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Patent Searching and Data


Matches 1,001 - 1,050 out of 64,043

Document Document Title
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...  
WO/2009/142432A2
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/2009/142338A1
A toner including at least one polyester resin serving as a binder resin, a colorant, a releasing agent, and a fixing aid, wherein the fixing aid includes a fatty acid amide-based compound, and the fatty acid amide-based compound is at l...  
WO/2009/139850A1
A method and system for printing adjustable gloss image documents using a variety of toners where some toners have a relatively low melt viscosity and others have a relatively high melt viscosity. These toners are co-printed prior to fix...  
WO/2009/139502A1
Hydrophobic inorganic fine particles are provided which prevent a toner from fusing to a photoreceptor or fouling a contact charging member and which enable the toner to be excellent in flowability, electrification characteristics, and d...  
WO/2009/136634A1
Provided are a charge controlling agent comprising, as the active ingredient, a metal compound of a cyclic phenol sulfide represented by the general formula (1) (wherein at least one of a plural number of Y’s is a metal atom), and a to...  
WO/2009/126388A1
Colorant loaded nanocapsules include a polymeric capsule shell, and a colorant loaded inside the polymeric capsule shell Such colorant loaded nanocapsules can be made by providing colorant particles and a block copolymer having a minor n...  
WO/2009/125856A1
An image formation device includes a charging device that charges an image carrier, an exposing device that exposes the image carrier to form an electrostatic image, a developing device that includes a developing agent carrier that carri...  
WO/2009/122687A1
Provided are: a toner excellent in low-temperature fixability and nonblocking properties; and a toner binder. The toner binder contains a crystalline resin (A) which has a maximum-peak temperature for heat of fusion (Ta) of 40-100°C, a ...  
WO/2009/122832A1
Disclosed is a carrier core for electrophotographic developers, which is of a spherical form, while having excellent strength. The true density and/or apparent density of the carrier core for electrophotographic developers can be control...  
WO/2009/123329A1
Disclosed is a toner with excellent transferability, with which the occurrence of blurring is controlled, and that has excellent lasting stability, even when many sheets are printed. At least a silica fine powder is mixed in with the ton...  
WO/2009/119055A1
Disclosed are resin particles having a sufficiently narrow particle size distribution, which can be obtained by using a supercritical fluid. Also disclosed is a method for producing resin particles having a sufficiently narrow particle s...  
WO/2009/053688A3
A toner comprising toner particles which comprise binder resin and colorant, wherein the binder resin is made from latexes which comprise a low molecular weight (LMW) latex of resin particles having a weight average molecular weight (Mw)...  
WO/2009/116746A2
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/2009/113700A1
Provided is a two-component developer containing: a magnetic carrier obtained by coating a magnetic core with a resin; and toner, in which: the magnetic core contains at least a ferrite component and at least one kind of an oxide selecte...  
WO/2009/113488A1
Disclosed is a capsule-type toner which has excellent low-temperature fixing properties, high offset resistance and excellent electrically charging properties, can form thin characters, fine lines and fine dots, can produce high-quality ...  
WO/2009/005335A8
A method of synthesizing polyester toner resins comprises: polycondensing polycarboxylic acids, polyols and free fatty acids to form low molecular weight polyester resins with alkenyl group or hydroxyl group or a combination of both; whe...  
WO/2009/110522A1
The present invention provides an image of high image quality by using a magnetic carrier coated with a novel coating resin composition. Further, the present invention stably provides a good image which is hardly influenced by environmen...  
WO/2009/107829A1
A toner is provided which is excellent in development stability in both a low-temperature, low-humidity environment and a high-temperature, high-humidity environment over a long time period. The toner includes toner particles containing ...  
WO/2009/085141A3
The present invention is an ink comprising a solid phase and a liquid phase wherein the solid phase comprises a polymeric binder and the liquid phase comprises oil and a pigment, the solid phase and the liquid phase forming a discrete pa...  
WO/2009/107683A1
Disclosed is a method for emulsifying a substance of interest without using any organic solvent to produce an O/W emulsion and further drying and powderizing the O/W emulsion. Specifically disclosed is a method for producing an O/W emuls...  
WO/2009/107830A1
A toner is provided which has satisfactory development stability even when improved in low-temperature fixability, and which can form a high-quality image satisfactory in non-infiltrating performance and color gamut performance. The tone...  
WO/2009/107867A1
An arylidene-pyrazolone dye of the following formula (1): wherein R1, R2, R3, R4 and R5 each independently represent a monovalent substituent; n indicates an integer of from 0 to 4; when n is 2 or more, plural R3's may be the same or dif...  
WO/2009/107831A1
Disclosed is a toner that can realize good running stability while improving low-temperature fixability and can realize the formation of high-definition images having good anti-blocking properties, low-temperature fixation, gloss propert...  
