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Patent Searching and Data


Matches 751 - 800 out of 62,986

Document Document Title
WO/2012/011546A1
In the measurement of an endothermic amount of a toner, (1) an endothermic peak temperature (Tp) derived from the binder resin is 50°C or higher and 80°C or lower; (2) a total endothermic amount (ΔH) derived from the binder resin is 3...  
WO/2011/102696A3
The present invention relates to a polymerized toner and a method for preparing the same, in which the polymerized toner has superior offset characteristics, improves transfer efficiency, and forms uniform images, and therefore can give ...  
WO/2011/102635A3
Disclosed is a preparation method for a toner. Problems according to use of a surfactant can be solved and it is possible to prepare toner particles having a uniform distribution of particle size by using an alkali-soluble resin containi...  
WO/2011/145107A3
Method for producing structured particles specifically nanoparticles, toners for laser printers and photocopiers, particularly chemical toner with particular product properties. The method produces toners of improved performance. Method ...  
WO/2011/105793A3
The present invention relates to a polymer toner and to a method for manufacturing same, wherein the toner comprises a low molecular weight polymer composition having a weight average molecular weight of 3,000 to 30,000. When the polymer...  
WO/2011/096737A3
Disclosed is a method for producing toner. The method for producing toner by emulsion aggregation according to the present invention, comprises adjusting viscosity at a homogenization stage, to thereby obtain toner particles having a den...  
WO/2012/002278A1
Provided is a toner for electrostatic image development, which has excellent fluidity and inhibits reduction in the amount of toner charge and generation of fogging in high-temperature, high-humidity environments. The toner for electrost...  
WO/2011/096736A3
Disclosed is a method for producing toner. The method for producing toner according to the present invention involves adjusting the density of a surfactant, the density of a coagulant, and the density of a hydrogen ion in a reaction liqu...  
WO/2011/096733A3
Disclosed is a method for producing toner. The method for producing toner according to the present invention comprises adjusting the density of a dispersion stabilizer, the density of a coagulant, and the density of a hydrogen ion in a r...  
WO/2011/096730A3
Provided is a toner having excellent blocking resistance and flowability. The toner comprises a binder resin, a releasing agent, a colorant and an external additive, wherein the toner particles satisfy expression (1): 2.0≤RD/TD≤2.5 (...  
WO/2011/158611A1
The disclosed liquid developer is characterized by: containing toner particles, an insulating liquid, and a dispersing agent; said toner particles containing at least resin and a pigment dispersed within said resin; said resin being a po...  
WO/2011/158589A1
Disclosed is a carrier core material for an electrophotographic developer, which has a core composition represented by the following general formula: Fe3O4 as a main component and contains Na in an amount of 30-400 ppm (inclusive). The c...  
WO/2011/152434A1
A magnetic toner which has superior charging stability and charging uniformity, maintains stable developing performance without any dependence on service environments and may less cause any decrease in image density and any image defects...  
WO/2011/148545A1
The present invention is intended to provide a novel alcohol compound such that it is possible to use renewable resources for some of the starting materials, and a polyester resin, unsaturated polyester resin, resin particle and electrop...  
WO/2011/145107A2
Method for producing structured particles specifically nanoparticles, toners for laser printers and photocopiers, particularly chemical toner with particular product properties. The method produces toners of improved performance. Method ...  
WO/2011/143255A2
Disclosed herein is a dispersion comprising a liquid or semi-solid continuous phase, a dispersed solid phase comprising a plurality of organic, inorganic or inorganic-organic particles, and an alkyl ketal ester having the structure (I) w...  
WO/2011/083969A3
Disclosed is a toner for use in an electronic photograph-duplicating process or in an electrostatic printing process, and a polyester resin included in the toner as a binder. The polyester resin comprises lactic acids (D or L-lactic acid...  
WO/2011/142482A1
A toner is provided that exhibits a high long-term image stability even during high-speed printing and that also exhibits an excellent environmental stability. The toner comprises a binder resin, a colorant, and a nonionic surfactant, wh...  
WO/2011/074901A3
The present invention provides a toner having excellent cleaning and glossing properties. The toner comprises: toner particles with size and distribution which satisfy the conditions of the following equations (1) and (2): (1) 50℃ ≤ ...  
WO/2011/136997A1
The present invention relates to a porous toner particle with encapsulated metallic flakes. The porous particle containing metallic flakes can be useful for reproduction of a metallic hue upon fusing to a substrate, preferably golden or ...  
WO/2011/074900A3
The present invention provides a high transcription efficiency toner which reduces toner consumption since less toner is used. The toner comprises: toner particles with size and distribution which satisfy the conditions of the following ...  
WO/2011/136811A1
A digital printing composition includes a carrier and a colorant. The carrier includes a hydrocarbon having at least one unsaturated bond. The hydrocarbon is configured to at least one of polymerize or crosslink in the presence of a char...  
WO/2011/074899A3
Disclosed is a toner manufacturing method. Excellent toner particles are manufactured by using a wax which is encapsulated with a mini emulsion made by polymerization of a styrene - alkyl acrylate resin, which show excellent storage stab...  
WO/2011/083970A3
Disclosed are a toner used in an electronic photocopying process or static printing process, and a polyester resin comprised as a binder in the toner. The polyester resin contains lactic acid (D- or L-lactic acid) or a lactide (D- or L-l...  
