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Acridone

Acridone-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Method for manufacturing colored particle dispersion
Kao Corporation
June 01, 2017 - N°20170152393

The present invention provides a process for producing a colored fine particle dispersion suitably used in a water-based ink for ink-jet printing which can be produced by an emulsion polymerization method even when using a pigment having a quinacridone skeleton, is excellent in storage stability, and can provide printed characters or images having excellent rub fastness when printed on a ...
Acridone compounds
Kao Corporation
May 25, 2017 - N°20170144974

A class of acridone compounds has been discovered that exhibits chemosensitizing and antiparasitic activity. Described herein are pharmaceutical compositions and methods for their use to treat parasitic infections, such as malaria and toxoplasmosis, and to sensitize resistant cells, such as multidrug resistant cells to other therapeutic agents. The pharmaceutical compositions and methods may also be used to treat and/or ...
Functionalized quinacridone pigments
E Ink Corporation
May 11, 2017 - N°20170130053

Quinacridone pigments that are surface-functionalized with glycidyl methacrylate, maleic anhydride, or 4-methacryloxyethyl trimellitic anhydride to create a functionalized pigment. The functional groups are then activated to bond hydrophobic polymers, thereby coating the pigment with the hydrophobic polymers. The quinacridone pigments can be used for a variety of applications. They are well-suited for use in electro-optic materials, such as electrophoretic media ...
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Photoelectric conversion film, photoelectric conversion element and electronic device
Sony Semiconductor Solutions Corporation
February 23, 2017 - N°20170054089

There is provided a photoelectric conversion film including a quinacridone derivative represented by the following general formula (1) and a subphthalocyanine derivative represented by the following general formula (2).
Aqueous ink, ink cartridge, and ink jet recording method
Canon Kabushiki Kaisha
February 09, 2017 - N°20170037267

An aqueous ink for use in an ink jet recording method in which ink is thermally ejected from a recording head to record an image on a recording medium. The aqueous ink includes zirconium oxide; a pigment; a resin dispersant for the pigment; and a first and a second urethane resin. The content (ppm) of the zirconium oxide in terms ...
Magenta inks
Hewlett-packard Development Company, L.p.
January 26, 2017 - N°20170022383

The present disclosure relates to magenta inkjet inks having a quinacridone pigment and an azo pigment. The azo pigment has at least one azo compound having the formula (i), in which ra is selected from h, aryl and c1 to c4 alkyl, and rb, rc and rd are each independently selected from h, a c1 to c4 alkyl, an oxygen-containing, ...
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Quinacridone pigment of low amine content and method for producing same
Dic Corporation
September 29, 2016 - N°20160280924

Provided are a quinacridone pigment having a low content of a primary aromatic amine, a method for producing the same, and also a gravure and flexo ink, a colorant for plastic, a paint, a lithographic ink, a toner, or an ink-jet ink using the pigment. The quinacridone pigment having a low primary aromatic amine content is provided by washing a ...
Aqueous ink, ink cartridge, and ink jet recording method
Canon Kabushiki Kaisha
July 28, 2016 - N°20160215153

An ink jet aqueous ink including a pigment; a resin dispersant; a fluorinated surfactant; and a water-soluble organic solvent. The pigment comprises quinacridone pigments comprising c. I. Pigment violet 19, red 122, 202 or 209; solid solution pigments of two or more thereof; diketopyrrolopyrrole pigments comprising c. I. Pigment red 254, 255 or 272; or c. I. Pigment violet 23. The dispersant has an acid value of 150-200 ...
Methods for producing aqueous pigment dispersion liquid and water-based ink for ink jet recording
Dic Corporation
June 09, 2016 - N°20160160050

A method for producing an aqueous pigment dispersion liquid, including: a kneading step of kneading a mixture of a quinacridone pigment (a), a pigment derivative (b), an organic high-molecular compound having an anionic group (c), a basic compound (d), and an acetylene glycol surfactant (e) in a closed kneader to prepare a pigment-kneaded material having a solid content in the ...
Pigment composition and pigment/resin mixture
Clariant International Ltd.
February 25, 2016 - N°20160053081

