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Patent Searching and Data


Matches 651 - 700 out of 63,295

Document Document Title
WO/2012/173165A1
Provided is an apparatus for heat treatment capable of heat-treating toner particles efficiently and uniformly while suppressing increase of coarse particles due to coalescence, to thereby enable stable toner production. The apparatus fo...  
WO/2012/169502A1
A toner has a weight-average particle diameter (D4) of 3.0 μm or more and 8.0 μm or less, wherein the average circularity analyzed by dividing particles of the toner having an equivalent circle diameter of 1.98 μm or more and less tha...  
WO/2012/165636A1
A toner having toner particles, each of which has a core-shell structure wherein a shell phase that contains a resin (B) is formed on a core that contains a binder resin (A), a coloring agent and a wax. The toner is characterized in that...  
WO/2012/165639A1
A toner having core-shell structure toner particles that form shell phases including a resin (A) on a core including a binder resin, a colorant, and a wax; the resin (A) being a vinyl resin obtained by copolymerizing a vinyl monomer (X) ...  
WO/2012/165637A1
A toner comprising toner particles, said toner particles having a core-shell structure wherein a shell phase containing resin (A) is formed around a core containing a binder resin, a colorant and a wax, characterized in that: in differen...  
WO/2012/165638A1
A toner containing toner particles which contain a binder resin that is mainly composed of a polyester, a coloring agent and a wax. The toner is characterized in that: the binder resin contains a block polymer wherein a moiety capable of...  
WO/2012/161138A1
Provided is an electrostatic image developer which has low charge fluctuation, does not cause fogging and has excellent environmental stability even in low temperature, low humidity environments, normal temperature, normal humidity envir...  
WO/2012/157713A1
A charge control resin is provided that can rapidly increase charging, can produce excellent charging characteristics, and can be easily manufactured. The charge control resin contains a polymer as an active constituent that has a consti...  
WO/2012/157780A1
A toner including toner particles, each of which comprising a charging component, a polymer having a partial structure represented by the following formula (1) as the side chain, and a colorant: (R1 represents a hydroxyl group, a carboxy...  
WO/2012/157782A1
Provided is a toner having high charging rapidity to reach a sufficient charging amount in a short time, high stability of charging from the initial stage to a time when a large amount of sheets is printed out, and high stability of char...  
WO/2012/155375A1
A two-component developer is at least consisted of a toner and a carrier. The toner is produced by mixing a dispersion of colorant-containing resin particles and a dispersion of wax-containing resin particles and coagulating to give colo...  
WO/2012/157781A1
A toner including toner particles containing a binder resin, a colorant and a charge controlling agent, wherein the charge controlling agent is a polymer A having a structure "a" represented by formula (1), and the polymer A has a weight...  
WO/2012/153696A1
Provided is the following magnetic carrier. The magnetic carrier maintains high developing performance even when the number of sheets to be output is large. Its charge-providing performance hardly reduces even when toner or an external a...  
WO/2012/153669A1
The present invention provides a pigment dispersion excellent in dispersibility. Furthermore, the present invention provides a color filter yellow resist composition and an ink composition, which include the pigment dispersion. A pigment...  
WO/2012/147991A1
An electrostatic image developing toner including: toner base particles each including a binder resin and a colorant; and an external additive, wherein the toner base particles each have protrusions on a surface thereof, an average of le...  
WO/2012/147988A1
A toner including: toner particles each including a toner base particle and an external additive attached thereon, where the toner base particle includes a binder resin and a colorant, wherein the toner base particles each have protrusio...  
WO/2012/141211A1
The main purpose of the invention is to provide microparticles, particle sets, an anti-counterfeiting ink, an anti-counterfeiting toner, an anti-counterfeiting sheet, and an anti-counterfeiting medium that enable sophisticated authentica...  
WO/2012/141260A1
The present invention provides: a magnetic carrier for electrophotographic developers which has excellent durability and which has stable charging characteristics to diminish toner spending due to adhesion to the magnetic carrier; and a ...  
WO/2012/087031A3
The present invention provides a polymerization toner having superior anti-static and storing properties. The polymerization toner comprises a binder resin and a colorant, and the dielectric rate of the binder resin is between 2.8 and 3.7.  
WO/2012/133871A1
A polymerizable monomer is provided which is represented by the following formula (1): wherein R1 represents a hydrogen atom or an alkyl group; A represents -CO- or -SO2-; and the moiety represented by the formula (1) is, at the part sho...  
WO/2012/133881A1
To provide a polymeric compound having superior charge-providing properties, the polymeric compound contains at least one unit represented by the following general formula (5). General formula (5) In the general formula (5), R1 represent...  
WO/2012/087027A3
Disclosed is a method for manufacturing toner. The method for manufacturing toner according to the present invention uses specific polyester resin to obtain toner with a wide range of fixing temperatures and superior gloss and density of...  
WO/2012/132906A1
A toner comprising at least a binder resin, a coloring agent and a mold release agent, wherein the binder resin comprises a polyester resin (A) that is produced by polycondensing an aromatic dicarboxylic acid, rosin and an alcohol having...  
WO/2012/133967A1
Disclosed is a method for manufacturing a toner. The method for manufacturing a toner of the present invention manufactures polyester resin dispersed liquid by inserting ingredients according to a specific order into a single reactor, th...  
WO/2012/087030A3
Provided is a method for manufacturing a toner. By using a wax dispersion liquid containing silica, the toner which does not have an unpleasant odor can be achieved without influencing other physical properties of the toner.  
