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WO/2024/143159A1 |
This toner: demonstrates excellent low-temperature fixation properties and imparts, to images printed on a smooth media such as coated paper, high resistance to scratching; and can suppress uneven shading on the fixation media that produ...
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WO/2024/135678A1 |
The present invention pertains to a toner that is for development of electrostatic images and that contains a binder resin and a coloring agent. The binder resin contains an amorphous polyester resin A having an ester group concentration...
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WO/2024/135457A1 |
The present invention relates to a toner for developing an electrostatice charge image, said toner including a binding resin and colorant, wherein the binding resin includes an amorphous polyester resin A with an ester group concentratio...
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WO/2024/128226A1 |
The present invention relates to toner for static charge image development, the toner containing a crystalline polyester resin C, an amorphous polyester-based resin A, and a coloring agent. The crystalline polyester resin C includes a co...
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WO/2024/122272A1 |
The present invention uses an image forming device provided with an image carrier and a developer carrier, wherein: toner particles in a developer are each provided with protrusions on the surface of a toner base particle; when, in a hor...
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WO/2024/106217A1 |
Provided is an external additive for a toner, the additive having fine particles A having fine particles B, and the additive containing an organosilicon compound having a siloxane bond as a binder component, the additive characterized in...
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WO/2024/095038A1 |
The process of producing consumables for printing machines by conductors and magnets is a process for producing materials required by toner and developer machines. This process eliminates problems such as low print, low color (paleness),...
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WO/2024/091239A1 |
A toner composition of at least one toner particle may include at least one toner particle including a binder resin, a colorant, a releasing agent and an additive disposed on a surface of the at least one toner particle. The additive inc...
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WO/2024/091231A1 |
An example a toner composition includes a toner particle including a binder resin, a releasing agent, and a pigment and an additive disposed on an external surface of the toner particle, the additive including alumina-coated silica parti...
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WO/2024/085908A1 |
An additive for a toner particle containing silica particles surface-treated with a silane coupling agent containing at least one element selected from a group comprising fluorine and sulfur.
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WO/2024/085855A1 |
An example a toner composition includes toner particles including a binder resin, a releasing agent, and a pigment and an additive disposed on an external surface of the toner particles, the additive including hydrophobic calcium carbona...
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WO/2024/085147A1 |
The present invention pertains to an electrostatic charge development toner and a method for producing the same. The electrostatic charge development toner contains a crystalline polyester resin C and a noncrystalline polyester resin A. ...
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WO/2024/085912A1 |
An additive for a toner particle including polymer particles having an interpenetrating polymer network formed of at least one polymer selected from a group comprising a polystyrene and a poly(meth)acrylate.
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WO/2024/058817A1 |
Toner particles can contain a binder resin, a colorant, and a release agent. The toner particles can exhibit a peak area ratio of 5/95 to 21/79 in a molecular weight distribution measured by gel permeation chromatography (GPC). The peak ...
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WO/2024/048480A1 |
Provided is a toner, wherein bleed-out of a mold release agent does not easily occur even in a high temperature and high humidity environment, printing defects do not easily occur even when using the toner stored for a long period of tim...
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WO/2024/043895A1 |
An example toner composition includes an aggregate of a plurality of toners, each of the plurality of toners being a different color, wherein the aggregate has a color space characteristic to perform monochrome printing.
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WO/2024/039390A1 |
A toner particle containing: a binder resin; and a wax that forms at least one wax domain having an aspect ratio of 1.0 to 20.0 in a cross-section of the toner particle, wherein a domain size indicator value of the toner particle is 0.2 ...
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WO/2024/034483A1 |
The present invention provides: a toner cleaning agent that can impart, to a toner, suitable fluidity which enables excellent cleaning performance, and that can suppress wearing of a cleaning blade even in a high-temperature and high-hum...
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WO/2024/024439A1 |
The present invention provides progress to conventional process cartridges. The present invention has: a rotatable development roller; a development frame that rotatably supports the development roller; a toner that has toner particles a...
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WO/2024/019707A1 |
Described herein is a hole transport liquid electrophotographic (LEP) ink composition comprising: a material capable of transporting electron holes; a thermoplastic resin comprising a copolymer of an alkylene monomer and an ethylenically...
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WO/2023/223921A1 |
Provided is an electrophotographic carrier comprising a resin-coated carrier comprising magnetic core material particles and a coating layer that coats the surfaces of the core material particles with a resin, wherein the coating layer a...
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WO/2023/219642A1 |
An example toner particle contains a colorant, a release agent, and a binder resin containing an amorphous polyester resin and a crystalline polyester resin, wherein the binder resin contains terephthalic acid and ethylene glycol as mono...
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WO/2023/204087A1 |
The present invention provides a microchannel device, channel walls of which have high hydrophobicity, and which has high cracking resistance. Provided is a microchannel device in which channels sandwiched by channel walls are formed ins...
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WO/2023/199621A1 |
This image formation device comprises: an image formation means for forming a plurality of toner images by using a plurality of types of toners and forming an image on a sheet by transferring the plurality of toner images to the sheet ei...
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WO/2023/195991A1 |
Described herein is a liquid electrophotographic printing process comprising heating a coating composition comprising a thermoplastic polymer and a liquid carrier to dissolve the thermoplastic polymer in the liquid carrier and form a hea...
