Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 701 - 750 out of 62,986

Document Document Title
WO/2012/086688A1
A method for producing an electrostatic latent image developing toner, which comprises a step (1) for obtaining agglomerated particles by mixing and agglomerating resin particles (A), mold release agent particles and a flocculant that is...  
WO/2012/077503A1
A method for forming fixed images including the step of applying a toner for electrostatic image development containing at least a resin binder, a colorant, and a releasing agent to an apparatus for forming fixed images without a filter ...  
WO/2012/074034A1
A toner having toner particles, each of which contains a binder resin, a wax and inorganic fine particles, wherein the inorganic fine particles are fixed at the surface of the toner particles as a result of a surface treatment by hot air...  
WO/2012/073911A1
The present invention provides a toner excellent in low-temperature fixability and also excellent in heat-resistant storage property, offset resistance, and durability. In a process for producing a toner containing toner particles by emu...  
WO/2012/073756A1
The present invention provides a positive electrostatic charge control agent which contains, as active ingredients, one or more rhodanine compounds that are represented by general formula (1). (In the formula, R1 represents a hydrogen at...  
WO/2012/074035A1
Provided is a two-component developer having excellent developing performance and little change in image concentration, and achieving long-term suppression of image defects such as transfer failure and fogging. Provided is a two-componen...  
WO/2012/070388A1
To provide a toner, which contains: a binder resin; a colorant; and wax, wherein the toner has Ta of 30°C to 55°C, and Tb-Ta of 8°C to 25°C, where Ta is a glass transition temperature of the toner determined from a constant heating c...  
WO/2012/070240A1
Provided is an α-olefin polymer that satisfies the belowmentioned (1)-(4): (1) the average number of carbon atoms in the α-olefin that configures the polymer is 6.0-14 inclusive; (2) molecular weight distribution (Mw/Mn) ≤ 2.0; (3) 3...  
WO/2012/070389A1
A toner including a binder resin and a colorant, the toner having a core-shell structure containing a core and a shell, wherein the binder resin contains a crystalline polyester resin and a non-crystalline polyester resin, wherein a rati...  
WO/2012/068192A1
A silicate-free alkaline aqueous developer composition has a pH of at least 12 and comprises a metal cation M2+ selected from barium, calcium, strontium, and zinc cations, and a chelating agent that has a complex formation constant (log ...  
WO/2012/063960A1
Electrostatic image developing toner particles including: a crystalline polyester resin; a non-crystalline polyester resin; a releasing agent; and a colorant, wherein the electrostatic image developing toner particles have a glass transi...  
WO/2012/063157A1
The present invention relates to a composition of a decorative ink used on sheets and/or reels of cellulose and/or plastic in the field of the graphic arts. The present invention also relates to a process for obtaining said composition, ...  
WO/2012/056910A1
To provide a toner, which contains: base particles each having a core-shell structure, where a core of the base particle contains crystalline polyester, non-crystalline polyester, a colorant, and a releasing agent, and a shell of the bas...  
WO/2012/057233A1
A binder resin for toners, which comprises an amorphous polyester having a furan ring; and a toner for electrophotographic purposes, which contains the binder resin. This binder resin for toners can be used suitably in a toner which can ...  
WO/2012/053653A1
A toner contains a binder resin, a colorant, and a releasing agent, wherein the toner contains toner particles, and wherein a proportion of the toner particles containing one or more voids having diameters D1 of larger than 0.0μm but 0....  
WO/2012/049900A1
A carrier core material for electrophotography developers has as a principal component a core composition represented by the general formula (MnxMgyCaz) FeWO4+V (x+y+z+w=3, -0.003
WO/2011/143255A3
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/2012/050231A1
A toner including base particles each containing a crystalline polyester and a non-crystalline polyester, wherein the toner has a glass transition temperature of 45°C or higher where the glass transition temperature is determined from a...  
WO/2012/046353A1
The present invention provides a pigment dispersion having high productivity and excellent pigment dispersion stability even in the case of a fine pigment or a high pigment concentration, a method for producing the pigment dispersion, a ...  