WO/2012/133471A1
A toner is provided in which low-temperature fixing properties and high-temperature offset resistance can be compatible, and the environmental stability of image density can also be obtained. A toner obtained by condensation polymerizati...  
WO/2012/133645A1
Provided are a magnetic iron oxide particle powder having high binding property with resin, and a magnetic carrier for an electrophotographic developer in which durability is improved by increasing adhesiveness between a magnetic carrier...  
WO/2012/109045A3
Printed products, printing methods and methods for authenticating a printed product are provided. In one aspect, the printed product has a receiver member and an image formed thereon by an electrophotographic printing process using toner...  
WO/2012/130303A1
The present disclosure is drawn to a liquid toner composition comprising: (a) a carrier liquid; (b) particles comprising (i) a first component comprising a polymer having acidic side groups; and (ii) a second component comprising a polym...  
WO/2012/087029A3
Provided is a toner particle having excellent environmental resistance, fluidity, and anti-static properties for developing an electrostatic image. The toner particle comprises a coupling resin, a release agent, and a coloring agent, and...  
WO/2012/133095A1
A fine monoazo pigment is enabled to achieve excellent crystal stability and sufficient dispersion stability at the same time. This pigment composition is composed of at least one monoazo pigment represented by general formula (1) and at...  
WO/2012/133449A1
A toner for developing electrostatic charge images according to the present invention is characterized by comprising a wax derived from a plant sterol, a charge control agent, a coloring agent and a binder resin. The toner is suitable fo...  
WO/2012/132759A1
A method for producing a carrier core for an electrophotographic developer comprises a step (A) for producing a slurry in which a slurry is produced from a starting material containing iron and a starting material containing strontium, a...  
WO/2012/128236A1
Provided are ferrite particles containing a material represented by the compositional formula MXFe3-XO4 (wherein M denotes at least one among Mg and Mn, and 0 ≤ X ≤ 1) as a primary component, and containing at least one of elemental ...  
WO/2012/122888A1
Disclosed is a method for making toner; the method comprises the steps of: obtaining a micron size toner powder; to the micron size toner powder adding nanometer size silicon dioxide; carrying out a spherizing heat treatment to the toner...  
WO/2012/122861A1
The invention relates to a method for manufacturing a toner in sequential batches, each batch having identical processing steps. The current batch comprises the steps of: mixing, dispersing, emulsifying, agglutinating, terminating agglut...  
WO/2012/124484A1
According to a carrier core for an electronograph developer of the present invention, a value of a central particle diameter in a volume particle diameter distribution is in the range of 30 μm to 40 μm, a ratio of a particle diameter e...  
WO/2012/124791A1
There is provided a magenta toner having spectral reflection characteristics, such as high color developability and transparency, and high lightfastness. The magenta toner contains at least a water-insoluble xanthene dye compound having ...  
WO/2012/121421A1
To provide a toner, which contains a binder resin, a colorant, and a silicone oil-treated external additive, wherein the silicone oil-treated external additive contains free silicone oil, and a total amount of the free silicone oil is 0....  
WO/2012/117952A1
A toner including a binder resin, a colorant and a phenol multimer represented by the following General Formula (1): where R1 to R6, R11, R12, R14 to R16, R21, R22, and R24 to R26 each are a hydrogen atom or a substituent; and n is an in...  
WO/2012/118025A1
Provided is a charge control agent that applies a practical level of negative chargeability, is colorless or a light color and can be used in a color tonor, has an electrostatic charge from charging of a resin powder, such as the toner u...  
WO/2012/096454A3
The present invention relates to a method for manufacturing a toner. In the method for manufacturing the toner, a specific polyester resin may be used to provide a toner having superior roundness, low-temperature fixedness, gloss, and im...  
WO/2012/118024A1
Provided is a toner for electrostatic image development that applies a practical level of negative chargeability, is colorless or a light color and can be used in a color toner, is stable against environmental change, has excellent stora...  
WO/2012/114854A1
An object of the present invention is to suppress the increase of coarse particles due to the fusion of powder particles and reduce a ratio of particles that have been excessively spheroidal, when the powder particles are heat-treated. A...  
WO/2012/111452A1
Surface-modified silica powder, wherein silica powder has been surface treated using one, two or more compounds (A) and aminosilane (B), is characterized in that the immobilization rate of compound (A) and aminosilane (B) is a total of 5...  
WO/2012/110554A1
The present invention relates to a process for preparing a silica particle incorporating at least one phthalocyanine derivative, said particle being prepared from at least one silicone-based derivative of phthalocyanine via a hydrotherma...  
WO/2012/107622A1
The present invention relates to a method for obtaining a toner, more specifically for decorating ceramic materials, glass and metal, characterized in that the method comprises: -dispersing the particles of the inorganic component of the...  
WO/2012/105719A1
A toner having toner particles, each of which contains a binder resin and a colorant, wherein in viscoelastic properties of the toner as measured with a rotating flat plate rheometer at a frequency of 6.28 rad/sec: a storage elastic modu...  
WO/2012/105951A1
A liquid electrophotographic ink is disclosed herein. One example of the liquid electrophotographic ink includes a non-polar carrier liquid; pigmented toner particles; a charge director; and polymer resin encapsulated metal oxide nanopar...  
WO/2012/105078A1
The purpose of the present invention is to provide: a ferrite carrier core material for electrophotographic developers which have excellent electrification properties and which are less susceptible to carrier scattering caused by the fra...  

Matches 651 - 700 out of 63,295