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7384472 |
Pigment preparations based on PY 155
The invention concerns a pigment preparation based on C.I. Pigment Yellow 155, containing 0.1% to 50% by weight, based on the weight of C.I. Pigment Yellow 155, of at least one pigment dispersant...
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7378207 |
Magenta toner and production process thereof
The invention relates to a magenta toner having magenta-colored resin particles comprising at least a binder resin and a magenta colorant. The magenta pigment is a magenta pigment composed of a...
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7377974 |
Use of a pigment preparation based on C.I. pigment yellow 74
The invention relates to the use of pigment preparations comprising C.I. Pigment Yellow 74 as base pigment and one or more pigment dispersants of the formula (I)
wherein
R 1 , R 2 , R 3 , R 4...
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7371495 |
Toner
A toner is formed of toner particles including a polyester resin as a principal component, and at least a colorant and a charge control agent, and externally added inorganic fine particles and...
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7341626 |
Pigment compositions consisting of organic and inorganic pigments
A pigment composition containing one or more, organic yellow pigments selected from the group C.I. Pigment Yellow (213), Pigment Yellow (214) and disazo pigment of the formula (I)
and...
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7318863 |
Azo pigment preparations for packaging gravure and flexographic printing
The invention relates to an azo pigment preparation containing a) at least one azo pigment, b) a resin based on colophonium or modified colophonium with an acid value equal to or higher than 320 mg...
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7311769 |
Pigment compositions consisting of a yellow disazo pigment and an organic pigment
A pigment composition containing a disazo pigment of formula (I) and at least one pigment from the group of organic orange, red and violet pigments
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7303846 |
Electrophotographic toner, process for producing the same, and process for forming image
An electrophotographic toner contains at least a binder resin and a colorant, and log 10 {[Cu]/[C]} satisfies the following equation (1):
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7301012 |
Azo dye, image-forming coloring composition, ink for ink jet recording, heat-sensitive recording material, color toner and color filter
An azo dye comprising a coupler having a specific structure as a coupling component, an image-forming coloring composition comprising the azo dye, an ink for ink jet recording and an ink jet...
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7250239 |
Yellow toner for flash fixation, and electrophotographic developer and image forming method using the same
The present invention discloses a yellow toner for flash fixation, comprising an infrared absorbent, one or more yellow colorants, and a binder resin, wherein a* of the infrared absorbent in an...
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7235337 |
Toner for electrostatic image development
A toner for electrostatic image development, containing a resin binder containing a polyester having monomer units wherein at least one monomer is selected from the group consisting of fumaric acid...
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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...
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7220843 |
Methanesulfonamide azo dyes
This invention relates to monoazo, disazo and trisazo colorants of the formula (I)
where
M represents two hydrogen atoms or one metal ion selected from the group consisting of Cu, Co, Ni, Mn,...
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7220525 |
Secure imaging toner and methods of forming and using the same
A toner for printing documents that are difficult to chemically or physically forge and that are readily easy to visually verify and methods of using and forming the toner are disclosed. The toner...
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7220524 |
System and method for producing secure toner-based images
A system and a method for printing a secure document that is difficult to forge and readily easy to visually verify are disclosed. The system includes a colorant for printing an image on a surface...
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7214460 |
Yellow toner
To provide a yellow toner allowing formation of an image with an excellent transparency for an OHP, an excellent coloring power, and an excellent light resistance. In the yellow toner including at...
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7186491 |
Negatively charged coated electrographic toner particles
Negatively charged coated toner particles are provided that comprise a plurality of polymeric binder particles that are substantially free of negatively charged pigment and a coating material...
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7186292 |
Inkjet ink, inkjet recording method and color toner composition
A coloring composition such as printing ink for inkjet printing or the like or electrophotographic color toner is provided, which can give a colored image or material excellent in the color hue and...
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7160660 |
Magnetic toner
In a magnetic toner having toner particles containing at least a binder resin and a magnetic material, the binder resin is chiefly composed of a resin having a polyester unit synthesized using as a...
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7153332 |
Use of a dyestuff for ink jet printing recording materials
Disclosed are dyestuff mixtures for printing recording materials, especially textile fibre materials, paper and papery substrates and plastic films and plastic, as well as compositions suitable for...
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7132516 |
Mono-or bisazo copper complex dyestuffs
This invention relates to coppered azo dyestuffs containing an alkyl-, aryl or alkoxyalkyl sulfamyl group on one moiety of the molecule and an alkyl-, aryl or alkoxyalkyl ammonium sulfonate or...
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7094513 |
Charge control agent and toner for electrostatic image development
A charge control agent of the present invention comprises aggregate particles of an azo-type iron complex salt represented by the following chemical formula [I]
in the chemical formula [I], R 1...
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7094512 |
Electrophotographic printing method, monoazo iron complex compound, charge controlling agent using the same and toner using the charge controlling agent
An electrophotographic printing method which comprises using a charge controlling agent containing a monoazo iron complex compound of the formula (1) as an effective component,
wherein A 1 , A...
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7049039 |
Coloring agent for toner, and toner
A coloring agent for use in toners which comprises coloring particles modified with a surface modifier having in one molecule a hydrophilic moiety, a hydrophobic moiety, and a reactive moiety...
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7041421 |
Laked azo red pigment and processes for preparation and use
Disclosed is a red pigment compound containing a pigment represented by Formula I:
having a certain Hue Angle and Apparent Strength. Also disclosed is a method of making a red pigment...
