Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
34results about "Methine/polymethine-azo dyes" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Labeling reagents and methods of their use
ActiveUS20090004753A1Improve hydrolytic stabilityImprove stabilitySilicon organic compoundsMethine/polymethine dyesCombinatorial chemistryReagent
The present disclosure is directed to a reactive ester agent capable of conjugating a reporter molecule to a carrier molecule or solid support. The reactive ester agent has the general formula:wherein the variables are described throughout the application.
Owner:LIFE TECH CORP
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
An electrophotographic photosensitive member is formed of a support, and a photosensitive layer disposed on the support. The photosensitive layer is characterized by containing an azo pigment having an organic group represented by formula (1) below: wherein X1, Z1, k1, B, A, R1 and R2 are defined in the text. The group of the formula (1) may provide at least one of up to 4 azo-substituents of the azo pigment having an entire structure represented byAr+545 N=N-Cp) 1-4,wherein Ar denotes an aromatic or heterocyclic core unit, Cp denotes a coupler residue group, and -(N=N-Cp) denotes such an azo-substituent. The photosensitive member can exhibit good electro-photographic performances including high and stable sensitivity on repetitive use.
Owner:CANON KK
Metal complex colorant comprising azo moiety
Owner:S PRINTING SOLUTION CO LTD
Dye-sensitized photoelectric conversion device
InactiveUS7851701B2Improve conversion efficiencyStyryl dyesMonoazo dyesCarboxyl radicalPhotoelectric conversion
A photoelectric conversion device using a semiconductor fine material such as a semiconductor fine particle sensitized with a dye carried thereon, characterized in that the dye is a methine type dye having a specific partial structure, for example, a methine type dye having a specific carboxyl-substituted hetero ring on one side of a methine group and an aromatic residue substituted with a dialkylamino group or an organic metal complex residue on the other side of the methine group, or a methine type dye having a carboxyl-substituted aromatic ring on one side of a methine group and a heteroaromatic ring having a dialkylamino group or an organic metal complex residue on the other side of the methine group; and a solar cell using the photoelectric conversion element. The photoelectric conversion element exhibits a conversion efficiency comparable or superior to that of a conventionally known photoelectric conversion element sensitized with a methine type dye.
Owner:NIPPON KAYAKU CO LTD
Synthesis of novel azo-dyes and their use in oligonucleotide synthesis
ActiveUS7956169B1Strong fluorescence quenching propertyEasy to manufactureMonoazo dyesDisazo dyesFluorescenceOligonucleotide synthesis
The invention provides a novel group of azo quencher compositions that are useful as quenchers of fluorescence and to methods for making and using them. The quenchers contain an azo bond and 1,3,3-trimethyl-2-methyleneindoline ring system. The quenchers can be derivatized to facilitate their conjugation to a variety of biologically relevant compounds, including lipids, nucleic acids, peptides, proteins, and the like.
Owner:CHEMGENES CORP
Optical information recording medium
InactiveUS20060068326A1High densityExcellent recording characteristicPhotomechanical apparatusRecord information storageExtinctionLaser light
The present invention provides an optical information recording medium comprising a substrate having provided thereon a recording layer in which information can be recorded by laser light irradiation, wherein the recording layer contains a dye represented by the following formula (I): Formula (I) wherein Dye represents a dye residue having an absorption as high as 10000 (cm−1·mol−1) or more as a molar extinction coefficient for light having a wavelength of 450 nm to 900 nm; L represents a divalent connecting group or a single bond; UV represents a dye residue having an absorption as high as 10000 (cm−1·mol−1) or more as a molar extinction coefficient for light having a wavelength of 280 nm to 450 nm; and m denotes an integer from 1 to 8.
