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Anthraquinone patents



      
           
This page is updated frequently with new Anthraquinone-related patent applications. Subscribe to the Anthraquinone RSS feed to automatically get the update: related Anthraquinone RSS feeds. RSS updates for this page: Anthraquinone RSS RSS


Pulp composition

Cargill

Pulp composition

Date/App# patent app List of recent Anthraquinone-related patents
02/12/15
20150041087
 Articles of manufacture made from pulp composition patent thumbnailArticles of manufacture made from pulp composition
One aspect of the invention relates to an article of manufacture made from a pulp composition comprising an arf pulp. In one embodiment, the pulp composition made from agricultural renewable fibers (arf) having low kappa number with unexpected quality sufficient for papermaking (e.g., high strength parameters and high freeness).
Cargill, Incorporated
02/12/15
20150041085
 Pulp composition patent thumbnailPulp composition
One aspect of the invention relates to a pulp composition made from agricultural renewable fibers (arf) having low kappa number with unexpected quality sufficient for papermaking (e.g., high strength parameters and high freeness). Another aspect of the invention relates to an arf pulp having iso brightness of 60% or higher, and unexpected quality sufficient for papermaking (e.g.
Cargill, Incorporated
01/29/15
20150030505
 Plant for hydrogen peroxide production and process using it patent thumbnailPlant for hydrogen peroxide production and process using it
A plant for producing hydrogen peroxide by an autoxidation process (ao-process) comprising hydrogenating an anthraquinone in a working solution, oxidizing the hydrogenated anthraquinone with oxygen to form hydrogen peroxide and extracting the hydrogen peroxide from the working solution, the plant comprising at least one skid mounted module selected from the group consisting of a skid mounted module comprising at least one hydrogenator (hydrogenation reactor) to hydrogenate the anthraquinone in the working solution (hydrogenation skid 1); a skid mounted module comprising at least one oxidizer (oxidation reactor) to oxidize the hydrogenated anthraquinone with oxygen to form hydrogen peroxide (oxidizer skid 2); optionally a skid mounted module comprising at least one means to compress air (process air compressor skid 3), to feed oxygen, in particular oxygen from the air, into an oxidizer of skid 2, and in case of presence of skid 3 a further skid mounted module comprising at least one means to recover the solvent (solvent recovery unit skid 4), in particular if oxygen from the air is used to feed oxygen into an oxidizer of skid 2; a skid mounted module comprising at least one means to extract the hydrogen peroxide from the working solution (extraction skid 5); a skid mounted module (skid 6), comprising at least one means to deliver hydrogen peroxide solution to the point of use and/or optionally to a storage tank optionally with additional means for adjusting the hydrogen peroxide concentration. Preferably the plant is a modular reactor system which is configured to operate without a reversion unit as a small-to-medium scale mini-ao process plant with a production capacity of hydrogen peroxide of up to 20 kilo tons per year and which can be controlled also remotely..
Solvay Sa
01/22/15
20150025222
 Substituted anthraquinone dyes for cellular stains and enzyme detection patent thumbnailSubstituted anthraquinone dyes for cellular stains and enzyme detection
The invention discloses new substituted anthraquinone dyes that may be useful as cellular stains. In some aspect of the invention, the nuclear stains are useful for staining the nuclei of dead or fixed cells.
Biotium, Inc.
01/15/15
20150017586
 Positive resist composition and patterning process patent thumbnailPositive resist composition and patterning process
A positive resist composition is provided comprising a polymer comprising recurring units having a carboxyl or phenolic hydroxyl group substituted with an acid labile group and recurring units of hydroxyanthraquinone or hydroxy-2,3-dihydro-1,4-anthracenedione methacrylate, and having a mw of 1,000-500,000. The resist composition has a satisfactory effect of suppressing acid diffusion and a high resolution, and forms a pattern of good profile and minimal edge roughness after exposure..