WO/2011/132318A1
Provided is an amorphous polyester resin capable of imparting sufficient levels of the mutually contradictory properties of hot offset resistance and cold offset resistance, which are significant issues in toners for electrostatic image ...  
WO/2011/132319A1
Provided is an amorphous polyester resin capable of imparting sufficient levels of the mutually contradictory properties of hot offset resistance and cold offset resistance, which are significant issues in toners for electrostatic image ...  
WO/2011/049404A3
The present invention relates to a polyester resin produced by adding an anti-hydrolysis agent to reactants comprising acids selected from alkylester of aromatic dibasic acid or a mixture of alkylester of aromatic dibasic ester and alkyl...  
WO/2011/074902A3
Disclosed is a method for manufacturing toner. The manufacturing method of the present invention, comprises a toner particle aggregation step in which a first coagulant with metal salts is used, which provides toner particles with narrow...  
WO/2011/129058A1
Provided is a nonaqueous dispersion of resin particles, in which the resin particles have uniform particle diameters and shapes and which exhibits excellent fixing properties, particularly when used as a liquid electrophotographic develo...  
WO/2011/129430A1
Disclosed is a pigment composition which comprises a monoazo pigment and a monoazo pigment derivative having either a group represented by formula (3) or a group represented by formula (4).  
WO/2011/126552A2
Hydrophobic silica particles are produced by reacting them with a hydrosiloxane agent.  
WO/2011/125795A1
A polymer characterized by: comprising repeating units that each contain in the main chain a skeleton derived from dehydroabietic acid; and having a glass transition temperature of 80°C or lower.  
WO/2011/125647A1
Disclosed is a carrier core material for an electrophotographic developing agent, which comprises, as the primary ingredient, a core composition represented by the general formula MnxFe3-xO4+y (0 < x ≤ 1, 0 < y), and contains 0.1 wt% o...  
WO/2011/122691A1
A toner is provided which has toner particles and an inorganic fine powder; the toner particles being obtained by suspension polymerization using a specific polar resin. The toner is a toner in which; where, in displacement levels found ...  
WO/2011/122270A1
The disclosed carrier core material for an electrophotographic developer has a composition represented by general formula: MnxFe3-xO4+y (0
WO/2011/115304A1
A toner obtained by a method for producing a toner, which includes dissolving or dispersing in an organic solvent a toner material containing at least a binder resin, and a dispersion liquid of a crystalline polyester resin, so as to pre...  
WO/2011/114985A1
Provided is a toner for developing electrostatic images, which has excellent fixability, excellent separability, excellent preserving properties (antiblocking properties), high print durability, high print durability after allowing to st...  
WO/2011/111861A1
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 to the compressive fluid and the plasticiz...  
WO/2011/105334A1
Provided is a charge controlling agent which comprises, as the active ingredient, one or more kinds of rhodanine compounds represented by general formula (1). In general formula (1), R1 represents a hydrogen atom, etc.; R2 represents a h...  
WO/2011/105793A2
The present invention relates to a polymer toner and to a method for manufacturing same, wherein the toner comprises a low molecular weight polymer composition having a weight average molecular weight of 3,000 to 30,000. When the polymer...  
WO/2011/105243A1
Provided is a magenta toner combining high light-fastness and high image density. The magenta toner contains magenta colored resin granules containing a binder resin and magenta pigments. C.I. pigment red 31 and C.I. pigment red 269 are ...  
WO/2011/102696A2
The present invention relates to a polymerized toner and a method for preparing the same, in which the polymerized toner has superior offset characteristics, improves transfer efficiency, and forms uniform images, and therefore can give ...  
WO/2011/102635A2
Disclosed is a preparation method for a toner. Problems according to use of a surfactant can be solved and it is possible to prepare toner particles having a uniform distribution of particle size by using an alkali-soluble resin containi...  
WO/2011/053014A3
The present invention relates to a production method for polymerised toner, and more particularly relates to a production method for toner comprising the steps of: forming an aqueous dispersion medium containing calcium phosphate; formin...  
WO/2011/102993A1
Electrophotographic printing of one or more layers of toner to enable the printing of a wide range of toner mass lay down using electrophotography to produce prints with raised letters. This method encompasses the steps of forming multic...  
WO/2011/096733A2
Disclosed is a method for producing toner. The method for producing toner according to the present invention comprises adjusting the density of a dispersion stabilizer, the density of a coagulant, and the density of a hydrogen ion in a r...  
WO/2011/096737A2
Disclosed is a method for producing toner. The method for producing toner by emulsion aggregation according to the present invention, comprises adjusting viscosity at a homogenization stage, to thereby obtain toner particles having a den...  
WO/2011/096730A2
Provided is a toner having excellent blocking resistance and flowability. The toner comprises a binder resin, a releasing agent, a colorant and an external additive, wherein the toner particles satisfy expression (1): 2.0≤RD/TD≤2.5 (...  
WO/2011/096736A2
Disclosed is a method for producing toner. The method for producing toner according to the present invention involves adjusting the density of a surfactant, the density of a coagulant, and the density of a hydrogen ion in a reaction liqu...  
WO/2011/093276A1
The disclosed carrier core material (11) for electrophotographic developers contains lithium in the core composition thereof. If the carrier core material (11) for electrophotographic developers is immersed in a tenfold amount by weight ...  

Matches 751 - 800 out of 62,986