Owner:FUJIFILM HLDG CORP +1
Dye-Sensitized Photoelectric Conversion Device
InactiveUS20110031446A1Improve conversion efficiencyStyryl dyesMonoazo dyesPhotoelectric conversionSolar cell
Owner:NIPPON KAYAKU CO LTD
Organic dyestuff and preparation method thereof and recordable optical information recording medium containing organic dyestuff
InactiveCN101712809AImprove thermal stabilityImprove solubilityRecord information storageMethine/polymethine-azo dyesSolubilityOrganic dye
The invention relates to an organic dyestuff of a recordable optical information recording medium, a preparation method thereof and a recordable optical information recording medium containing the organic dyestuff. The general formula of the organic dyestuff is as follows: ring A and ring A' are respectively aromatic ring, aromatic heterocyclic ring or aromatic condensed ring; R1, R2, R4 and R5 respectively represent same or different hydrogen or hydrocarbyl; R3 and R6 respectively represent same or different hydrocarbyl; and X represents azo metal complex anion taking a transition metal as a central atom. The invention has the following effects of absorbing visible light at the short wave length part, having excellent light resistance and solvent dissolubility, excellent thermostability, being suitable for reading for a long time without changing the information recording accuracy, and being suitable for high density recording; the Chinese blue-ray high-definition disc prepared by the dyestuff can smoothly carry out high density recording and reading. The invention also provides the preparation method of the dyestuff and the recordable optical information recording medium containing the dyestuff.
Owner:上海拓引数码技术有限公司
Dye-Sensitized Photoelectric Conversion Device
InactiveUS20110030801A1Improve conversion efficiencyStyryl dyesMonoazo dyesPhotoelectric conversionSolar cell
A photoelectric conversion device using a semiconductor fine material such as a semiconductor fine particle sensitized with a dye carried thereon, characterized in that the dye is a methine type dye having a specific partial structure, for example, a methine type dye having a specific carboxyl-substituted hetero ring on one side of a methine group and an aromatic residue substituted with a dialkylamino group or an organic metal complex residue on the other side of the methine group, or a methine type dye having a carboxyl-substituted aromatic ring on one side of a methine group and a heteroaromatic ring having a dialkylamino group or an organic metal complex residue on the otherside of the methine group; and a solar cell using the photoelectric conversion element. The photoelectric conversion element exhibits a conversion efficiency comparable or superior to that of a conventionally known photoelectric conversion element sensitized with a methine type dye.
Owner:NIPPON KAYAKU CO LTD
Colored curable composition, color resist, ink-jet ink, color filter and method for producing the same, solid-state image pickup device, image display device, liquid crystal display, organic el display, and colorant compound and tautomer thereof
InactiveUS20120021354A1Preparation by hydrocarbon radical introductionMonoazo dyesResistHydrogen atom
A colored curable composition including: at least one selected from the group consisting of a compound represented by the following Formula (1a) and a tautomer thereof; and at least one polymerizable compound,wherein R11, R12, R13, R14, R15, and R16 each independently represent a hydrogen atom or a monovalent substituent; and R11 and R12, and R15 and R16 independently may bond to each other in each pair to form a ring.
Owner:FUJIFILM CORP
Twin chromophore molecule
The invention relates to the molecule containing a first chromophore that exhibits a first absorption maximum above 700 nm and a second chromophore that exhibits a second absorption maximum different from the first absorption maximum, wherein the absorption of the first and second chromophores are substantially independent of each other.
Owner:EASTMAN KODAK CO
Organic dye and preparation method and application thereof
InactiveCN101838474AHigh yieldHigh purityMonoazo dyesLight-sensitive devicesSpectral responseFluorescence
The invention relates to an organic dye, in particular to a D-N=N-pi-A organic dye, wherein D refers to an electron repulsive structure unit, N=N refers to an azo structure unit, pi refers to a coumarin conjugate structure unit, and A refers to a rhodanine electron acceptor structure unit. The invention aims to find a functional organic dye which has the advantages of high molecular tailoring properties, wide spectral response range, low synthesis cost and capacity of absorbing most visible light and can be applied to the fields such as acid dyes, fluorescent dyes, organic electroluminescent materials and dye-sensitized nano TiO2 solar cells.