Shin-etsu Chemical Co., Ltd.
01/08/15
20150007851
 Means for dyeing and/or matting keratinic fibres containing novel 1,4 diaminoanthraquinone dyes patent thumbnailMeans for dyeing and/or matting keratinic fibres containing novel 1,4 diaminoanthraquinone dyes
Agents for coloring and/or matting keratinic fibers, in particular human hair, include in a cosmetic carrier at least one specific substituted 1,4-diaminoanthraquinone derivative of formula (i), wherein the residues (r2, r4) mutually independently denote a grouping of formula (ii). The cosmetic method of using these agents can be for producing intense blue shades and for matting keratin fibers..
Henkel Ag & Co. Kgaa
12/25/14
20140374676
 Colored resin composition exhibiting pleochroism, and molded plastics manufactured using same patent thumbnailColored resin composition exhibiting pleochroism, and molded plastics manufactured using same
The present invention relates to a coloring resin composition exhibiting pleochroism comprising 100 parts by weight of a transparent thermoplastic resin (a); 0.01 to 0.03 parts by weight of a dye for coloring a resin (b) which is one selected from the group consisting of an azo-based dye (b1), an anthraquinone-based dye (b2), and a methine dye (b3); and 0.1 to 0.3 parts by weight of a functional black dye (c) obtained by mixing an anthraquinone-based dye (c1) and a perinone-based dye (c2). A resin molded article manufactured by the coloring resin composition exhibiting pleochroism of the present invention is characterized by exhibiting different colors of light according to thicknesses although the resin molded article is irradiated with light sources in a single wavelength..
Samsung Sdi Co., Ltd.
12/04/14
20140356556
 Thermal transfer recording medium patent thumbnailThermal transfer recording medium
There is provided a thermal transfer recording medium capable of obtaining high transfer sensitivity during high-speed printing, that is, decreasing the amount of a dye used in a dye layer; and preventing abnormal transfer during printing even after storage in a high-temperature and high-humidity environment. The thermal transfer recording medium (1) contains: a heat-resistant sliding layer (40) that is formed on one surface of a substrate (10); and an undercoat layer (20) and a dye layer (30) that are sequentially laminated on the other surface of the substrate (10), in which the undercoat layer (20) contains, as major components, a polyvinyl pyrrolidone and a polyvinyl alcohol having a crystallinity degree of 15% or higher, and the dye layer (30) contains an anthraquinone-based thermal transfer dye..
11/13/14
20140332412
 Derivatization of carbon patent thumbnailDerivatization of carbon
Chemical modification of the surface of elemental carbon comprises a first stage of attaching a compound with an azo group to the elemental carbon and then a second stage of decomposing the azo group in the presence of one or more compounds with an olefinic group so that decomposition of the azo group forms radicals attached to the carbon surface and a said radical forms a covalent bond to a said olefinic group. The second stage may proceed as a polymerization of a vinyl monomer with a redox active group such as ferrocene, anthracene or anthraquinone.
10/09/14
20140298597
 Substance for dyeing keratin fibers, including cationic anthraquinone dyes and fatty acid diesters of alkane diols patent thumbnailSubstance for dyeing keratin fibers, including cationic anthraquinone dyes and fatty acid diesters of alkane diols
The present disclosure provides an agent for coloring keratinic fibers comprising, in a cosmetic carrier, (a) at least one compound of formula (i), and (b) at least one fatty acid diester of an alkanediol. The present disclosure also provides a method of using such an agent to produce increased shine, an intense color result with improved fastness properties, or reduced selectivity..
10/09/14
20140298596

