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48results about "Benzoxanthene dyes" patented technology
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Chemically cleavable 3'-o-allyl-DNTP-allyl-fluorophore fluorescent nucleotide analogues and related methods
This invention provides a nucleotide analogue comprising (i) a base selected from the group consisting of adenine, guanine, cytosine, thymine and uracil, (ii) a deoxyribose, (iii) an allyl moiety bound to the 3′-oxygen of the deoxyribose and (iv) a fluorophore bound to the base via an allyl linker, and methods of nucleic acid sequencing employing the nucleotide analogue.
Owner:THE TRUSTEES OF COLUMBIA UNIV IN THE CITY OF NEW YORK
Radiation curable ink containing fluorescent nanoparticles
ActiveUS8222313B2Suitable thermal degradation propertySolesBenzoxanthene dyesEmulsion polymerizationParticle growth
Radiation curable compositions, such as UV curable ink compositions, contain a polymeric dispersant, a curable material, that includes a carrier and at least one nanoscale fluorescent pigment particle and an optional non-fluorescent colorant. The fluorescent organic nanoparticle composition includes one or more fluorescent dyes dispersed in a polymeric matrix obtained by modified EA latex process or by emulsion polymerization. In a different embodiment, the nanoscale fluorescent pigment particle composition includes pigment molecules with at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, the functional moiety of the pigment associates non-covalently with the functional group of the stabilizer, and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.
Owner:XEROX CORP
Chemically cleavable 3'-o-allyl-dntp-allyl-fluorophore fluorescent nucleotide analogues and related methods
Owner:THE TRUSTEES OF COLUMBIA UNIV IN THE CITY OF NEW YORK
Fluorescent Dye-Siloxane Hybrid Resin
ActiveUS20120153229A1Excellent characteristicsImprove photostabilityMaterial nanotechnologyStyryl dyesFluorescenceThermal stability
The present invention provides a fluorescent dye-silane hybrid resin manufactured by polycondensing an alkoxysilane bonded with a fluorescent dye with an organo-silane. More particularly, the present invention provides a fluorescent dye-siloxane hybrid resin that is manufactured by reacting a fluorescent dye having one or more functional groups with an alkoxysilane having an organic functional group to form an alkoxysilane bonded with the fluorescent dye and then polycondensing the alkoxysilane bonded with a fluorescent dye with an organo-silanediol and an organo-alkoxysilane having a thermocurable or ultraviolet-curable functional group without water. The fluorescent dye-silane hybrid resin has excellent thermostability, photostability, fluorescence characteristics, and processibility.
Owner:KOREA ADVANCED INST OF SCI & TECH
Xanthene-based purple dye compound, coloring resin composition for color filter containing same and color filter using same
InactiveUS20150322265A1Good solvent resistanceGood compatibilityOrganic chemistryBenzoxanthene dyesOrganic solventHeat resistance
Owner:KISHIMOTO SANGYO CO LTD
Radiation curable ink containing fluorescent nanoparticles
Owner:XEROX CORP
Compounds and methods for fluorescent labeling
InactiveUS20050176066A1Extended shelf lifeBenzoxanthene dyesMicrobiological testing/measurementFluorescenceCompound (substance)
Owner:ELITECHGRP
Yellow fluorochrome and synthetic method and use thereof
InactiveCN101451018ANarrow emission spectrumReduce overlapBenzoxanthene dyesBiological testingQuantum yieldHydrogen
The invention discloses a yellow fluorescent dye, a method for synthesizing the same and application. The fluorescent dye has a structure shown as the general formula (I), wherein R1 and R2 are selected from chlorine, fluorine, bromine or hydrogen; and n is a positive integer between 3 and 7. The fluorescence emission spectrum of the yellow fluorescent dye is positioned in a yellow light region of visible spectrum; and the yellow fluorescent dye has high fluorescence quantum yield and good fluorescence labeling capacity, and can be used for protein labeling.
Owner:NORTHWEST UNIV
Colored curable resin composition
ActiveCN107111230AImprove heat resistanceImprove lightnessMethine/polymethine dyesBenzoxanthene dyesHydrogen atomCyanine
Provided is a color filter having excellent thermal resistance and color values. The colored curable resin composition contains a colorant (A), a resin (B), a polymerizable compound (C) and a polymerization initiator (D), the colorant (A) containing at least one selected from the group consisting of compounds represented by formula (a), xanthene dye, and salts of xanthene dye and cyanine dye [in the formula, k1, k2, k3 and k4 each independently represents an integer in the range 0-4, and 1<=k1+k2+k3+k4<=16. Xa-, Xb-, Xc- and Xd- each independently represents -CO3- or -SO3-. Aa<+>, Ab<+>, Ac<+> and Ad<+> each independently represents a sodium ion, a potassium ion, or a cation represented by formula (b). In formula (b), R100, R101, R102, and R103 each independently represents a hydrogen atom or a C1-30 hydrocarbon group.].