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6998211 |
System for producing secure toner-based images and methods of forming and using the same
A system and method for printing documents that are difficult to forge and that are easy to visually verify are disclosed. The system includes a colorant for printing an image on a surface of a...
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6991883 |
Toner for producing secure images and methods of forming and using the same
A toner for printing documents that are difficult to forge and that are readily easy to visually verify and methods of using and forming the toner are disclosed. The toner includes a colorant for...
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6984724 |
Pigmented 1-naphtholsulphonic acid-based monoazo pigments
The invention relates to novel monoazo compounds of formula (1), wherein R 1 re resents H, Cl or CH 3 ; R 2 represents H or Cl; M 2+ represents Mg 2+ , Mn 2+ or Sr 2+ ; Y 1 =represents COO − ...
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6933092 |
Magenta toner for electrophotography and full color image formation method
A magenta toner for electrophotography includes a binder resin and a colorant, wherein the toner contains at least a naphthol pigment having a structure represented by the following general formula...
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6913641 |
Laked monoazo pigments based on naphtholsulfonic acids
The invention relates to novel monoazo compounds of formula (1), wherein R represents H or Cl, M 2+ represents Ca 2+ or SR 2+ and Y 1 =H and Y 2 =SO 3 − or Y 1 =SO 3 − and Y 2 =H. The...
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6913640 |
Single-phase mixed crystals of laked monoazo dyes
Novel improved single-phase mixed crystals of monoazo dyes laked with alkaline earth metal cations and ammonium cations in a molar ratio of about 1:2 having a fine particle size and substantially...
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6902612 |
Heat stable laked monoazo red pigment
Disclosed is a red pigment represented by Formula I:
having a unique X-ray diffraction pattern. Also disclosed is a red pigment composition containing the pigment represented by Formula I and...
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6872245 |
Azo pigments
This invention relates to azo pigments of general formula (I) wherein D represents the radical of a diazo component; R 1 and R 2 are the same or different and represent hydrogen, a C 1 -C 4 ...
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6855471 |
Toner and image-forming method
A toner contains at least a binder resin, a colorant, a compound (A) and a compound (B) in which the compound (A) is selected from the specific compound group and the compound (B) is a derivative...
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6764797 |
Toner for MICR
A toner for MICR comprises at least a binder resin, magnetite particles comprising a mixture of granular magnetite and acicular magnetite, and a wax, wherein a ratio by weight of said acicular...
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6756486 |
Non-migrating metallized disazo green shade yellow pigment
Disclosed are green shade yellow pigments represented by the Formula I: wherein R 1 and R 2 are independently selected from hydrogen, hydroxy, halogen, an alkyl group having 1 to about 4...
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6756485 |
Process for preparing a monoazo metal complex salt compound for charge control agent and toner for developing electrostatic images
Charge control agent comprising a metal complex salt compound of Formula (I) containing substantially no monoazo compound constituting the ligand thereof, toner containing the charge control agent,...
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6706863 |
Organic pigment with high transparency and hydrophobicity
The present invention provides Pigment Yellow 180 having an excellent transparency produced by using a fine slurry of 5-acetoacetylamino-benzimidazolone as a coupling component when Pigment Yellow...
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6682867 |
Toner for electrophotography
A toner for electrophotography comprises: a coloring agent and a binding resin comprising a polyester resin constituted of cyclohexanedimethanol as an essential polyol component, wherein the toner...
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6667140 |
Toner and image forming method
A color toner (magenta toner) showing not only color image forming performances such as color reproducibility, gradation characteristic, light-fastness, full-color image forming characteristic and...
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6664016 |
Magenta toner
A magenta toner having a storage elastic modulus at 80° C., G′ 80 , from 1×10 6 dN/m 2 to 1×10 8 dN/m 2 and a storage elastic modulus at 120° C. to 180° C., G′ 120-180 , from 2×10 3 ...
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6656653 |
Toner for the development of electrostatic image and method for producing the same
A toner is provided for the development of an electrostatic image which includes an agglomerate of particles obtained by agglomerating at least primary polymer particles and primary colorant...
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6641969 |
Magnetic toner with negative polarity for developing latent electrostatic images, and image forming apparatus using the same
A magnetic toner with a negative polarity for developing latent electrostatic images is made of toner particles, each toner particle containing a binder resin, a magnetic powder, and a charge...
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6635398 |
Dry toner, dry toner production process, and image forming method
A dry toner has toner particles containing at least a binder resin, a colorant and a wax component and an external additive. The binder resin contains a component derived from a monomer selected...
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6627368 |
Organic metal complex compound and electrostatic image developing toner using the same
A toner composition, comprising an organometal complex compound having the formula (1), which has an electroconductivity of at most 110 μS/cm when dispersed in ion-exchanged water in an amount of...
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6613140 |
Azo orange pigment composition
The present invention relates to a composition comprising at least one azo pigment of the formula optionally additional azo pigments and a surfactant, and from 0.1 to 50% by weight of a selected...
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6605403 |
Photosensitive color toner
A color toner is provided that enables printing of all colors, including black, either comprising one particle system that, depending on exposure to a particular wavelength, provides a desired...
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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...
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6537716 |
Toner for developing electrostatic images and heat fixing method
A toner for developing electrostatic images is comprised of a binder resin and a wax. The binder resin contains as a primary component a polyester resin having a soft segment. The wax has, in its...
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6485875 |
Toner and resin composition for the toner
A toner is constituted by at least a binder resin, a colorant and a wax. The binder resin has been formed from monomers including a vinyl monomer and polyester-forming monomers containing at least...
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