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7374847 Toner and developer for developing electrostatic image and image forming method  
A toner for developing an electrostatic image is disclosed. The toner contains an amount of not less than 0.1% by weight of an element selected from elements of the Groups of 1B, 2B, 4B, 5B, 6B,...
7323282 Dry toner, method for producing dry toner, and method for forming an image  
The toner having a significantly improved dispersibility of a colorant in toner particles is provided. The present invention provides a dry toner comprising: (i) a binder resin; (ii) a colorant;...
7309558 Use of salt-like structured silicas as charge control agents  
The present invention relates to the use of salt-like structured silicates, in which the cation is NH 4 + , H 3 O + , an alkali metal, alkaline earth metal, earth metal or transition metal ion or a...
7232632 Color toners and image forming method using the color toners  
A method for forming a full color image including: forming at least yellow, magenta and cyan color toner images on a receiving material to form a full color image thereon; and fixing the full color...
7115349 Toner  
Provided is toner which is excellent in developing property, transferring property, and fixing property, hardly affected by its surrounding, and has good endurance. The toner has a peak temperature...
7083887 Color toner and image forming apparatus using the color toner  
This invention provides: a color toner to be fixed on a recording medium with a flash light comprising a binder resin, an infrared ray absorbent and a coloring agent for mainly developing a yellow...
7014975 Solids surface-modified with amino groups  
Surface-modified solids bearing groups of the formula I SiR 1 2 —R—NH 2 (I),
6620568 Flash fixing color toner and image forming process using the same  
The present invention discloses a flash fixing color toner for use in an image forming process, which comprises a binder resin, a coloring agent, and an infrared absorbent, wherein negative ions...
6593050 Flash fixing color toner  
A flash fixing color toner for use in an image forming process includes a binder resin and a hue-altering coloring agent, wherein the hue-altering coloring agent alters, at a time of irradiation of...
6544710 Reactive compatibilization of polymeric components such as siloxane polymers with toner resins  
A toner composition comprising a primary resin and at least one additional polymeric component is improved by reactive compatibilization of the additional polymeric component and the resin. For...
6534230 Toner formulations  
A dry, powder electrostatic toner having polyester resin as a binder, pigment as a colorant, charge control ingredients polyethylene wax as a release agent, and extra particulate elements to...
6391507 Cyan pigments in electrophotographic toners and developers  
The present invention relates to the use of a CuPc composition consisting essentially of CuPc, e.g., C.I. Pigment Blue 15:3, and a hydroxymethylphthalimido CuPc, as a colorant in...
6379856 Toner compositions  
A toner composition comprised of binder, colorant, and a surface additive of a coated silica and wherein said silica possesses a BET surface area, in m 2 /g of from about 35 to about 65, a bulk...
6368399 Composite pigments, coloring compositions, and image recording substances  
A composite pigment of a bluish green color comprises copper phthalocyanine and aluminum phthalocyanine which are preferably in the form of a mixture or solid solution. The composite pigment can be...
6350552 Reactive compatibilization of polymeric components such as siloxane polymers with toner resins  
A toner composition comprising a primary resin and at least one additional polymeric component is improved by reactive compatibilization of the additional polymeric component and the resin. For...
6319647 Toner and developer for magnetic brush development system  
A toner of toner particles containing at least one binder, at least one colorant, and preferably one or more external additives is advantageously formed into a developer and used in a magnetic...
6265126 Hydrophobic metal oxide powder and application thereof  
A hydrophobic metal oxide powder obtained by simultaneously surface-treating a powder of a metal oxide (for example, silica, titania, alumina, or the like) with silicone oil having epoxy groups and...
6120962 Organic silicone quaternary ammonium salt, producing method thereof, and toner and dry-type developer using the same for developing latent electrostatic images  
A toner for developing latent electrostatic images has toner particles which contain a resin, a coloring agent, and an organic silicone quaternary ammonium salt of formula (1): [R 1 R 2 Si(CH 2...
6060615 Positively-chargeable charge control agent and toner for developing electrostatic images  
Positively-chargeable charge control agent and toner for developing electrostatic images that comprises a coloring agent, a resin for toners, and said positively-chargeable charge control agent....
6057073 Toner for developing electrostatic image, image forming method, developing apparatus unit, and process cartridge  
A toner for developing an electrostatic image has toner particles containing at least a binder resin and a colorant, and an inorganic fine powder. The inorganic fine powder has been treated with a...
5989768 Charge-modified metal oxides with cyclic silazane and electrostatographic systems incorporating same  
The present invention relates to a charge-modified metal oxide and to toner and developer compositions incorporating same. The charge-modified metal oxide includes a metal oxide having a cyclic...
5925487 Composition, compound and use  
A toner resin composition comprising a toner resin and the metal salt or complex of a carbocyclic hydroxy caboxylic acid containing at least one methylene group optionally substituted by hydroxy or...
5914210 Developer and developing method  
In the present invention, in carrying out reversal development of an electrostatic latent image formed on a positively charged amorphous silicon type photoreceptor, a developer including positively...
5905011 Nonmagnetic monocomponent negatively chargeable color developer  
A nonmagnetic monocomponent negatively chargeable color developer which has excellent light transmittancy for overhead projection transparencies, excellent transfer characteristics, charging...
5885739 Colored toner and developer compositions  
Toners comprised of a cyan toner, a magenta toner, a yellow toner, an orange toner, or a red toner, and a black toner, each of said toners being comprised of resin and pigment; and wherein the...
5853929 Trichromatic set of colored toners  
Colored cyan toner for electroreprography and laser printing based on Solvent Blue 70 and a trichomatic set of colored toners based on Solvent Blue 70, benzodifuranone red dyes and azo pyridone...
