasing agent, and colorant, wherein the binder resin contains polyester resin (A), polyester resin (B), and polyester resin (C), which is prepared by condensation-polymerizing (i) an alcohol...  
WO/2010/029719A1
Disclosed is a chargeable powder for forming a conductive pattern, which is capable of suppressing/preventing separation of a conductive pattern or cracks in a ceramic layer caused by sintering temperature difference between the conducti...  
WO/2009/148276A3
Provided are a method of forming a toner image and an electrophotographic image forming apparatus including a toner. The method of forming a toner image is performed using a first toner having a yellow color and color coordinate values o...  
WO/2010/027071A1
Disclosed is a manufacturing method for a polyester particle dispersion liquid comprising a step wherein (1) amorphous polyester having 2.0-12.0 mol% of a constituent unit derived from a trivalent or higher carboxylic acid with respect t...  
WO/2009/001044A8
A process for preparing a toner comprising a binder resin and a colorant, wherein the binder resin comprises a polyester resin having an acid value (AV) greater than 5mg KOH/g, the process comprising: providing an aqueous dispersion of s...  
WO/2010/021081A1
Disclosed is a method for producing resin particles having a good balance between excellent heat-resistant storage stability and melting characteristics, which conventional resin particles cannot have achieved. Specifically disclosed is...  
WO/2010/021049A1
Superparamagnetic ferrite microparticles each having a particle diameter of smaller than 100 nm are directly produced on the surface of a core particle comprising a thermoplastic polymer material, thereby producing a toner which is compo...  
WO/2010/021048A1
In the image formation method for fixing an unfixed toner image in a non-contact manner by the high-frequency magnetic field-induced heating, a toner is used, which is composed of a core particle comprising a thermoplastic polymer materi...  
WO/2010/016604A1
A magnetic carrier with which no fogging or carrier adhesion occurs even with long-term use, that has excellent dot reproducibility, and with which high-quality images with no density variation are obtained. Disclosed is a magnetic carri...  
WO/2010/016601A1
A magnetic carrier having magnetic carrier particles containing at least magnetic core particles and a resin. The resistivity of the magnetic carrier at the electric field intensity of 1.0 × 103 V/cm as determined by measuring the dyna...  
WO/2009/142432A3
Provided are a toner containing a resin having wax properties and a method of preparing the toner. The toner includes a binder resin into which at least one residue of the group consisting of a C8-C60 higher fatty acid residue and a C8-C...  
WO/2010/016603A1
A magnetic carrier and a two-component developer to improve voids, fogging when left undisturbed, carrier adhesion when used for a long time, and image density fluctuation before and after extended use. Disclosed is a magnetic carrier th...  
WO/2010/016602A1
Disclosed is a magnetic carrier comprising magnetic carrier particles that comprise at least porous magnetic core particles and a resin. The magnetic carrier is characterized in that, in a reflected electron image of the magnetic carrie...  
WO/2010/016605A1
A magnetic carrier which can be developed at low electric field intensity using a toner having high coloring power, while maintaining gradation properties, thereby enabling formation of a high-quality image. The magnetic carrier compris...  
WO/2010/013838A1
Provided is a cyan toner which is an encapsulated toner having excellent low-temperature fixability and which, despite this, is excellent in unsusceptibility to offset and electrification characteristics and gives a high-grade image. Th...  
WO/2010/013635A1
The object aims to improve the reproducibility of color and the stability in concentration of a toner. Disclosed is a toner comprising at least a resin and a coloring agent, wherein the coloring agent comprises a compound represented by ...  
WO/2010/013923A2
Provided is a method of preparing a toner. The method includes preparing initial polymer latex, and aggregating solid particles, that is, polymer latex particles, included in the initial polymer latex, wherein the aggregating of the poly...  
WO/2009/069314A3
A pigment composition for polymerized toner synthesized from a diazo component yielded by diazotizing a 2-methoxy-4-nitroaniline and/or 4-methoxy-2-nitroaniline, and a coupler component comprising 60 to 98.5% by mole of acetoacetoorthoan...  
WO/2010/010752A1
Provided is a toner which shows excellent performances concerning static offset and fixation tailing. A toner comprising toner particles, which at least contain a binder resin, a wax and magnetic iron oxide, and inorganic microparticles...  
WO/2010/011079A2
Provided are a toner and a method of preparing the same. The toner includes a binder resin, a coloring agent, and at least one additive, and a storage modulus curve of the toner with respect to temperature has multiple inflection points....  
WO/2010/010971A1
Provided is an image-forming method, the method including: forming an electrostatic image on an electrostatic image bearing member which has been charged; developing the electrostatic image to form a toner image; transferring the toner i...  