Owner:HUAIHAI INST OF TECH
Optical information recording medium
InactiveUS7491486B2Improved fastness to light and humidity and temperatureReduce solubilityPhotomechanical apparatusRecord information storageExtinctionLaser light
The present invention provides an optical information recording medium comprising a substrate having provided thereon a recording layer in which information can be recorded by laser light irradiation, wherein the recording layer contains a dye represented by the following formula (I):wherein Dye represents a dye residue having a molar extinction coefficient of 10000 (cm−1·mol−1) or more for light having a wavelength of 450 nm to 900 nm; L represents a divalent connecting group or a single bond; UV represents a dye residue having a molar extinction coefficient of 10000 (cm−1·mol−1) or more for light having a wavelength of 280 nm to 450 nm; and m denotes an integer from 1 to 8.
Owner:FUJIFILM HLDG CORP +1
Dye-sensitized photoelectric conversion device
InactiveUS8338701B2Improve conversion efficiencyStyryl dyesMonoazo dyesPhotoelectric conversionSolar cell
A photoelectric conversion device using a semiconductor fine material such as a semiconductor fine particle sensitized with a dye carried thereon, characterized in that the dye is a methine type dye having a specific partial structure, for example, a methine type dye having a specific carboxyl-substituted hetero ring on one side of a methine group and an aromatic residue substituted with a dialkylamino group or an organic metal complex residue on the other side of the methine group, or a methine type dye having a carboxyl-substituted aromatic ring on one side of a methine group and a heteroaromatic ring having a dialkylamino group or an organic metal complex residue on the other side of the methine group; and a solar cell using the photoelectric conversion element. The photoelectric conversion element exhibits a conversion efficiency comparable or superior to that of a conventionally known photoelectric conversion element sensitized with a methine type dye.
Owner:NIPPON KAYAKU CO LTD
Labeling reagents and methods of their use
ActiveUS8586743B2Improve hydrolytic stabilityImprove stabilitySilicon organic compoundsMethine/polymethine dyesCombinatorial chemistryReagent
The present disclosure is directed to a reactive ester agent capable of conjugating a reporter molecule to a carrier molecule or solid support. The reactive ester agent has the general formula:wherein the variables are described throughout the application.
Owner:LIFE TECH CORP
Dichroic dye, composition thereof, and liquid crystal composition and liquid crystal display element containing the same
InactiveUS6861106B2Improve heat stabilityGood light stabilityLiquid crystal compositionsPreparation by hydrocarbon radical introductionSolubilityCrystallography
Dichroic dyes, dichroic dye compositions, and liquid crystal composition and liquid crystal display element containing the dichroic dyes. The dichroic dye has increased solubility and stability.
Owner:IND TECH RES INST
Metal complex colorant comprising azo moiety
A metal complex colorant represented by formula 1 may embody various colors and has improved fastness, such as light resistance, water resistance and the like: wherein each of A1 and A2 is independently a moiety which includes a substituted or unsubstituted C2-C30 alkenylene group having at least one double bond and is conjugated with an azo group; each of X1 and X2 is selected from the group consisting of a hydroxy group, a C1-C4 alkoxy group, a carboxyl group, and a substituted or unsubstituted amino group;M is a polyvalent transition metal; L is a neutral or anionic ligand; n is an integer from 1 to 3; and J is a linker. The metal complex colorant may be used in various fields employing colors, such as fibers, foods, drugs, cosmetics, coatings, inks or ceramics.
Owner:S PRINTING SOLUTION CO LTD
Labeling Reagents and Methods of Their Use
ActiveUS20130337536A1Improve hydrolytic stabilityImprove stabilityMonoazo dyesMethine/polymethine dyesCombinatorial chemistryReagent
The present disclosure is directed to a reactive ester agent capable of conjugating a reporter molecule to a carrier molecule or solid support. The reactive ester agent has the general formula:wherein the variables are described throughout the application.
Owner:LIFE TECH CORP
Thermal transfer imaging element containing infrared bichromophoric colorant
InactiveUS6841514B2Eliminate unwanted absorptionStyryl-azo dyesMethine/polymethine-azo dyesCalorescenceChromophore
Disclosed is an imaging element comprising a bichromophoric molecule comprising a first chromophore that exhibits a first absorption maximum above 700 nm and a second chromophore that exhibits a second absorption maximum different from the first absorption maximum, wherein the absorption of the first and second chromophores are substantially independent of each other, and a process for imaging using such a donor element. Elements of the invention eliminate unwanted absorptions in the final image.
