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WO/2008/094994A1 |
In one aspect of the present system and method, a method for enhancing a chargeability of a liquid developer includes presenting a liquid developer and combining a Group 3 based on charge adjuvant with the liquid developer.
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WO/2008/095203A2 |
The present invention relates to controlling the mass flow of toner in an image forming device or a toner cartridge. The toner composition includes extra particulate additives including a conductive additive. The extra particulate additi...
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WO/2008/090916A1 |
This invention provides a magnetic toner which has good developing properties and is free from fogging and, even in a halftone site, can stably form images having a high level of blackness and free from uneven density. The magnetic toner...
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WO/2008/090919A1 |
A toner for electrostatic image development which comprises at least a binder resin, a coloring agent and a mold release agent is added with a polymerized rosin ester, a disproportionated rosin ester having a softening point of 108 to 13...
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WO/2008/090058A1 |
The invention relates to a new γ crystal modification of the pigment of formula (I) characterized by a CuKα X-ray powder diagram having maxima at 8.5, 14.7, 17.2, 26.0 and 28.4 2Θ, as well as to a process for its preparation and compo...
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WO/2008/088697A1 |
The present invention is a method of manufacturing toner particles that includes providing a first emulsion of a first aqueous phase comprising a pore stabilizing hydrocolloid dispersed in an organic solution containing a polymer. The fi...
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WO/2008/088700A1 |
The present invention is toner particle that includes a continuous phase of binder polymer and a second phase of hydrocolloid. The particle has a porosity of at least 10 percent.
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WO/2008/085707A1 |
Ink toners, methods of making ink, and methods of changing viscosity are disclosed.
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WO/2008/085709A1 |
Ink toners, electroink compositions, methods of making ink toners, methods of making electroink compositions, and the like are described.
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WO/2008/081587A1 |
Disclosed is a toner for electrophotography which is excellent in low-temperature fixability, hot offset resistance and image stability. Also disclosed is a toner binder used therefor. Specifically disclosed is a toner binder for electro...
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WO/2008/078497A1 |
A toner comprising toner base particles and an external additive. The toner base particles comprise core particles produced by: mixing, in an aqueous medium, at least a resin particle dispersion obtained by dispersing resin particles, a ...
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WO/2008/075807A1 |
The present invention provides a toner having a core-shell structure which is formed by aggregation-coalescence of latex particles having a bimodal particle size distribution. With the toner according to the present invention, it is easy...
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WO/2008/075463A1 |
Disclosed is a toner for electrophotography containing at least a binder resin. This toner for electrophotography is characterized in that (a) the tetrahydrofuran (THF)-soluble content in the toner has a first peak in the molecular weigh...
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WO/2008/075799A1 |
The method of preparing a toner of the present invention comprises the steps of preparing polymer binder resin latex particles (a) by polymerizing a toner composition including an urethane acrylate, a polymerizable monomer and a wax; pre...
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WO/2008/075804A1 |
The method of preparing a toner of the present invention comprises the steps of preparing polymer binder resin latex particles (a) by polymerizing a toner composition including a poly- merizable monomer and a reactive wax; and mixing and...
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WO/2008/075805A1 |
The present invention provides a method of preparing a toner, the method comprising the steps of: providing a polymer latex; forming toner particles by aggregation-coalescence of colorants, charge control agents and wax with said polymer...
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WO/2008/075808A1 |
The method for preparing a toner according to the present invention comprises a step of preparing polymer latex particles by putting a toner composition including a macro monomer having a hydrophilic group, a hydrophobic group and at lea...
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WO/2008/073232A1 |
The present invention is a method for the preparation of electrostatographic toner including the following steps. A polymer material is dissolved in an organic solvent to form an organic phase. The organic phase is dispersed in an aqueou...
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WO/2008/072919A1 |
There is provided a coating method of a toner capable of controlling a coating condition to effectively introduce an external additive into a surface of a polymerized toner that has excellent performances when compared to toners prepared...
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WO/2008/072925A1 |
There is provided a toner having good charging characteristics that is composed of a core region and a thin shell in which a charge control agent is densely distributed so as to improve charging characteristics of the toner, and a method...
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WO/2008/069339A1 |
A charging device includes a charging roller and a cleaning roller configured to make contact with the charging roller. The cleaning roller is rotated following the charging roller. A dynamic friction coefficient of a surface of the char...
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WO/2008/069045A1 |
Disclosed is a dye compound for a color toner, which satisfies all of the requirements with regard to the solubility in an organic solvent, color tone and light resistance and, when used in the production of a polymerized toner, does not...
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WO/2008/069599A1 |
There is provided a toner having narrow charge distribution, high chargeability and low imamge contamination, as well as excellent physical properties such as long-term stability, transfer property and image uniformity, by improving shap...
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WO/2008/066693A2 |
Provided according to some embodiments of the present invention are hybrid chemically-produced toners produced by a method including forming a resin component including a) at least one of a water reducible acrylic resin and a water dispe...
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WO/2008/065736A1 |
Disclosed is a resin composition for toners, which contains a resin (D) obtained by reacting a styrene polymer (A) containing an active hydrogen group and having a peak molecular weight (Mp) of not less than 30,000 but not more than 2,00...
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WO/2008/063453A1 |
Provided herein are polyester toner resins that may reduce or eliminate the use of Bis A, a common polyester toner resin material that may pose environmental and/or toxicity risks. In addition, the polyester toner resins according to som...