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WO/2023/187356A1 |
The present invention relates to a method of providing an image on an article, the method comprising: - printing an image on an image transfer layer using a ceramic toner; - applying the image transfer layer comprising the printed image ...
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WO/2023/190708A1 |
This toner has at least a binding resin. The binding resin includes at least a polyester resin. The contained amount of the polyester resin is not less than 2.5 mass% with respect to the total mass of the toner. In a printed matter obtai...
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WO/2023/189707A1 |
Provided is a toner for which toner leakage is unlikely to occur and which has excellent thin line reproducibility. This toner contains colored resin particles comprising a binding resin, a coloring agent, and a release agent and also co...
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WO/2023/176926A1 |
Provided are cobalt ferrite particles having a uniform particle size with a µm-scale average particle size. The method for producing cobalt ferrite particles involves heat treatment of an aqueous solution (ferrite precursor) containin...
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WO/2023/166857A1 |
A toner storage container having a flexible bag-form storage section and toner that is stored in the storage section and contains silica particles, the toner having a total energy value of 300 mJ or less when the total energy is measured...
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WO/2023/157792A1 |
Provided is a toner which has an excellent balance between low-temperature fixability and storability and which, when used in continuous printing under high-temperature and high-humidity conditions, can be inhibited from suffering toner ...
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WO/2023/127815A1 |
Provided is a toner for electrostatic image development that contains coloring resin particles containing a binder resin, a coloring agent, an electrostatic charge control agent, and a crystalline material. When reflection electron image...
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WO/2023/127947A1 |
The present invention relates to a method for manufacturing toner for electrostatic charge image development, said method including a step of causing resin particles containing an amorphous resin and a crystalline resin in the same or di...
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WO/2023/127949A1 |
The present invention relates to a method for producing a toner for electrostatic-image development, the method comprising step (1) in which a release agent is mixed with and emulsified in a dispersion of resin particles comprising 90 ma...
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WO/2023/127948A1 |
The present invention relates to an electrostatic image development toner containing, as binder resins, an amorphous resin and a crystalline resin, wherein: the amorphous resin contains an amorphous polyester resin (A), which is a polyco...
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WO/2023/096638A1 |
Herein is described a liquid electrophotographic ink composition. The composition may comprise a copolymer of an olefin and a monomer having a carbon-carbon double bond and a -CO2X group, and wherein X is H or Li; a polyethylene glycol-l...
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WO/2023/075741A1 |
An electrographic toner can include toner particles having a multi-particulate additive disposed on an exterior surface of the toner particles. The toner particles can have a specific surface area from 3.0 m2/g to 3.65 m2/g and can inclu...
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WO/2023/075778A1 |
A printing material particle for a printing apparatus may include a colorant, a binder resin, and a metal-salen complex compound. The metal-salen complex compound may absorb ultra-violet (UV) light to emit visible light to be fluorescent.
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WO/2023/063281A1 |
The present invention relates to a powder composed of fine spherical strontium titanate particles, characterized by having an average primary-particle diameter of 50 nm or smaller, a roundness of 0.8 or greater, and a lattice constant of...
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WO/2023/058573A1 |
According to the present invention, the volume resistivity of a contact member that contacts the surface of a developer carrier is no more than 1014 Ω⋅cm, and a developer satisfies the following conditions. Outside of an image formati...
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WO/2023/053944A1 |
An image forming apparatus which comprises a first image forming unit for forming a toner image for printing by means of a toner for printing and an adhesive image forming unit for forming an image of a powder adhesive by means of a powd...
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WO/2023/054311A1 |
The present invention provides: a method for producing a crimped sheet, the method suppressing separation offset that occurs when a crimped postcard is opened, while using an image forming apparatus that is capable of performing a printi...
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WO/2023/053726A1 |
Provided is a powder composed of calcium-titanium composite oxide particles having a small particle diameter and a small specific surface area. The calcium-titanium composite oxide having an average primary particle diameter of 100 nm or...
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WO/2023/048289A1 |
An electrostatic charge image developing toner which contains toner particles containing a binding resin, wherein: D1(90), D50(90), D1(150) and D50(150) are each 0.5-2.5, inclusive, if the loss tangent tanδ at a strain of 1% and a tempe...
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WO/2023/047771A1 |
This three-dimensional object manufacturing method involves: a step for forming an adhesive area on part of a sheet-form print medium by means of electrophotographic method using a pressurized phase transition resin toner that produces a...
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WO/2023/046624A1 |
The present invention relates to a surface-modified particle for use in a toner composition, a method of preparing the surface-modified particle according to the invention, a method for treating a surface of a substrate with at least one...
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WO/2023/038677A1 |
A toner particle including a core particle, first inorganic particles externally added to the core particle, and second inorganic particles externally added to the core particle. The first inorganic particles have a true density of 3.0 g...
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WO/2023/038673A1 |
A developer including a toner particle and a carrier particle. The toner particle includes a toner core particle and alumina particles externally added to the toner core particle. The alumina particles have an average particle diameter o...
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WO/2023/013332A1 |
Provided is a pigment composition that has excellent dispersibility, weathering resistance, and thermal resistance, has good storage stability, and includes isoindoline compounds that can form an image having high chroma, the pigment com...
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WO/2023/281881A1 |
In a two-component developer according to the present invention, external additive particles contained in toner particles contain resin particles that contain a thermoplastic resin. Carrier particles have coating layers containing a coat...
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