Owner:EASTMAN KODAK CO
Self-dispersible metal complex colorant comprising azo moiety
A self-dispersible metal complex colorant is represented by formula 1, which has improved storage stability, may embody various colors and has improved fastness, such as light resistance, water resistance and the like:wherein each of A1 and A2 is independently a moiety which includes a substituted or unsubstituted C2-C30 alkenylene group having at least one double bond and is conjugated with an azo group; each of X1 and X2 is selected from the group consisting of a hydroxy group, a C1-C4 alkoxy group, a carboxyl group, and a substituted or unsubstituted amino group; M is a polyvalent transition metal; L is a neutral or anionic ligand; T is a mono- or poly-substituted hydrophilic functional group; n is an integer between 1 and 3; and J is a linker. The self-dispersible metal complex colorant may be used in various fields employing colors, such as fibers, foods, drugs, cosmetics, coatings, inks or ceramics.
Owner:S PRINTING SOLUTION CO LTD
Self-dispersible metal complex colorant comprising azo moiety
A self-dispersible metal complex colorant is represented by formula 1, which has improved storage stability, may embody various colors and has improved fastness, such as light resistance, water resistance and the like: wherein each of A1 and A2 is independently a moiety which includes a substituted or unsubstituted C2-C30 alkenylene group having at least one double bond and is conjugated with an azo group; each of X1 and X2 is selected from the group consisting of a hydroxy group, a C1-C4 alkoxy group, a carboxyl group, and a substituted or unsubstituted amino group; M is a polyvalent transition metal; L is a neutral or anionic ligand; T is a mono- or poly-substituted hydrophilic functional group; n is an integer between 1 and 3; and J is a linker. The self-dispersible metal complex colorant may be used in various fields employing colors, such as fibers, foods, drugs, cosmetics, coatings, inks or ceramics.
Owner:S PRINTING SOLUTION CO LTD
Novel bisazo methenyl nickel complexing solvent dye containing benzimidazolone ring, and preparation method and application of complexing solvent dye
ActiveCN103436047AExcellent fastness performanceMethine/polymethine-azo dyesMonocomponent polyesters artificial filamentPolymer sciencePolyethylene glycol
The invention discloses novel bisazo methenyl metal nickel complexing solvent dye containing a benzimidazolone ring, which is a compound with a general formula (I) as described in the specification. According to the complexing solvent dye, carboxyl is introduced into a bisazo methenyl metal nickel complex pigment molecule containing a benzimidazolone heterocyclic ring, so that the complexing solvent dye is dissolved in PET (polyethylene glycol terephthalate) and PA (polyamide) during PET and PA injection molding or spinning, the uniform and transparent color is formed, and the complexing solvent dye has a property of a solvent dye. In addition, the novel solvent dye keeps an excellent firm property of the original pigment.
Owner:宁波龙欣精细化工有限公司
Dark coloured azo dyes
The present invention relates toa) a non-oxidative coloring agent for keratin fibers, in particular human hair, comprising at least one dye according to formula (I) or (II),b) an oxidative coloring agent for keratin fibers, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide), at least one oxidative dye precursor and at least one dye according to formula (I) or (II), andc) a lightening agent for keratin fibers, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide) and at least one dye according to formula (I) or (II), with R4 being a cationic group.
Owner:WELLA OPERATIONS US LLC
Ink jet recording method and ink jet recording apparatus
An ink jet recording method including the steps of a first recording step for applying a first ink to a recording medium and a second recording step for applying a second ink to the recording medium so as to overlap at least a region provided with the first ink, wherein the first ink is an aqueous ink containing silver particles, the second ink is an aqueous ink containing a dye, a time difference between applications of the first ink and the second ink to the recording medium is 1 sec or more to 7,200 sec or less, and the dye is a predetermined dye.