WO/2010/010889A1
Disclosed is a toner which can be improved in both low temperature fixing properties and offset resistance. The toner comprises at least a binder resin and a coloring agent, wherein the binder resin comprises a polyester ionomer resin w...  
WO/2010/011297A1
Porous particles comprising a polymer binder and at least one additive distinct from any pore stabilizing compound present in the particle, wherein: the polymer binder comprises a solid compositionally continuous phase having an external...  
WO/2010/007905A1
A developing agent for electrophotography is provided which is excellent in the ability to be quickly charged and in charge stability even in a high-temperature high-humidity environment or low-temperature low-humidity environment where ...  
WO/2010/006837A2
Process for preparing surface-modified silicon dioxide particles with a mean particle diameter of at most 100 nm, comprising the steps of: a) providing a predispersion b) high-pressure grinding of the predispersion to form a dispersion c...  
WO/2009/145425A3
The present invention relates to a toner using a resin insoluble in organic solvents and a preparation method thereof. The disclosed method comprises: (a) dry-milling the insoluble resin to prepare microparticles or wet-dispersing the in...  
WO/2010/007963A1
Provided is a full color image forming method wherein high color reproducibility especially on a blue system and a green system can be obtained and an excellent gradation property can be obtained in a full color image to be obtained. Th...  
WO/2010/008007A1
Disclosed is a method for producing an electrophotographic toner which has excellent dispersibility of a coloring agent and can significantly improve image density. An electrophotographic toner obtained by the method is also disclosed. ...  
WO/2010/004826A1
Disclosed is a toner for electrostatic charge development, which contains a polyester resin as a binder resin and has excellent toner properties including low-temperature fixing properties, blocking resistance and off-set resistance. Al...  
WO/2010/005492A1
Treated metal oxide particles include metal oxide particles treated with at least a charge modifying agent. The charge modifying agent is represented by the following formula: An-Zc-Yb-Ar(EW)a, wherein Ar represents an aromatic group, EW...  
WO/2010/001770A1
The present invention provides an image forming toner including at least a linear polyester resin (b1) as a binder resin, wherein the linear polyester resin (b1) is obtained by reacting a polyester diol (b11) having a polyhydroxycarboxyl...  
WO/2010/001825A1
Provided are a toner and a toner manufacturing method with which high image density and a broad range of color reproduction are obtained, and with which high-quality images are also obtained. The toner is formed from toner particles that...  
WO/2010/001826A1
Disclosed is an electrophotographic toner which can be fixed at a low temperature, while having high storage stability. Fixed images formed with the electrophotographic toner are free from tacking. The electrophotographic toner contain...  
WO/2009/157582A1
A toner for electrostatic-image development, characterized by comprising toner base particles obtained by subjecting fine particles comprising a binder resin, a charge control agent, and a colorant to a thermal crosslinking treatment in ...  
WO/2009/148687A1
Core-shell nanoscale pigment particles include a core organic pigment composition including nanoscale particles of organic pigments, and a shell layer of surface-deposited silica, where the organic pigment particles are selected from azo...  
WO/2009/148146A1
Provided are a non-spherical fine resin particle aqueous dispersion having excellent storage stability and processability in terms of aggregation and attachment to other materials, a method for producing said dispersion and a method for ...  
WO/2009/148276A2
Provided are a method of forming a toner image and an electrophotographic image forming apparatus including a toner. The method of forming a toner image is performed using a first toner having a yellow color and color coordinate values o...  
WO/2009/145425A2
The present invention relates to a toner using a resin insoluble in organic solvents and a preparation method thereof. The disclosed method comprises: (a) dry-milling the insoluble resin to prepare microparticles or wet-dispersing the in...  
WO/2009/145866A1
Images produced by electrophotography are often subjected to harsh conditions, such as high temperature and high relative humidity conditions. Prints when subjected to face-to-face stacking under these conditions tend to stick and are di...  
WO/2009/145342A1
Provided is a toner that fixes well at low temperatures and makes it possible to obtain high image density without blurring even with long-term use. The toner contains, at least, a binding resin, a colorant, an ester compound, and a low-...  
WO/2009/142726A1
The use of electrographic printing to prepare prints which have a desired tactile feel or raised information in a controlled manner by utilizing a developer having toner particle size larger than 18 microns volume average diameter and ca...  
WO/2009/116746A3
The present invention relates to an electrostatic image developing toner and a preparation method thereof. The electrostatic image developing toner is prepared by the method comprising: (1) preparing an inorganic dispersion medium; (2) d...  
WO/2009/142010A1
Disclosed is a process for producing a resin particle having both superior heat-resistant storage properties and superior melting properties to those of conventional resin particles. Specifically disclosed is a process for producing a r...  

Matches 901 - 950 out of 63,003