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Matches 1 - 50 out of 46,336

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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),...  
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...  
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...  
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.  
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...  
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. ...  
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.  
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 ...  
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...  
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.  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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.  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  

Matches 1 - 50 out of 46,336