WO/2012/047195A1
The present disclosure is drawn to LEP toners, systems, and methods of manufacturing LEP liquid toners. Specifically, a high NVS liquid toner can comprise a ground up admixture of a hydrocarbon carrier fluid, pigment particles, and a pol...  
WO/2012/046747A1
To provide a toner having a superior developing performance while preventing any fixing assembly from being contaminated, the toner has toner particles which have toner base particles containing at least a binder resin, a colorant and a ...  
WO/2012/046445A1
Provided is a toner binder having excellent charging characteristics and blocking resistance, and an increased range of fixing temperatures when used as a toner. The present invention is a toner binder containing a polyester resin (P) co...  
WO/2012/046811A1
Provided is a toner binder which combines excellent low-temperature fixing properties and excellent hot-offset resistance (namely which permits a wide fixing-temperature range) and which exhibits excellent storage stability. The toner bi...  
WO/2012/046584A1
To provide a toner, containing: a binder resin; a colorant; a releasing agent; and a crystalline polyester resin, wherein the toner satisfies the following formulae (1) to (3): 40°C ≤ X≤ 55°C Formula (1) 85°C ≤ Y ≤ 92°C Formu...  
WO/2012/046827A1
The invention provides a toner that is capable of low- temperature fixing even in high-speed electrophotographic processes while keeping the cleaning performance when used at high te.mperatures and the high-temperature storage stability....  
WO/2012/043531A1
The present invention provides: a toner for electrophotography, which is characterized in that the toner contains a binder resin, a poly(3-hydroxybutylate-co-3-hydroxyhexanoate) (hereinafter referred to as PHBH) and a coloring agent and ...  
WO/2012/043852A1
To provide a toner containing: a binder resin containing a non-crystalline polyester resin and a crystalline polyester resin; a colorant; and wax, wherein the toner satisfies the following formula 1, and has loss tangent of 1 or smaller ...  
WO/2012/035876A1
The present invention provides a toner for electrophotography capable of achieving high color reproducibility in a wide brightness region ranging from high to low brightness. This toner for electrophotography containing a compound repres...  
WO/2012/036171A1
Provided is a charge control agent for electrophotographs that frictionally electrifies a toner sufficiently, and particularly, a charge control agent that is useful for color toners and for polymerized toners, that increases the rise ra...  
WO/2012/035996A1
[Problem] To provide a charge control agent without containing heavy metal components, not only without harming the environment but also being colorless or light color, capable of applying to a color toner, further, being hardly affected...  
WO/2012/034666A1
The invention relates to polymer particles, comprising a polymer matrix having a coating of an inorganic semimetal oxide or metal oxide, wherein the polymer matrix comprises at least one first functional group A and at least one second f...  
WO/2012/035990A1
The present invention provides a charge control agent containing one or more thiazolidinedione derivative, represented by general formula (1) below, as an active constituent. [In the formula: R1 represents a hydrogen atom etc.; R2 repres...  
WO/2012/036311A1
An object of the present invention is to improve resistance to wraparound during fixing while achieving both low-temperature fixability and resistance to hot offset. A further object is to suppress image density variations and fogging in...  
WO/2012/036255A1
A toner with good low-temperature fixability even in light-pressure type fixing units, which causes no contamination of fixing films and provides images having stable image densities and excellent image quality after long-term use. The t...  
WO/2012/032847A1
This liquid developer contains toner particles which each comprise both a resin and a pigment, wherein the resin contains a vinyl copolymer resin that comprises, as constituent monomers, a first monomer consisting of at least one monomer...  
WO/2012/032717A1
A dye compound which improves the dispersibility of an azo pigment in a non-aqueous solvent is provided. The dye compound is represented by general formula (1). R1 represents a C1-6 alkyl group or a phenyl group. R2 to R6 represent a hyd...  
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 ...  
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...  
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...  
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.  
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...  
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...  
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...  
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).  
WO/2011/145107A4
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/2011/126552A3
Hydrophobic silica particles are produced by reacting them with a hydrosiloxane agent.  
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 ...  
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...  
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...  
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...  

Matches 701 - 750 out of 62,986