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WO/2009/010447A1 |
Metal oxides which are modified with groups of the general formula (I) -O1+n-Si(OR1)2-n-R2-NR3 2 are defined, wherein n can be 0, 1, 2, wherein R1 can be a hydrogen atom or a C-O bonded C1-C15 hydrocarbon moiety or an acetyl moiety, R2 c...
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WO/2009/011746A1 |
Electrographic printing of raised multidimensional toner shapes having a particular profile by electrographic techniques. Such electrographic printing comprises the steps of forming a desired print image, electrographically, on a receive...
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WO/2009/011424A1 |
A nonmagnetic toner which comprises toner particles comprising a binder resin, a colorant, and a wax ingredient and an inorganic fine powder, characterized in that 1) when a temperature at which the value of loss tangent (tanĪ“), which i...
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WO/2009/008251A1 |
The present invention provides a toner containing at least two binder resins composed of at least a resin A and a resin B which are incompatible with each other, and a colorant, wherein the toner has an average circularity of 0.93 to 0.9...
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WO/2009/008433A1 |
In a magnetic carrier, the surface of a magnetic body core material is coated with a coating layer containing conductive particles and a charge control agent composed of the same components as the charge control agent contained in the to...
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WO/2009/009010A1 |
This invention provides metal oxide particles surface-treated with a cyclic silazane and a hydrophobicity-imparting agent, methods of making such, and toner compositions comprising the same.
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WO/2009/009011A1 |
The invention provides metal oxide particles surface-treated with at least one alkoxysilane compound, methods of making such, and toners comprising same.
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WO/2009/009008A1 |
This invention provides metal oxide particles surface-treated with a hydrophobicity- imparting agent, methods of making such, and toner compositions comprising the same.
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WO/2009/005208A1 |
A method for producing a toner is provided. The method comprises the steps of (1) dispersing a water-soluble polyvinyl alcohol having a degree of polymerization of 1,500 to 2,500 and a degree of saponification of 75 to 98% in an aqueous ...
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WO/2009/005335A2 |
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...
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WO/2009/001042A1 |
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 greater than 5mg KOH/g, the process comprising: providing an aqueous dispersion of polyes...
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WO/2009/001925A1 |
This invention provides an electrophotographic photoreceptor, which has excellent electric characteristics and, even when repeatedly used for a long period of time, can stably form good images having a high resolution and a good quality,...
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WO/2009/001044A1 |
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...
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WO/2008/156117A1 |
A color toner which reconciles high-temperature storability with low-temperature fixing and comprises spherical particles having a small particle diameter and a narrow particle size distribution. The color toner comprises capsule type to...
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WO/2008/153105A1 |
An image-forming apparatus and a cartridge which inhibit troubles attributable to toner particle size distribution or toner/photoreceptor matching, such as a white-background fouling, afterimage, scattering, streaks, blurring, and blind ...
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WO/2008/153972A2 |
A chemical toner is described as well as methods of preparing the same.
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WO/2008/149740A1 |
The object is to develop a resin for a toner, which has both of hot offset resistance and a low-temperature fixing property even when used in a high-speed and energy-saving toner. Thus, disclosed is a resin for a toner, which comprises a...
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WO/2008/148201A1 |
Magnetic ink and toner compositions traditionally comprise magnetic materials in fine particulate form, either as a dry composition or a liquid suspension. Often such materials are black or dark in colour. Disclosed herein are particles ...
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WO/2008/150028A1 |
Provided is magnetic toner which has an excellent low-temperature fixation characteristic and can reduce contamination of a pressure roller even in various use conditions, which suppresses an image defect such as image irregularities so ...
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WO/2008/150034A1 |
An image forming method capable of realizing stable image density irrespective of the use environment even when the method is applied to a reduced-diameter development sleeve and not causing image defects such as photographic fog, tailin...
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WO/2008/146881A1 |
This invention provides a positively chargeable toner for electrical static image development, which can cope with a toner make-up-type image forming apparatus, is excellent in charging stability of the toner in the make-up of the toner,...
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WO/2008/146527A1 |
This invention provides a developing agent which can stably maintain the electrification amount of a toner and can realize the output of a high quality image for a long period of time. The developing agent comprises a carrier and a toner...
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WO/2008/143267A1 |
A pulverizing and coarse powder classifying apparatus including: a mechanical pulverizer that pulverizes a powder raw material, a cyclone that collects pulverized powder, and a coarse powder classifier that separates coarse powder from t...
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WO/2008/143335A1 |
The present invention provides a method for producing a toner that can suppress the production of the decomposition products derived from a polymerization initiator, and can suppress the remaining presence, in the toner particles, of the...
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WO/2008/139678A1 |
This invention provides a toner comprising core particles produced by aggregating individual particles from a resin particle dispersion liquid with resin particles dispersed therein, a colorant particle dispersed liquid with colorant par...
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WO/2008/135725A1 |
A process for the manufacture of a toner comprising toner particles which comprise at least resin and colorant, the process comprising the steps of: providing a mixed dispersion of at least primary resin particles and primary colorant pa...