Substance for dyeing keratin fibers, including cationic anthraquinone dyes and fatty acid triglycerides


The present disclosure provides an agent for coloring keratinic fibers comprising, in a cosmetic carrier (a) at least one compound of formula (i) and (b) at least one fatty acid triglyceride. The present disclosure also provides a method of using such an agent to produce increased shine, an intense color result with improved fastness properties, or reduced selectivity..
10/02/14
20140293394

Colored composition and image display structure


A colored composition includes: (a) a dye that is selected from the group consisting of a methine dye, an anthraquinone dye and an azomethine dye, and that is a mixture of stereoisomers; and (b) a non-polar solvent.. .
10/02/14
20140289971

Substance for dyeing keratin fibers, including cationic anthraquinone dyes and anionic polymers


The present disclosure provides an agent for coloring keratinic fibers comprising, in a cosmetic carrier, (a) at least one compound of formula (i) and (b) at least one anionic polymer. The present disclosure also provides a method of using such an agent to produce increased shine, an intense color result with improved fastness properties, or reduced selectivity..
09/18/14
20140263038

Method for control of deleterious microbes in oil and gas and other industrial fluids


A method of controlling sulfides in water systems is disclosed which includes injecting 9,10 anthraquinone into the water system and injecting a nitrate or nitrite into the water system.. .
09/11/14
20140255295

Process for the manufacture of hydrogen peroxide


A continuous process for producing hydrogen peroxide by an anthraquinone process, comprising the steps of: (i) hydrogenating an organic working solution containing one or more anthraquinone derivatives in the presence of a heterogeneous catalyst to form a hydrogenated working solution; (ii) oxidizing the hydrogenated working solution by introducing an oxygen-containing oxidizing gas at an overpressure into an oxidation reactor, and contacting the oxidizing gas with the hydrogenated working solution to form an oxidized working solution, whereby hydrogen peroxide is formed; (iii) withdrawing an oxidation off gas from the oxidation reactor; (iv) recovering the formed hydrogen peroxide from the oxidized working solution; (v) subjecting the oxidation off gas withdrawn from said oxidation reactor, which has an excess pressure over atmospheric pressure, to a demisting treatment to obtain a demisted oxidation off gas; and (vi) feeding the demisted oxidation off gas as propellant gas into a gas ejector to produce a vacuum.. .
09/11/14
20140255294

Process for producing hydrogen peroxide


A process for manufacturing hydrogen peroxide by an anthraquinone autoxidation process (ao-process) comprising two alternate (essential) steps of: (a) hydrogenation of a working solution in a hydrogenation unit in the presence of a catalyst, wherein such working solution contains at least one alkylanthraquinone dissolved in at least one organic solvent, to obtain at least one corresponding alkylanthrahydroquinone compound; and (b) oxidation of the at least one alkylanthrahydroquinone compound to obtain hydrogen peroxide in an oxidation unit; and further comprising the step of: (c) extracting the hydrogen peroxide formed in the oxidation step in an extraction unit, wherein the units of step (a) to (c), optionally together with further ancillary units as appropriate, constitute a hydrogen peroxide production site, wherein one or more of said units are equipped with one or more sensors for monitoring one or more ao-process parameters at the hydrogen peroxide production site, said sensors being interconnected with one or more first computers at the hydrogen peroxide production site, said first computers being linked via a communication network to one or more second computers in a control room being remote from the hydrogen peroxide production site, and said control room being remotely controlling such hydrogen peroxide production site.. .
08/21/14
20140234202

Process for producing hydrogen peroxide


A process for manufacturing hydrogen peroxide by an anthraquinone autoxidation process (ao-process) comprising two alternate essential steps of: (a) hydrogenation of a working solution in a hydrogenation unit in the presence of a catalyst, wherein the working solution contains at least one alkylanthraquinone dissolved in at least one organic solvent, to obtain at least one corresponding alkylanthrahydroquinone compound; and (b) oxidation of the at least one alkylanthrahydroquinone compound to obtain hydrogen peroxide in an oxidation unit; and further comprising step (c): extracting the hydrogen peroxide formed in the oxidation step in an extraction unit, wherein the hydrogenation, oxidation and extraction steps are performed in an reactor system which is designed as a compact modular system of a hydrogenation, an oxidation and an extraction unit, and wherein the reactor system is configured to operate without a reversion (regeneration) unit for continuous reversion of the working solution as a small to medium scale ao-process with a production capacity of hydrogen peroxide of up to 20 kilo tons per year, wherein the working solution and/or the catalyst are replaced and/or treated for regeneration or reactivation only intermittently or periodically, e.g., with a low frequency.. .
08/21/14
20140232808

