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7578880 |
Method of producing fine particles of metal complex pigment and dispersion containing fine particles of metal complex pigment obtained by the method
A method of producing fine particles of metal complex pigment, containing the step of reacting a solution of an alkali metal salt of a ligand that constitutes the metal complex with a solution of...
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7563318 |
Method of making nanoscale particles of AZO pigments in a microreactor or micromixer
A process for preparing nanoscale azo pigment particles includes providing an organic pigment precursor that contains at least one functional moiety, providing a sterically bulky stabilizer...
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7553365 |
Water-based pigment dispersions, inkjet recording inks, and color filters
An aqueous pigment dispersion is produced by ultrafinely dispersing a pigment dispersion mixture, which has been obtained by mixing at least a pigment and a dispersant in an aqueous medium, with...
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7550041 |
Highly concentrated flowable pigment composition and process for its manufacture
The invention pertains to a highly concentrated pigment comprising
from 75 to 95% by weight, preferably from 78 to 95% by weight, most preferred from 80 to 95% by weight, based on the weight...
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7513947 |
Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor, and molded product therefrom
Thermoplastic resin compositions suitable for laser welding are disclosed, which include a mixture of neutral anthraquinone blue dye with other red dye to absorb visible light with wavelength less...
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7503973 |
Nanosized particles of benzimidazolone pigments
A nanoscale pigment particle composition includes an organic benzimidazolone pigment, and a sterically bulky stabilizer compound, wherein the benzimidazolone pigment associates non-covalently with...
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7503972 |
Organic pigment fine particles and method of producing same
Two or more solutions comprising an organic pigment solution in which an organic pigment is dissolved in a good solvent, and a poor solvent compatible with the good solvent, or a solution of the...
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7494542 |
Method of preparing a pigment composition
A pigment composition can be prepared by wet or dry milling a pigment selected from the group consisting of dianthraquinone pigments, diketopyrrolopyrrole pigments and a mixture thereof, in the...
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7473310 |
Nanosized particles of monoazo laked pigment and non-aqueous compositions containing same
A nanoscale pigment particle composition includes an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one...
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7470320 |
Nanosized particles of monoazo laked pigment with tunable properties
A nanoscale pigment particle composition includes an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one...
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7465349 |
Method of making nanosized particles of monoazo laked pigment
A nanoscale pigment particle composition includes an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one...
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7459017 |
Stir-in form of pigment
Disclosed is a composition and process of manufacture of a stir-in form of pigment with increased dispersing and color properties. Pigment is slurried with acetylenic dispersing agents, wet-milled...
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7427322 |
Organic pigment fine-particle, and method of producing the same
A method of producing a dispersion of a pigment, comprising: bringing a solution in which an organic pigment is dissolved, and an aqueous medium, into contact with each other in a channel having an...
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7419541 |
Monoazo pigment preparations based on C.I. Pigment Yellow 74
A pigment preparation comprising C.I. Pigment Yellow 74 of formula (I) as base pigment and C.I. Pigment Yellow 62 of formula (II) as pigment dispersant.
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7416596 |
Use of a pigment composition comprising mixed crystals based on CI pigment yellow 74
The invention relates to the use of a pigment composition containing between 86.0 and 99.9 total mol % of C.I. Pigment Yellow 74 molecules and between 14.0 and 0.1 total mol % of at least one...
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7399354 |
Method for the production of pigment granules
Dispersible pigment granules are produced by mixing an aqueous suspension of an organic pigment with an aqueous emulsion of a wax-like additive. The aqueous emulsion is then allowed to coagulate...
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7393404 |
Pigment dispersants and their use
A pigment dispersant contains the following component (a) alone or the following components (a) and (b) in combination: Component (a): a composite pigment formed of a diketopyrrolopyrrole pigment...
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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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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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7347894 |
Pigment dispersants and their use
There is disclosed a pigment dispersant comprises the compound represented by the following formula (I) or a metal salt, ammonium salt, amine salt or alkylammoniumchloride salt thereof. Also...
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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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7318860 |
Green pigment preparations
A green pigment preparation that is characterized by a C.I. Pigment Yellow 214 and at least one copper phthalocyanine pigment C.I. Pigment Blue 15:3 and/or C.I. Pigment Blue 15:1 content, the ratio...
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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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7300512 |
Method of making pigment dispersion containing a carrier such as castor oil or vegetable wax
A process of dispersing at least one pigment into a carrier such as castor oil or a vegetable wax such as palm oil glyceride wax. The resulting dispersion exhibits excellent color development and...
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7300511 |
Low viscosity, highly pigmented oil based dispersions exhibiting a low relative interfacial tension drop
Pigment dispersions that when used in printing ink having a relative interfacial tension drop of less than 1.5, and offering an ink viscosity of less than 150 Pa.s, and containing at least 45 wt. %...
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7255737 |
Organic formulations of pigment
The present invention is directed to pigment formulations comprising at least one metal complex of an azo compound which in the form of its tautomeric structures generally conforms to the formula...