Owner:CANON KK
Disperse dye with high washing fastness and preparation process thereof
PendingCN114231050AImprove washing resistanceThe preparation process steps are simpleMethine/polymethine-azo dyesDisperse dyeActive agent
The invention discloses a disperse dye with high washing fastness and a preparation process thereof. According to the key point of the technical scheme, the dye is prepared from the following components in parts by mass: 50 to 60 parts of C.I. Direct yellow 106 dye, 30 to 40 parts of plant extract, 50 to 60 parts of o-phenylphenol, 20 to 30 parts of methyl salicylate, 30 to 40 parts of hematoxylin, 4 to 8 parts of dibenzodioxazine, 3 to 8 parts of cyanuric chloride, 5 to 10 parts of anti-deposition agent, 4 to 8 parts of dispersant, 3 to 8 parts of surfactant, 5 to 6 parts of stabilizer and 7 to 10 parts of bacteriostatic agent. The disperse dye with high washing fastness is not easy to decolor and oxidize during use, and has excellent washing fastness; the preparation process of the disperse dye with high washing fastness is simple in steps, the vegetable red dye is adopted as one of main components, the yellow color is natural, the cost is low, and the disperse dye has a wide application prospect.
Owner:浙江开盛化工有限公司
Polarizing element or polarizing plate for display device with blue light emitting element
ActiveCN105143935BIncrease contrastImprove the display effectDisazo dyesElectroluminescent light sourcesTransmittancePolarizer
[Problem] The present invention relates to a polarizing element and a polarizing plate, which can improve contrast and enhance color display characteristics in an organic electroluminescent display device. [Solution] A substrate having a polarizing function and containing an azo compound is controlled such that the substrate alone has a transmittance of 45% to 60%, the average transmittance of 440-nm to 500-nm wavelengths for one substrate is 50% or more, and the average transmittance of 550-nm to 650-nm wavelengths as obtained by measuring two substrates arranged such that the absorption axis directions thereof are orthogonal to one another is 10% or less.
Owner:NIPPON KAYAKU CO LTD +1
Colored curable composition, color resist, ink-jet ink, color filter and method for producing the same, solid-state image pickup device, image display device, liquid crystal display, organic el display, and colorant compound and tautomer thereof
InactiveUS8741508B2Preparation by hydrocarbon radical introductionMonoazo dyesResistLiquid-crystal display
A colored curable composition including: at least one selected from the group consisting of a compound represented by the following Formula (1a) and a tautomer thereof; and at least one polymerizable compound,wherein R11, R12, R13, R14, R15, and R16 each independently represent a hydrogen atom or a monovalent substituent; and R11 and R12, and R15 and R16 independently may bond to each other in each pair to form a ring.
Owner:FUJIFILM CORP
Polarizing elements and polarizers
InactiveCN103620453BHigh luminous intensityImprove polarization performanceProjectorsPolarising elementsCrystallographyPolyvinyl alcohol
Owner:NIPPON KAYAKU CO LTD +1
Compound for anisotropic film
ActiveCN101688065AHigh dichroismIncreased durabilityStyryl dyesMethine/polymethine dyesHydrogen atomHydrogen
A compound for anisotropic films which in its free acid form is represented by the following formula (1). The compound for anisotropic films is useful as anisotropic films such as a polarizing film, has high dichroism in a short-wavelength region (380-500 nm), and has excellent durability. (L1 is a group represented by -(CH=CH)r- or -(C=C)s-, wherein r and s each is an integer of 1-5; Ar1 is an optionally substituted phenylene, optionally substituted naphthylene, or optionally substituted heterocyclic group; m is an integer of 0-3; p and k each is 0 or 1, provided that not both of p and k are 0; X1 is hydrogen or an organic group; and X2 is hydrogen, nitro, optionally substituted amino, or a group represented by the following formula (1-a), provided that when X2 is hydrogen, nitro, or optionally substituted amino, then m is not 0).
Owner:MITSUBISHI RAYON CO LTD
Ink jet recording method and ink jet recording apparatus
An ink jet recording method including the steps of a first recording step for applying a first ink to a recording medium and a second recording step for applying a second ink to the recording medium so as to overlap at least a region provided with the first ink, wherein the first ink is an aqueous ink containing silver particles, the second ink is an aqueous ink containing a dye, a time difference between applications of the first ink and the second ink to the recording medium is 1 sec or more to 7,200 sec or less, and the dye is a predetermined dye.
Owner:CANON KK
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com