Heat-sensitive transfer recording medium


Provided is a heat-sensitive transfer recording medium having a base material, and an undercoating layer and a dye layer sequentially laminated and formed on the base material. The undercoating layer is formed by applying and then drying an undercoating layer-forming application liquid containing polyvinyl pyrrolidone and polyvinyl alcohol whose tensile strength measured based on jis k 7113 is not lower than 8 kg/mm2.
07/24/14
20140205777

Articles of manufacture made from pulp composition


One aspect of the invention relates to an article of manufacture made from a pulp composition comprising an arf pulp. In one embodiment, the pulp composition made from agricultural renewable fibers (arf) having low kappa number with unexpected quality sufficient for papermaking (e.g., high strength parameters and high freeness).
07/03/14
20140182801

Pulp composition


One aspect of the invention relates to a pulp composition made from agricultural renewable fibers (arf) having low kappa number with unexpected quality sufficient for papermaking (e.g., high strength parameters and high freeness). Another aspect of the invention relates to an arf pulp having iso brightness of 60% or higher, and unexpected quality sufficient for papermaking (e.g.
06/26/14
20140174680

Pulping processes


A pulping process comprises using a high concentration of anthraquinone (aq). The pulping process is capable of providing a pulp having low kappa number with unexpectedly high strength.
05/01/14
20140116307

Compositions containing anthraquinone derivatives as growth promoters and antifungal agents


Compositions for modulating plant growth, seed germination and soil borne diseases comprising anthraquinone derivatives are disclosed.. .
03/27/14
20140086856

Silicone compound and photoprotective personal care compositions comprising the same


The present invention relates to silicone compounds which have photoprotective properties and personal care compositions comprising the same. The present inventors, in developing a sunscreen that gives protection against both uv radiation and visible radiation, found that when a certain moiety generally occurring in nature i.e.
03/13/14
20140073675

Plant pathogen inhibitor combinations and methods of use


Combinations, compositions and methods of use for modulating plant pathogen infection using plant extracts containing anthraquinone derivatives which induce resistance to plant phytopathogens and an antimicrobial agent, a biological control agent and/or a surfactant having fungicidal activity. .
03/06/14
20140065526

Positive photosensitive resin composition and forming patterns by using the same


The present invention relates to a positive photosensitive resin composition and a method for forming patterns by using the same. The positive photosensitive resin composition includes a novolac resin (a), an ortho-naphthoquinone diazide sulfonic acid ester (b), a dye (c) and a solvent (d).
01/09/14
20140011786

Synthesis and use of anti-tumor drug lqc-y


Disclosed are the general structural formula of lqc-y as well as the synthesis and use thereof. Pharmacological experiments demonstrated the marked antitumor effect of such compounds.
12/05/13
20130324717

Copolymerizable methine and anthraquinone compounds and articles containing them


This invention relates to polymerizable ultraviolet light absorbers and yellow colorants and their use in ophthalmic lenses. In particular, this invention relates to polymerizable ultraviolet light absorbing methane compounds and yellow compounds of the methine and anthraquinone classes that block ultraviolet light and/or violet-blue light transmission through ophthalmic lenses..
12/05/13
20130323329

Method of using rhein for treating fibrotic conditions and tumors


The present invention relates to a method of using an anthraquinone derivative namely 9,10-dihyro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid, or known as rhein, for treating chronic pancreatitis induced fibrosis of the pancreas. More particularly, the present invention relates to a method of using rhein, its derivatives and/or chemical variants as an anti-fibrotic agent.
11/28/13
20130316275

