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7635549 |
Toner and developer, toner container, process cartridge, image forming method and image forming apparatus
A toner including a binder resin, a colorant and a release agent, and satisfying the following relationships (1) and (2):
1.0≦ FT 120/...
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7572564 |
Toner for electrostatic image development, electrostatic image developer and image forming method using the same
The present invention relates to a toner for electrostatic image development, comprising a crystalline ester compound synthesized by polymerizing a carboxylic acid component with an alcohol...
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7541129 |
Electrostatic image developing toner
An electrostatic image developing toner comprising a binder resin and a colorant, wherein the toner contains a mixture of: (i) a compound represented by Formula (3); and (ii) a compound represented...
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7531280 |
Toner for developing a latent image and an image forming method employing the same
A toner for developing an electrostatic charge image comprising a resin, a colorant, and a particle having domain-matrix structure and the particle having two or more kinds of metal elements.
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7510811 |
Toner for developing electrostatic image and resin particle disperision solution for toner for developing electrostatic image
A toner for developing an electrostatic image of the present invention contains toner particles obtained by forming coagulated particles by mixing a resin particle dispersion solution containing...
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7510812 |
Toner formulations containing extra particulate additives
The present invention relates to toner compositions containing extra particulate additives. The additives may include a mixture of silica particles having differing BET surface areas and may...
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7507513 |
Toner composition
Copolymer encapsulated wax particles and their use in forming toner compositions having particles with a desired circularity and size are provided.
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7507514 |
Toner and manufacturing method of the same
Toner containing binder resin constituted of plural types of copolymers comprising a vinyl type polymerizing monomer, wherein at least one of the copolymers comprising a vinyl type polymerizing...
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7491481 |
Method of manufacturing toner, toner, and image forming method
A method of manufacturing a toner comprising the steps of: (i) forming oil droplets in an aqueous medium comprising a surfactant having a long chain hydrocarbon group and an acid group, the oil...
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7482105 |
Toner for electrostatic latent image development and manufacturing method of the toner for electrostatic latent image development
A toner for electrostatic latent image development contains a toner particle having a median diameter (d50) in number standard of 2.5 μm to 7.5 μm, acrylate of less than 12 ppm and aliphatic...
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7473508 |
Toner, developer and image forming apparatus
A toner composition including toner particles including at least a binder resin; and a colorant, wherein the toner composition satisfies at least one of the following relationships (1) and (2):
...
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7470495 |
Electrophotographic toner and image forming method
An electrophotographic toner exhibiting superior color reproducibility and transparency and improved characteristics is disclosed, comprising a thermoplastic resin and colored microparticles...
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7459254 |
Toner and two-component developer
Toner includes aggregated and associated particles formed by mixing in an aqueous medium at least a resin particle dispersion in which resin particles are dispersed, a colorant particle dispersion...
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7452645 |
Toner for developing electrostatic image, method for producing the same, developer, image forming apparatus, process cartridge, and image forming method
A toner is disclosed, for developing electrostatic images by means of image forming apparatuses, that comprises toner particles, and an external additive, wherein the toner particles comprise a...
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7435521 |
Toner for developing electrostatic image
A toner for developing an electrostatic image which has a small particle size essential for attaining a high-quality image, and can output a high-quality image excellent in frictional charging...
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7422833 |
Toner, production process thereof, and process for forming image
A charge control resin composition for positive or negative charge, which is prepared either by mixing and kneading a charge control resin for positive or negative charge with a colorant, or by...
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7419754 |
Particle having conductive polymer surface additive
Particles, preferably toner particles comprised of at least binder and colorant, are described that include a doped conductive polymer material as a surface additive on the external surface of the...
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7351509 |
Toner
A toner is disclosed including toner particles containing a binder resin and a colorant. The binder resin contains a vinyl resin. In the high-temperature GPC-RALLS-viscometer analysis of the...
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7344812 |
Developer for developing electrostatic latent image and image forming apparatus
A developer for developing an electrostatic latent image, including a carrier which includes core particles, and a surface layer surrounding each of the core particles and containing an acrylic...
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7323280 |
Chemically produced toner and process therefor
A toner for developing an electrostatic image comprising toner particles which include a binder resin, a wax and a colorant, wherein the wax has a melting point of between 50 and 150° C., the wax...
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7312009 |
Color toner having low contamination of charging elements
The present invention relates to a non-magnetic mono-component toner comprising a toner mother particle, and a coating layer formed on the mother particle where the coating layer comprises fatty...
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7300735 |
Electrophotographic toner and production method therefor
An electrophotographic toner contains a resin, a colorant and a releasing agent. The releasing agent has a solidifying point of from 79° C. to 109° C., and one peak in an endothermic curve...
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7291435 |
Toner binder for electrophotography and toner for electrophotography
The present invention provides a toner binder for electrophotography which comprises a polyester resin constituted of an alcohol component containing a polyoxyalkylene ether (A) of a bisphenol and...
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7288353 |
Toner, developer, image developer and image forming apparatus
A toner including toner particles including a binder resin, a colorant, and an inorganic particulate material present on a surface of the toner particles. The toner particles have a surface...
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7276320 |
Surface particle attachment process, and particles made therefrom
A method of forming toner particles having surface particles attached thereto includes the steps of aggregating a material of at least one binder material and at least one colorant to produce toner...