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WO/2008/061414A1 |
A durable and anti-fake toner for a laser printer includes polyester resin, polypropylene wax, charging material, dimethyl dichlorosilane, hexamethyldisilazane, and includes inorganic pigment and UV fluorescent dye. The composition of th...
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WO/2008/060095A1 |
The invention relates to toner particles having excellent charging characteristics and transferring properties, a method for producing the same and toner including the same. More particularly, the invention relates to toner particles, a ...
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WO/2008/059645A1 |
[PROBLEMS] To produce a hyperbranched polymer having excellent resin strength, a good anti-blocking property and less environmental dependence. [MEANS FOR SOLVING PROBLEMS] Disclosed is a hyperbranched ester polymer which is modified wit...
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WO/2008/059646A1 |
[PROBLEMS] To produce a hyperbranch polymer having excellent resin strength, a good anti-blocking property, and a low degree of environment dependency. [MEANS FOR SOLVING PROBLEMS] Disclosed are: an ester-type hyperbranch polymer which h...
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WO/2008/056519A1 |
A toner which comprises toner base particles and an external additive, wherein the toner base particles are ones obtained by fusing coating resin particles as second resin particles to core particles produced by aggregating at least bind...
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WO/2008/054386A1 |
An electro-graphic printing ink concentrate comprising tentacular ink particles at soli concentration of at least 30% nvs, in a liquid carrier.
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WO/2008/047775A1 |
Disclosed is a toner for electrophotography which comprises a specific iron azo complex or a metal compound of a specific benzilic acid derivative as a charge control agent, a coloring agent, and a polyester as a binder resin, wherein th...
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WO/2008/048875A2 |
The present invention relates to the combination of a chemically processed toner with extra particulate additive in a conical mixer. The toner may include polymer resins having a glass transition temperature (Tg) wherein the mixer and/or...
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WO/2008/044726A1 |
A toner which, even in a high-speed oil-less fixing system, is excellent in developing ability and low-temperature fixability and does not cause discharged-paper adhesion and which, even in borderless printing, can be free from paper sti...
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WO/2008/045085A1 |
A liquid developer for electrography, comprising toner particles dispersed in a liquid carrier, wherein the toner particles include a pigment, a thermoplastic resin, and an organic filler, which organic filler is reactive with groups of ...
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WO/2008/044322A1 |
A developing device, a process cartridge and an image forming device having their image densities sustained even if the outer diameter of a developing agent carrier is up to 12 mm, and fogging or density non-uniformity controlled to up t...
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WO/2008/038733A1 |
Toner particles which comprise core particles, a silane coupling agent layer formed on the surface of the core particles, a coating layer of fine thermoplastic resin particles which covers the core particles, and a charge control agent b...
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WO/2008/036099A1 |
A method for printing a substrate by liquid developer electrography, the method comprising: (a) developing a latent image with liquid developer comprising toner particles dispersed in a carrier liquid, said toner particles comprising UV-...
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WO/2008/035554A1 |
It is intended to provide a novel squarylium metal complex compound, and further to provide a dye which has a hue preferable for color reproducibility in the visible range and is excellent in fastness such as weather resistance and stora...
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WO/2008/032547A1 |
To provide an electrophotographic toner pulverizing apparatus and an electrophotographic toner pulverizing method for preventing reduction in wear resistance of a rotor, a stator, and the like even in long-term pulverizing of toner. The ...
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WO/2008/031592A1 |
Process for the production of a polyester by the polycondensation of a mixture comprising isoidide, and a dicarboxylic acid or dicarboxylic acid anhydride, wherein the reaction is performed in the melt of the monomers and wherein these m...
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WO/2008/031807A1 |
The invention relates to a method and a device (10) for determining different properties of a first toner and at least one second toner. A toner mixture is produced from first toner particles of the first toner and second toner particles...
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WO/2008/029863A1 |
To provide a toner including: toner particles which comprise: a colorant, a releasing agent, and a binder resin, wherein the number average diameter of the toner particles is in the range of from 3.5 μm to 6.5 μm where the number avera...
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WO/2008/027184A1 |
The present invention provides a custom color toner having a first particle size. Colored particles are attached to the surface of the base toner in an amount sufficient to provide a predetermined color to the base toner. The colored par...
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WO/2008/023657A1 |
Disclosed is a toner for electrophotography which has no problem about the dispersibility into a thermoplastic resin, can enables good color development, and has excellent transparency, color reproduction property, heat resistance, charg...
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WO/2008/020797A1 |
The invention relates to the use of a powder composition comprising at least 95% by weight of magnetite (Fe3O4) particles as a magnetisable component in a medium for magnetically storing information. At least 99,9% by weight of the magne...
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WO/2008/013522A1 |
Methods of making ink toners for use in electrostatic imaging are disclosed.
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WO/2008/001702A1 |
An electrostatic image-developing toner comprising a colored resin particle comprising a binder resin and a coloring agent and an external additive, wherein the external additive comprises a microparticle of an inorganic layered clay com...
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WO/2007/149461A2 |
A method for the preparation of electrostatographic toner comprising the steps of: a) dissolving a polymer material and a quaternary ammonium tetraphenylborate salt in an organic solvent to form an organic phase; b) dispersing the organi...
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