Electrophotographic photoreceptor, image forming apparatus, and process cartridge


An electrophotographic photoreceptor includes a support; an undercoat layer which is provided on the support and contains at least a binder resin, metal oxide particles, and an electron-accepting compound having an anthraquinone structure, in which a content of the electron-accepting compound is from 0.5% by weight to 1.5% by weight with respect to the metal oxide particles and a contact angle of the metal oxide particles with respect to water is from 7° to 12°; and a photosensitive layer which is provided on the undercoat layer.. .
11/07/13
20130296588

Anthraquinone compounds and their uses


The present invention relates to a compound comprising a substituted or unsubstituted anthraquinone, or a salt or isomer thereof, for use in treating a disorder caused by or associated with dysfunctional ion channel activity. The invention finds utility in the treatment of disorders associated with smooth muscle tone and contraction, such as partial hypertension; myocardial infarction; faecal incontinence; constipation; gastro oesophageal reflux; impaired gastrointenstinal passage; urinary incontinence; erectile dysfunction; and asthma..
10/31/13
20130289218

Polycarboxylic acid dye with low polymerization degree


The present invention provides a polycarboxylic acid dye with low polymerization degree, which is formed by using a macromolecule skeleton of polymaleic acid linked to an azo chromophore, an azo-metal complexation chromophore or an anthraquinone chromophore via a bridge group of amide or ester bond. The dye is useful for dyeing and printing leather, protein fiber, cellulose fiber and synthetic fiber..
10/31/13
20130289028

Heterocyclic fused anthraquinone derivatives, manufacturing method and pharmaceutical composition using thereof


Wherein r2 is amino group, oxyl group or a thiol group. In the meantime, a method for manufacturing the above-mentioned heterocyclic fused anthraquinone derivatives and a pharmaceutical composition using thereof are also disclosed here..
10/17/13
20130269120

Dye composition comprising benzyl alcohol, a monoalcohol and a particular direct dye


One subject of the present invention is a dye composition comprising benzyl alcohol, at least one c1-c4 monoalcohol and at least one anthraquinone direct dye of formula (i) or azomethine direct dye of formula (ii). The composition of the invention makes it possible to obtain colourings that are intense and resistant..
10/10/13
20130267757

Anthraquinones for use as radiosensitizers in cancer treatment


Provided is an a combination therapy including a radiosensitizing agent and radiation, and being effective to inhibit proliferation of cancer stem cells. Further provided is a combination which includes a radiosensitizing agent and radiation, and effectively reduces incidence of at least one of cancer relapse and metastatic cancer in a subject having a cancer, wherein the cancer includes cancer stem cells.
10/03/13
20130256133

Electrochemical sensor


A voltammetric ph sensor, especially for characterising wellbore fluids, comprises a plurality of electrodes with a redox active organic compound attached to an electrode and having at least one functional group convertible electrochemically between reduced and oxidized forms with transfer of at least one proton between the compound and surrounding aqueous phase, wherein the compound has at least one substituent group which promotes hydrogen bonding at a said functional group and thereby increases the reaction rate of proton transfer. The substituent group may form an internal hydrogen bond with a redox-convertible group or may enhance polarity to promote electrostatic interaction with water molecules and reduce activation energy.
10/03/13
20130255008

Dyeing composition for keratin fibers


Present invention relates to dyeing composition for keratin fibers especially human hair comprising cationic anthrachinone dye. The first object of the present invention is a dyeing composition for keratin fibres especially human hair resulting from mixing of two parts a and b wherein part a has an alkaline ph and comprises at least one cationic anthraquinone dye and at least one additional dyestuff selected from direct and oxidative dyes and part b has an acidic ph and comprises at least one oxidizing agent..
09/26/13
20130252147

Electrophotographic photoreceptor, process cartridge, and image forming apparatus