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7252921 |
Toners with improved pigment dispersion
The invention relates to color toner compositions prepared from an aqueous pigment concentrate dispersion which renders a toner exhibiting improved pigment dispersion, and consequently improved...
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7250240 |
Toner, developer, container containing toner, process, cartridge, image forming apparatus and process
The toner according to the present invention may be produced from a toner raw composition which comprises a foaming agent, a binder resin and a colorant, wherein the colorant comprises a black...
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7247416 |
Toner processes and compositions thereof
The invention relates to color toner compositions prepared from a process for the preparation of a dry toner powder from an aqueous pigment concentrate dispersion comprising: blending at least an...
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7244537 |
Toner for developing an electrostatic charge image and method for its production
To provide a toner for developing an electrostatic charge image, which has a good low temperature fixing property whereby it is useful for an image-forming device of a low temperature heat fixing...
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7241548 |
Toner, method for preparing the toner, and image forming method and apparatus using the toner
A method for preparing a toner including toner particles, including granulating a toner constituent mixture to prepare toner constituent particles having a polar group with a first polarity on a...
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7223508 |
Toner for developing electrostatic image, method for producing the toner and image forming method
The toner for developing an electrostatic image, includes a toner particle containing a binder resin and a colorant. The colorant has Feret's average horizontal diameter from 10 nm to 500 nm, and...
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7214459 |
Toner for developing electrostatic charged images and developer for developing electrostatic charged images, and image forming method using the same
The invention provides a toner for developing electrostatic charged images comprising toner mother particles containing a binder resin and a colorant, and an external additive, wherein: the average...
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7212777 |
Image forming apparatus used in electrostatic process
An image forming apparatus including an image bearing member to bear a latent electrostatic image, an irradiation device and developing device to develop a toner latent electrostatic image on the...
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7211361 |
Image formation apparatus and image formation method
An image formation apparatus includes a development unit using a developer support having a conductive surface layer, and a control unit for causing an idle operation of the developer support to be...
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7208255 |
Powder-coated toner particles and method of making same
A color toner composition for developing latent electrostatic images includes nanopowder-coated toner particles, the powder-coated toner particles being characterized in that each comprises a core...
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7186493 |
Electrostatic image developing toner and two-component developing agent
A toner for developing an electrostatic image is disclosed. The toner comprises toner particles comprising a resin and a colorant, and the toner comprises metal oxide particles have a domain-matrix...
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7169526 |
Toner for the development of electrostatic image and the production process thereof
A toner for the development of an electrostatic image is provided wherein at least one layer of a particulate resin is coated onto a substantial portion of the surface of an agglomerate of...
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7169525 |
Toner, developer, image forming apparatus, process cartridge and image forming process
The object of the present invention is to provide a toner which is excellent in shelf stability for a long term by producing the toner through controlling the dispersion condition of the wax around...
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7163773 |
Toner for developing electrostatic image, developer, process for forming image, and image forming apparatus
Spherical toners having excellent fusibility are disclosed. The toners are fusible at low temperatures and are excellent in preservability and therefore charge properties, flowability, and...
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7162187 |
Image forming apparatus and image forming method
In an image forming apparatus, a toner image is formed on a photosensitive element and a transfer roller, which carries a transfer medium, is pressed against a photosensitive element at a pressure...
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7157198 |
Toner for electrostatic latent image development and an image forming method
Toner for electrostatic latent image development includes at least a resin, a coloring agent and a crystalline compound, wherein the toner particle has sea-island structure and the crystalline...
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7150909 |
Electrophotographic image-receiving sheet and process for image formation using the same
The present invention aims to provide an process for image formation using an electrophotographic image-receiving sheet having excellent anti-offset properties, adhesion resistance, paper transport...
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7138215 |
Process cartridge, image forming apparatus and image forming method
The present invention provides a process cartridge that is freely attachable to and detachable from a main body of an image forming apparatus and that includes a latent image bearing body and a...
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7138216 |
Image forming method employing the toner
An image forming method comprising the step of transferring a toner image while applying vibration by ultrasonic wave where in the toner particle forming the toner image has a sea-island structure...
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7132210 |
Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process
An image-forming color toner contains at least a colorant, a resin (A), a modified resin (B) and a wax (a) as a mold releasing agent, the image-forming color toner having a phase separated...
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7105260 |
Binder resin for toner and toner
A binder resin for a toner comprises a polyester component having a specific structure which is not soluble in tetrahydrofuran, and a polyester component having a specific branched structure which...
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7070901 |
Developing agent and image forming apparatus
The softening point of the binder resin and the thickness of the rubber layer of the fixing roller are optimized and thus it becomes possible to form a high-quality full-color image at a low cost.
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7056637 |
Electrophotographic toner with uniformly dispersed wax
Toner particles are described containing at least one toner resin and at least one wax. The wax present in the toner particles has an average domain size of about 1 micron or less. Developer...
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7056636 |
Dry toner, and process cartridge, image forming process and apparatus using the same
A dry toner contains at least a toner binder, organic fine particles, a colorant, a wax, a charge control agent, and an external additive. The wax is concentrated in the vicinity of a toner core...
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7056635 |
Toner, method of producing the toner, developer including the toner, and image forming method and apparatus using the developer
A toner including a thermoplastic resin; a colorant; a wax; and a crystalline polymer, wherein a DSC endothermic peak temperature of the wax or the crystalline polymer determined by subjecting the...
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