WO/2009/104571A1
Provided are an electrophotographic-photosensitive element and an electrophotographic device, which are used in a high speed/resolution color machine of a positively charging type and which are excellent in dot-reproducibility and gradua...  
WO/2009/104628A1
Provided is a method for producing toner, wherein wet coloring resin particles are fed to a rotor-type stirrer having a structure in which stirring vanes secured to a rotation drive shaft penetrating the bottom wall of a stirring tank is...  
WO/2009/104501A1
Disclosed is a developing apparatus that, even in a discontinuous printing mode having a rest period, can suppress a fluctuation in image density. The developing apparatus comprises at least a developing agent for developing an electrost...  
WO/2009/085111A3
The present invention is a method of manufacturing ink. The method includes providing a first organic phase of a solvent containing a dissolved polymer, an oil and a pigment. The organic solvent is dispersed in an aqueous phase containin...  
WO/2009/072823A3
Provided is toner particles comprising a binder resin and a colorant, wherein the binder resin includes a polyester resin having a weight average molecular weight of about 6,000 to about 100,000, a glass transition temperature of about 5...  
WO/2009/093592A1
The invention provides a resin composition for electro- photographic toners which can give electrophotographic toners excellent in low-temperature fixing properties and hot-offset resistance and such electrophotographic toners. A resin c...  
WO/2009/091893A1
The present invention provides a process for producing a colored toner comprising the steps of: providing a polymer composition comprising at least one polymer wherein the at least one polymer has a softening temperature from about 30°C...  
WO/2009/054679A3
Provided are a toner having a core-shell structure and a method of preparing the toner. The toner of the core-shell structure includes a toner core portion having a resin with an active hydrogenactive hydrogen containing group, a coloran...  
WO/2009/088034A1
Disclosed is a yellow toner comprising toner particles containing at least a binder resin, a colorant, and a polar resin. The yellow toner is characterized in that the colorant is a dye compound having a specific structure, the recovery ...  
WO/2009/054676A3
Provided are a toner using a resin having an active hydrogen-containing group, and a method of preparing the toner. The toner using a resin having an active hydrogen-containing group includes a binder resin (A), a cross-linked resin havi...  
WO/2009/085111A2
The present invention is a method of manufacturing ink. The method includes providing a first organic phase of a solvent containing a dissolved polymer, an oil and a pigment. The organic solvent is dispersed in an aqueous phase containin...  
WO/2009/084184A1
Disclosed are particles which are useful as an external toner additive which can control physical properties of a toner. Specifically disclosed are surface-modified complex oxide particles which are obtained by surface-modifying silica-t...  
WO/2009/084713A1
Disclosed is a toner that possesses excellent low-temperature fixation, high-temperature offset resistance, and resistance to development and is free from toner fusing to a photoreceptor and everting of a cleaning blade. The toner contai...  
WO/2009/084620A1
A toner which comprises: toner particles containing at least a binder resin and a wax; and an external additive. The toner is characterized in that the toner particles have an average surface roughness (Ra) as measured with a scanning pr...  
WO/2009/085141A2
The present invention is an ink comprising a solid phase and a liquid phase wherein the solid phase comprises a polymeric binder and the liquid phase comprises oil and a pigment, the solid phase and the liquid phase forming a discrete pa...  
WO/2009/080087A1
A method for producing an antenna structure for an RFID device, a dry toner for use in producing an antenna for an RFID device and a RFID device comprising an antenna structure made of fused toner are disclosed. In a method for producing...  
WO/2009/081999A1
In a method for coating electrophotographic carrier core surfaces with a resin composition by rotating a rotator having a plurality of agitating blades on its surface in a casing; a coating treatment material that is introduced to a spac...  
WO/2009/078493A1
A method for producing a carrier, including a step of periodically forming and discharging liquid droplets of a carrier core composition liquid from a plurality of nozzles formed in a thin film, using a liquid droplet forming unit having...  
WO/2009/075737A1
The present invention is a toner that includes a polymeric binder and a polyethylene wax or ester wax. A dispersing agent of poly(ethylene vinyl acetate) is included in the toner that dispersed the wax and reduces the amount of free wax ...  
WO/2009/054624A3
Disclosed is a method for producing a polymerized toner. In the method, a mixture of colloidal silica as an aqueous dispersant and a polyvinylpyrrolidone is used during suspension polymerization. The amount of polyvinylpyrrolidone/colloi...  
WO/2009/072823A2
Provided is toner particles comprising a binder resin and a colorant, wherein the binder resin includes a polyester resin having a weight average molecular weight of about 6,000 to about 100,000, a glass transition temperature of about 5...  
WO/2001/088617A3
Disclosed are methods and apparatus for electrographic development which utilize a rotating magnetic core, a toner shell disposed around the rotating magnetic core, and developer compositions disposed on the toner shell which include a h...  

Matches 1,001 - 1,050 out of 64,043