5846682 Light decolorizable recording material, ink and toner  
A light decolorizable recording material comprising a colored dye having absorptions in the visible light region and a boron compound represented by the general formula (1), ##STR1## wherein R 1 ,...
5837413 Electrophotographic toner, and developer  
The invention provides a magnetic toner for electrophotography in which an ultrafine particle form of titanium oxide (having a specific surface area of 80 to 120 m 2 /g, a degree of hydrophobicity...
5800957 Toner for electrostatic latent image development and process for producing the same  
A toner for electrostatic latent image development composed of a core substance containing a colorant and a binder resin and an outer shell, in which the colorant in the core substance is treated...
5789131 Developer for developing electrostatic latent image  
A developer for developing an electrostatic latent image comprising: (a) a positively chargeable toner particle comprising a binder resin which comprises a styrene-type copolymer having an acid...
5759729 Photochromic electrostatic toner compositions  
Disclosed is a toner composition for the development of electrostatic latent images which comprises particles comprising a mixture of a resin and a photochromic material. Another embodiment of the...
5721084 Charge controlling agent for electrostatic image development, and toner and charge-imparting material employing it  
A charge controlling agent for electrostatic image development, which is a metallic compound of a compound of the formula (I): ##STR1## wherein each of A and R is a substituted or unsubstituted...
5719002 Process for the preparation of colored toner and developer compositions for enlarged color gamut  
A combination of toners containing a cyan toner, a magenta toner, a yellow toner, a violet toner, and a black toner, each toner containing resin and pigment. The pigment for each of the colored...
5691095 Toner for developing electrostatic latent image and process for producing the same  
A toner containing at least a colorant and a resin, in which the resin is a polyester resin having a total acid radical content of 2 to 50 mg equivalents per 100 g and having a weight-average...
5683843 Solid colored composition mutable by ultraviolet radiation  
A solid colored composition which includes a colorant and an ultraviolet radiation transorber. The colorant, in the presence of the ultraviolet radiation transorber, is adapted, upon exposure of...
5665513 Toner for developing electrostatic charged image  
The present invention provides a toner, particularly color toner, for developing an electrostatic image, which comprises toner particles containing a mixture of a binder resin, a coloring agend and...
5665511 Surface-treated inorganic fine particle and electrophotographic developer using the same  
A surface-treated inorganic fine particle includes an inorganic fine particle, a hydrophobizing agent deposited on the surface of the inorganic fine particle and an amino group-containing coupling...
5663028 Electrostatic toners containing aminodiacetic acid derivatives  
Electrostatic toners contain a polymeric binder and, as a charge stabilizer, a compound of the formula ##STR1## where M ♁ is one equivalent of a cation and R is unsubstituted or substituted C...
5663025 Magenta toner and developer compositions  
A toner composition comprised of resin particles, first magenta pigment particles of a molydate silicate salt of rhodamine, and second magenta pigment particles of a 2,9-dimethylquinacridone; and...
5616444 Toners and developers containing BIS(ammonium) tetrahalocuprate salts as charge-control agents  
New electrostatographic toners and developers are provided containing charge-control agents comprising bis(ammonium) tetrahalocuprate salts having the structure: ##STR1## wherein R, R 1 , R 2 and...
5616443 Substrate having a mutable colored composition thereon  
A solid colored composition which includes a colorant and an ultraviolet radiation transorber. The colorant, in the presence of the ultraviolet radiation transorber, is adapted, upon exposure of...
5607804 Combination, set, or gamut toners  
Toners comprised of a mixture of a cyan toner, a magenta toner, a yellow toner, and an optional black toner, each of said toners being comprised of resin and pigment, and wherein the pigment for...
5607803 Decolorizable toner and a decolorizable toner production process  
The present invention discloses a decolorizable toner wherein a cationic dye having absorbance from the visible region to the near infrared region is contained in a binder resin together with a...
5604069 Toners and developers containing ammonium trihalozincates as charge-control agents  
New electrostatographic toners and developers are provided containing charge-control agents comprising ammonium trihalozincate salts having the structure: ##STR1## wherein R, R 1 , R 2 and R 3 ...
5595852 Organosilicon compound, producing method thereof and toner and dry-type developer using the same  
There are provided an organosilicon compound of formula (I) and a producing method thereof: ##STR1## wherein R 1 , R 2 and R 3 each is an alkyl group having 1 to 6 carbon atoms, or a phenyl group...
5582946 Toners and developers containing bis(ammonium) tetrahalomanganate salts as charge-control agents  
New electrostatographic toners and developers are provided containing charge-control agents comprising bis(ammonium) tetrahalomanganate salts having the structure: ##STR1## wherein R, R 1 , R 2 ...
5563016 Diallylammonium compounds, processes for their preparation and their use  
Ionic monomeric diallylammonium compounds having a targeted combination of diallylammonium cations with selected anions have particularly high and constant charge control properties and very good...
5561020 Quaternary phosphonium trihalozincate salts as charge-control agents for toners and developers  
New electrostatographic toners and developers are provided containing charge-control agents comprising quaternary phosphonium trihalozincate salts having the structure: ##STR1## wherein R is...
5547803 Quaternary phosphonium trihalocuprate salts as charge-control agents for toners and developers  
New electrostatographic toners and developers are provided containing charge-control agents comprising quaternary phosphonium trihalocuprate salts having the structure: ##STR1## wherein R is...
5547802 Image formation materials and image fading prevention method  
An image formation material for forming images including color images, such as a toner or developer for use in image formation methods such as electrophotography, electrostatic recording, and in an...
Matches 1 - 50 out of 166 1 2 3 4 >