Wherein the anthraquinone structure expressed by formula 1 is bonded to another structure at a position of *, and thus forms the reactive acceptor substance, and in formula 1, n1 represents an integer of 1 to 7.. .
09/19/13
20130241815

Ink containing anthraquinone based dye, dye used in the ink, and display


An object of the present invention is to provide an anthraquinone based dye having excellent solubility in a low polar solvent and having high absorption coefficient and high light resistance and an ink containing the same. The present invention relates to an ink comprising a specific anthraquinone based dye..
08/08/13
20130202833

Coating formulation for preparing a hydrophilic coating


The invention is directed to a coating formulation for preparing a hydrophilic coating a hydrophilic polymer, a norrish type ii photoinitiator, comprising a substituted benzohenone, xanthone, tioxanthone or anthraquinone, and more than 70 wt % of a carrier liquid; to a method of forming a hydrophilic coating on a substrate, the method comprising: applying a coating formulation to at least one surface of an article and allowing the coating formulation to cure for a time period less than 360 seconds; and to an article comprising at least one hydrophilic coating.. .
03/28/13
20130079442

Blue ink for postage printing


A blue ink for postage printing, which contains a blue pigment, a black dye, and an aqueous carrier, wherein the weight ratio of blue pigment to black dye is in the range of 50:1 to 2:1. The blue pigment is a copper phthalocyanine pigment or an anthraquinone pigment, and the black dye is an azo dye..
03/28/13
20130079314

Aloe vera extract, producing aloe vera extract, and hyperglycemia improving agent


(2) the content of an anthraquinone-based compound is 0.001% by mass or less.. .
03/07/13
20130059862

Novel 1, 2-disubstituted amido-anthraquinone derivatives, preparation method and application thereof


The invention provides a series of novel 1,2-disubstituted amido-anthraquinone derivatives. Further, the invention also provides the preparation method and application of said derivatives, said application comprises: said derivatives with therapeutically effective amount are prepared into pharmaceutical compositions for inhibition of cancer cell growth, further treating cancer..
02/14/13
20130037487

Poly (sulfoaminoanthraquinone) materials and methods for their preparation and use


Poly(sulfoaminoanthraquinone) polymer compositions and methods of making these compositions are disclosed herein. The polymer compositions can, for example, be used for removing metal ions from a sample..
01/17/13
20130018159

Copolymerizable methine and anthraquinone compounds and articles containing them


This invention relates to polymerizable ultraviolet light absorbers and yellow colorants and their use in ophthalmic lenses. In particular, this invention relates to polymerizable ultraviolet light absorbing methane compounds and yellow compounds of the methine and anthraquinone classes that block ultraviolet light and/or violet-blue light transmission through ophthalmic lenses..
01/17/13
20130018009

Anti-obesity product and its preparation


The present invention relates to compositions comprising one or more anthraquinones for use in the treatment of obesity and related metabolic and liver disease. More particularly it relates to a plant extract fraction rich in anthraquinones including both anthraquinone glycosides and anthraquinone aglycones obtainable from a member of the leguminosae family, more particularly cassia seeds.
01/17/13
20130017746

Adhesive tape with textile carrier for cable bandaging


Adhesive tape consisting of a textile carrier and of an adhesive layer applied to at least one side of the carrier, the carrier being coloured with a mixture of dyes and/or pigments, characterized in that at least one of the dyes and/or one of the pigments is based on anthraquinone.. .


Popular terms: [SEARCH]

Anthraquinone topics: Anthraquinone, Carboxylic Acid, Chromophore, Maleic Acid, Benzyl Alcohol, Sensitizer, Combination Therapy, Stem Cells, Proliferation, Solubility, Photoinitiator, Hyperglycemia, Phthalocyanine, Therapeutical, Cancer Cell

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This listing is a sample listing of patent applications related to Anthraquinone for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Anthraquinone with additional patents listed. Browse our RSS directory or Search for other possible listings.
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