Provided is a pigment combination exhibiting excellent electrical properties including electrical insulating properties and environmental safety, and having a hue close to that of carbon black and giving a high coloring strength. The invention provides a pigment composition containing a plurality of organic pigments p1 and p2 as essential components and optionally further containing a third pigment p3, wherein the ...
Optoelectronic component
Heliatek Gmbh
January 21, 2016 - N°20160020419

An optoelectronic component includes a photoactive layer which is arranged between an electrode and a counter electrode. In addition to a donor-acceptor system, the photoactive layer includes a third material which influences the crystallization of the donor-acceptor system. The third material selected from a group consisting of crown ethers, triphenyls, sorbitols, quinacridones and bis(4-(tert-butyl)benzoato-o) hydroxyaluminium. Crown ethers ...
Acridone compounds
Government Of The United States Of America Dba The Department Of Veterans Affairs
July 30, 2015 - N°20150210645

(a1) a class of acridone compounds has been discovered that exhibits chemosensitizing and antiparasitic activity. Described herein are pharmaceutical compositions and methods for their use to treat parasitic infections, such as malaria and toxoplasmosis, and to sensitize resistant cells, such as multidrug resistant cells to other therapeutic agents. The pharmaceutical compositions and methods may also be used to treat and/...
Active energy ray-curable inkjet magenta ink composition
Government Of The United States Of America Dba The Department Of Veterans Affairs
August 14, 2014 - N°20140224150

The present invention provides an active energy ray-curable inkjet magenta ink composition that achieves excellent color reproducibility and is also excellent in storage stability, and an ink set using the composition. The magenta ink composition according to the present invention contains, as two kinds of quinacridone pigments, (a) unsubstituted quinacridone and (b) 2,9-dimethylquinacridone.
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Acridone compounds
Government Of The United States Of America Dba The Department Of Veterans Affairs
May 08, 2014 - N°20140128423

A class of acridone compounds has been discovered that exhibits chemosensitizing and antiparasitic activity. Described herein are pharmaceutical compositions and methods for their use to treat parasitic infections, such as malaria and toxoplasmosis, and to sensitize resistant cells, such as multidrug resistant cells to other therapeutic agents. The pharmaceutical compositions and methods may also be used to treat and/or ...
Composition comprising hepatic therapeutic active for treating liver diseases, certain cancers and liver health maintenance
Government Of The United States Of America Dba The Department Of Veterans Affairs
March 27, 2014 - N°20140088137

Compositions of hepatic therapeutic actives from one or more acridone compounds, one or more xanthone compounds, one or more thioxanthone compounds, one or more tocotrienol compounds, and one or more oleanolic triterpenoid compounds. Also, methods for treating various liver diseases or certain cancers with such hepatic therapeutic actives, as well as providing liver health maintenance.
Composition comprising hepatic therapeutic active for treating liver diseases, certain cancers and liver health maintenance
Government Of The United States Of America Dba The Department Of Veterans Affairs
March 27, 2014 - N°20140088136

Compositions of hepatic therapeutic actives from one or more acridone compounds, one or more xanthone compounds, one or more thioxanthone compounds, one or more tocotrienol compounds, and one or more oleanolic triterpenoid compounds. Also, methods for treating various liver diseases or certain cancers with such hepatic therapeutic actives, as well as providing liver health maintenance.
Aqueous pigment dispersion used for preparing ink jet recording aqueous ink, and ink jet recording ...
Government Of The United States Of America Dba The Department Of Veterans Affairs
January 09, 2014 - N°20140011917

An aqueous pigment dispersion used for preparing an ink jet recording aqueous ink comprises an anionic group-containing organic polymeric compound, an organic pigment, an organic pigment derivative, and the water, wherein the polymeric compound, the organic pigment, and the organic pigment derivative are dispersed in water, the organic pigment and the organic pigment derivative are a diketopyrrolopyrrole-based red pigment and ...
Readily adhesive sheet and protective sheet for solar cell
Government Of The United States Of America Dba The Department Of Veterans Affairs
January 02, 2014 - N°20140000711

A readily adhesive sheet including a base material film and an olefin-based polymer layer which is disposed on at least one surface of the base material film and contains at least one binder, which is an olefin-based binder having an elastic modulus of 320 mpa or less, at least one coloring pigment selected from titanium oxide, carbon black, titanium black, black ...
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