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Patent Searching and Data


Matches 951 - 1,000 out of 62,985

Document Document Title
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...  
WO/2009/073512A1
Compounds and methods of forming compounds useful as a toner or toner precursor are disclosed. The compounds may include an aqueous dispersion, the dispersion including: (A) at least one thermoplastic resin; and (B) 0 to 5 weight percent...  
WO/2009/069593A1
A process for toner production in which colored resin particles can be dried highly efficiently in a drying step without aggregating and/or fusion-bonding together or without fusion-bonding to an inner part of the dryer, and which is red...  
WO/2009/069462A1
A method of producing a polymerized toner involving the step of polymerizing a polymerizable monomer composition containing a coloring agent and a polymerizable monomer in an aqueous dispersion medium in the presence of a polymerization ...  
WO/2009/070803A1
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 dispers...  
WO/2009/070148A1
Toner compositions for electrophotographic printing are disclosed, along with methods for making such toners, and printing systems utilizing them. The disclosed process imparts qualities to the toner making it more efficiently and effect...  
WO/2009/038404A3
Provided is a method of preparing a toner, the method including: preparing a solvent emulsion by stirring a medium including a polar medium, an organic solvent, and a surfactant; adding toner components including a resin and a pigment to...  
WO/2009/060960A1
Disclosed is a coloring composition for use in the recording of an image or the formation of an image element, which is characterized by comprising a phthalocyanine dye having an alkyl group and/or an alkyloxy group (an alkyl phthalocyan...  
WO/2009/057807A1
A magnetic toner comprising magnetic toner particles containing a binder resin and a magnetic substance as the essential components, characterized in that in a test where magnetic toner is dispersed in 5mol/l hydrochloric acid and dissol...  
WO/2009/026360A3
An emissive toner composition for producing an emissive image component of an image indicia on a substrate. The emissive toner composition includes a photoluminescent agent, a charge control agent, and one or more additives, each selecte...  
WO/2007/024938A3
The invention relates to a process for the preparation of a dry toner powder containing a wax component derived from the use of an aqueous wax dispersion and formed using an evaporative limited coalescence process. Both dry and aqueous d...  

Matches 951 - 1,000 out of 62,985