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7252710 |
Pigment dispersion composition, use thereof and compound for pigment treatment
A pigment dispersion composition which can be suitably applied in such fields as color filters, black matrices and ink jet recording where it is necessary to finely disperse pigments still with...
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7198667 |
Solid pigment preparations containing pigment derivatives and surface-active additives
Solid pigment preparations containing the following ingredients as substantial components: (A) 60–85 wt. % of at least one organic pigment, (B) 0.1–15 wt. % of at least one pigment derivative...
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7193067 |
Mono- and bis-hydrazone pigments
Mono- and Bis-Azo/Hydrazone Pyrrole Pigments and Methods for preparing same.
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7192477 |
Process for producing pigment nanoparticle
The process for producing highly concentrated nanometer-size fine particles of an organic pigment, which comprises dissolving the organic pigment in an amide solvent, especially an organic solvent...
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7147704 |
Pigment dispersing agent, pigment composition and pigment dispersion
A pigment dispersing agent wherein a quinophthalone structure is bonded to a triazine structure through an arylene group or a heteroaromatic ring and a basic functional group is bonded to triazine...
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7147703 |
Pigment finishing by microwave heating
The invention relates to a process for aftertreating organic pigments which comprises heating the unground or ground organic crude pigment in water and/or organic solvents by means of microwave...
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7135067 |
Water-based pigment dispersions, the production thereof and the use of the same
The invention relates to a pigment dispersion consisting essentially of a) at least one organic or inorganic pigment or a combination of the same, b) an alpha-methyl--omega-hydroxy-polyethylene...
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7135062 |
Hydrophilic coloring matter for recording image, aqueous coloring agent for recording image, method and device for recording image
Image-recording, hydrophilic colorants having an organic pigment linked to a hydrophilic compound through a linking group and which are capable of forming images excellent in print quality such as...
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7132518 |
Mono- and bis-hydrazone pigments
Mono- and Bis-Azo/Hydrazone Pyrrole Pigments and Methods for preparing same.
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7122081 |
Process for aqueous milling of quinacridone pigments
The present invention is directed to an aqueous process for reducing particle size of organic pigments by milling the crude pigment in the presence of a water soluble styrene copolymer dispersant,...
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7115164 |
Preparation of yellow pigments
A process for the manufacture of a transparent Pigment Yellow 155 or transparent Pigment Yellow 180 is disclosed, said process includes grinding particles of said pigment in the presence of a...
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7083674 |
Pigment dispersant, and pigment composition, pigment dispersion and printing ink using the same
A pigment dispersant represented by the following general formula (1) is provided:
wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 each independently is —H, —Cl,...
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7081160 |
Azobarbituric acid metal complex pigment and process for the production thereof
An azobarbituric acid metal complex pigment comprising an azobarbituric acid metal complex of the formula (1), melamine and a compound of the formula (2), which pigment has an average primary...
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7077899 |
Pigment dispersing agent, pigment composition containing the same and pigment dispersion containing the same
A pigment dispersing agent of the formula (1) capable of providing a printing ink or a coating composition excellent in fluidity and dispersion stability and a dry coating excellent in gloss, a...
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7074268 |
Pigment composition and printing ink containing the same
A pigment composition obtainable by dry-milling an organic pigment in the presence of a resin for a printing ink, the resin being composed of a synthetic resin for a printing ink in an amount of...
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7074267 |
Compositions and methods for imparting improved rheology on pigment based inks and paints
Pigment composition comprising an organic pigment and a combination of at least two normally water-soluble coloured compounds (dyes) of opposing charge, i.e. of at least one anionic and one...
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7056378 |
Method for producing vattable organic pigments
The invention relates to a method for producing vattable organic pigments. The invention is characterized in that an agueous or an aqueous-organic suspension of a coarse crystalline raw mineral is...
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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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7041166 |
Manufacturing and conditioning of solid solution organic pigments
Organic solid solution pigments are prepared and conditioned by treating a mixture of their components, after synthesis but preferably without or with only partial drying, in a mixture of from 0 to...
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7033429 |
Method of producing low-dust pigment compositions
The present invention relates to a method of producing a low-dust pigment composition, which comprises suspending a filter cake obtained from preparation of the pigment, or a solid pigment, in...
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7029526 |
Process for making green pigment compositions useful for color filters and LCD's
The invention pertains to the field of green color filters and LCDs. It has been found that pigments with surprisingly improved coloristic, chemical and physical properties are obtained by...
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7019121 |
Process for conditioning azo pigments
A process for conditioning azo pigment with surfactants of ethoxylate alkyl phenols in the presence of a strong alkali in the aqueous condition.
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7008475 |
Water-based colorant preparations
The invention relates to aqueous colorant preparations containing A) between 0.1 and 50 wt. % of at least one organic and/or inorganic pigment and/or at least one organic colorant. B) between 0.01...
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