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WO/2008/135726A1 |
A process for the manufacture of a toner comprising toner particles which comprise at least resin and colorant, the process comprising the steps of: providing a mixed dispersion of at least primary resin particles, primary colorant parti...
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WO/2008/133799A1 |
The present invention is toner particle that includes a binder resin and nonionic organic polymer particles. The particle has porosity.
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WO/2008/133166A1 |
Disclosed is a resin emulsion which can be emulsified well even when a crosslinked polyester resin is used as a binder resin, and which can provide a toner having excellent storage stability. Also disclosed is a method for producing the ...
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WO/2008/130705A1 |
The present invention is a method for the preparation of porous particles that includes dissolving a polymer material in a first organic solvent and adding a second organic solvent and nonionic organic polymer particles to form an organi...
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WO/2008/126865A1 |
Upgrading is attained in the development, transfer and fixation of toner. The toner is one having toner particles containing at least a binder resin, a wax and a colorant, characterized in that the glass transition temperature (TgA), as ...
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WO/2008/126960A1 |
Disclosed are a multi-functional color toner composition and methods of preparing and using the same. The multi-functional color toner composition is prepared by mixing a stain including a dye or a pigment, a resin for foam or leather, f...
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WO/2008/126869A1 |
This invention provides a carrier for an electrophotographic developing agent, which can realize an improved image quality and a full color image and, at the same time, has reduced carrier scattering properties, a process for producing t...
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WO/2008/120637A1 |
This invention provides a carrier for a two-component developing agent for eletrophotography, which has good fluidity and, at the same time, has proper surface irregularities necessary for imparting electrification , and is free from cra...
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WO/2008/116498A1 |
Electrostatic charge image developing toner Electrostatic charge image developing toner containing external additives comprising pyrogenically prepared surface modified silicon-dioxide-titanium mixed oxides.
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WO/2008/117752A1 |
A carrier for electrophotographic developer ensuring high resolution and full colorization, while reducing scattering. Its production method, and an electrophotographic developer containing the carrier are also provided. A carrier core m...
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WO/2008/118863A1 |
A set of colorants for printing a multi-colored image when viewed under non-visible radiation outside of the visible spectrum can include a first colorant and a second colorant. The first colorant can be capable of absorbing non-visible ...
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WO/2008/114655A1 |
A toner manufacturing method, a toner manufacturing apparatus, and a toner are disclosed. The toner manufacturing apparatus includes a droplet generating unit that includes a thin film in which plural nozzles are formed, and an annular v...
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WO/2008/113582A1 |
The invention relates to a liquid developer composition comprising a dispersant, and toner particles dispersed in said dispersant. The liquid developer composition can be used for printing onto a substrate. The binder resin in the toner ...
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WO/2008/111583A1 |
A process for polymerization toner production which can inhibit a polymerization initiator from generating decomposition products and inhibit an unreacted monomer and a decomposition product residue from remaining in the toner particles....
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WO/2008/113034A1 |
The present disclosure relates to chemically processed toner, wherein fuser release agent (wax) may be dispersed in a fluid containing a dispersant. Introduced to the wax dispersion are one or more polymerizable monomers which may be pol...
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WO/2008/111726A1 |
Disclosed herein are a binder resin composition for toner, which can provide a toner having excellent sharp melt properties and low-temperature fixing properties, and a toner containing the binder resin composition. The polyester resin c...
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WO/2008/108167A1 |
Disclosed is a copolymer (D) characterized by containing a methacrylic polymer unit (A) having at least one group represented by the general formula (1) below at an end, and an aromatic vinyl monomer unit (B). The copolymer (D) is also c...
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WO/2008/109000A1 |
Provided herein are methods of forming an aqueous dispersion suitable for use in a chemically produced toner that include a) dissolving a polyester resin in a volatile organic solvent to form a solution of the polyester in the volatile o...
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WO/2008/105396A1 |
A development apparatus having a toner accommodation part for accommodation of toner and a development roller provided on its outer circumferential surface with a rugged area for toner support.The toner consists of a resin base particle ...
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WO/2008/105459A1 |
A positively electrifiable toner for electrostatic-image development which prevents a photoreceptor from being damaged by an external additive and suffering filming, can impart long-lasting stable electrification characteristics and flow...
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WO/2008/102742A1 |
The object is to produce an aqueous dispersion of a resin microparticle having a desired particle size range and a narrow particle size distribution, by using a resin having a relatively high softening temperature (Tm) without the need o...
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WO/2008/103944A2 |
The present disclosure relates to chemically processed toner that makes use of aqueous dispersions of release agent and/or pigment and solutions of a polymeric resin binder. The polymer solution may be prepared in an organic solvent wher...
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WO/2008/102976A1 |
Provided are a method of preparing a toner having a core-shell structure and a toner prepared using the method. The method includes: preparing a mixture by mixing a resin with acid groups, a coloring agent and at least one additive with ...
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WO/2008/102975A1 |
Provided are a method of preparing a toner using a micro-suspension particle, and a toner prepared using the method. The method of preparing the toner using the disclosed micro-suspension particle include preparing a mixture by mixing a ...
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