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WO/2012/033220A1 |
The present invention provides a toner that gives satisfactory fixing image quality in both high-speed fixing process and low-speed fixing process and shows excellent image quality for a long time by inhibiting inside contamination even ...
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WO/2012/033221A1 |
The present invention provides a toner showing an excellent fixing property even in high-speed image formation and inhibiting contamination of the inside of an apparatus and thereby being capable of stably forming high-quality images not...
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WO/2012/029611A1 |
A toner including a binder resin containing an ester bond, and a releasing agent, wherein the releasing agent includes first C30-C50 alkyl monoester compound and second C30-C50 alkyl monoester compound, wherein the number of carbon atoms...
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WO/2012/028005A1 |
The present invention provides a toner and a method of preparing the same. Wherein the toner has a honeycomb core-shell structure and has at least two core layers. Each core layer is fully covered with a shell layer.
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WO/2012/026607A1 |
There is provided an azo compound for improvement in the dispersibility of an azo pigment into a water-insoluble solvent. The azo compound is represented by the following general formula (1): Wherein R1 represents alkyl, or phenyl; R2 to...
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WO/2012/024985A1 |
An environmentally-friendly developer and a manufacturing method therefor. The environmentally-friendly developer comprises a petroleum-based resin, a bio-resin, a colorant, and a release agent. Particles of the release agent are uniform...
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WO/2012/026504A1 |
Provided is a pigment dispersant for improving the dispersibility of an azo pigment for a water-insoluble solvent. More specifically, provided is a polyester, including at least one unit represented by one of the following formula (1) an...
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WO/2012/026378A1 |
A novel compound that can improve the dispersibility of an azo pigment in a non-water-soluble solvent is provided, which is represented by the following formula (1).
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WO/2012/017832A1 |
Polyglycolic acid particles comprising polyglycolic acid with (a) 70 mole% or more of glycolic acid units, (b) Mw of thirty thousand to eight hundred thousand, (c) Mw/Mn of 1.5 to 4.0, (d) melting point of 197°C to 245°C, and (e) melt ...
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WO/2012/017635A1 |
A toner binder resin contains a vinyl resin (A), an amorphous polyester resin (SN), and a crystalline saturated polyester resin (SC). The content of the vinyl resin (A) is 65 mass % to 95 mass % with respect to the total value of 100 mas...
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WO/2012/015786A1 |
A method for forming surface decorated particles including stabilizing dispersed hydrophobic phase particles in an aqueous phase with fine inorganic particles having a relatively hydrophilic surface; and treating the stabilized dispersed...
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WO/2012/015891A1 |
A surface decorated particle including a core particle phase having an outer surface; and fine inorganic particles on the outer surface of the core particle phase; wherein the fine inorganic particles have hydrophobic groups covalently b...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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 ...
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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 ...
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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...
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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).
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WO/2011/126552A2 |
Hydrophobic silica particles are produced by reacting them with a hydrosiloxane agent.
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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.
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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...
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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 ...
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WO/2011/122270A1 |
The disclosed carrier core material for an electrophotographic developer has a composition represented by general formula: MnxFe3-xO4+y (0
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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...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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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...
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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 (...
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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...
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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 ...
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WO/2011/083970A2 |
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...
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WO/2011/082556A1 |
The invention discloses a method for producing electrostatic image developing toner. The method comprises: agglutinating resin particles in aqueous medium to produce electrostatic image developing toner including resin, colorants and wax...
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WO/2011/083969A2 |
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...
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WO/2011/078163A1 |
Disclosed is an asymmetrical polyazo dye obtained by linking a monoazo dye residue (A) and a different monoazo dye residue (B) via an allylene poly(carboxamide) group. The asymmetrical polyazo dye is characterized in that each monoazo dy...
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