Owner:DONGWOO FINE CHEM CO LTD
Articles containing thioxanthone dyes
Described are articles, laminates, sheets, coatings, retroreflective articles, pigments containing thioxanthone compounds that are fluorescent colorants.
Owner:3M INNOVATIVE PROPERTIES CO
Thermoplastic fluorescent pigment
The invention relates to a thermoplastic fluorescent pigment obtained by the condensation of a diisocyanate prepolymer and an aliphatic diamine, a cycloaliphatic diamine or a mixture of a diamine and a polyol in the presence of a fluorescent dye, wherein the prepolymer is obtained by the reaction of an aromatic sulfonamide with an excess of aliphatic, cycloaliphatic and / or or aromatic diisocyanate, and wherein the molar excess of diisocyanate in the prepolymer equals the molar amount of the aliphatic diamine, the cycloaliphatic diamine or the mixture of a diamine and polyol present in the condensation suspension.
Owner:CLARIANT FIANCE (BVI) LTD
Functional fluorescent dyes
Fluorescent functional dyes represented by the following formulas: wherein R1 is hydrogen or methyl; R2, R3, R4, R5, and R6 are each independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, aralkyl, alkaryl, halo, and trifluoromethyl; and L is a straight chain or branched chain alkylene containing 3 to about 15 carbon atoms, the alkylene group optionally containing one or more catenary heteroatoms.
Owner:3M INNOVATIVE PROPERTIES CO
Novel near-infrared high-quantum-yield dye as well as preparation and application thereof
ActiveCN107141840AReduce the incubation concentrationPrecise positioningOrganic chemistryBenzoxanthene dyesQuantum yieldHalogen
The invention discloses a novel near-infrared high-quantum-yield dye which has the following structural formula I shown as the original specification, wherein R1, R2, R6 and R7 are hydrogen, a low-level alkyl, an ether group and a substituted alkyl or acyl that are independent respectively; R3, R4, R5, R8, R9 and R10 are hydrogen, a low-level alkyl or halogen that are independent respectively; R11 is hydrogen, methyl, a cyano group or trifluoromethyl; X<theta> is a negative ion. The invention discloses a preparation method of the dye. The dye has good biocompatibility, low toxicity, longer fluorescence-emission and high fluorescence quantum yield, the autofluorescence of a background is avoided, a fluorescence image with high signal-to-noise ratio can be obtained, and the dye is used for fluorescence labeling for nucleolar RNA in a biological system and plays an important pole in a study process of physiology related to the nucleolar RNA.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Polycyclic aromatic hydrocarbon compounds containing an S atom or S(═O)2 group in their basic structure
Polycyclic aromatic hydrocarbon compounds having an S atom or S(═O)2 moiety incorporated in their basic polycyclic structure that can have a nitrogen-containing heterocycloaliphatic group and / or a substituted or unsubstituted phenoxy group and / or a polymeric moiety bonded to the polycyclic structure and to compositions such as, e.g., printing inks which comprise these polycyclic aromatic hydrocarbons as colorants.
Owner:SICPA HLDG SA
Fluorescent compositions
An article that includes a fluorescent composition having at least one of a fluorescent sensor compound and organic reporter molecules encapsulated in a microsphere structure. When encapsulated, the fluorescent sensor compound and the organic reporter molecules are distributed in a liquid organic matrix. When non-encapsulated, the remaining one of the fluorescent sensor compound and the organic reporter molecules reside in the matrix. In response to a force applied to the composition sufficient to break at least a portion of the microsphere structure, the fluorescent sensor compound and the organic reporter molecules are transformed into a non-reversible fluorescent state exhibiting a quantum yield greater than 0.2. The fluorescent state is objectively visually verifiable without physically contacting the composition.
Owner:NAT TECH & ENG SOLUTIONS OF SANDIA LLC
Non-aqueous dispersant, color material dispersion liquid for color filter, color filter, liquid crystal display device and organic light-emitting display device
ActiveUS20160376443A1Good dispersionGood alkali resistanceBenzoxanthene dyesTransportation and packagingColor gelPolymer chemistry
Disclosed is a non-aqueous dispersant which is a graft copolymer comprising a constitutional unit represented by the following general formula (II) and at least one kind selected from the group consisting of a constitutional unit represented by the following general formula (I) and a constitutional unit represented by the following general formula (I′), or which is a block copolymer comprising a block portion containing a constitutional unit represented by the following general formula (III) and a block portion containing at least one kind selected from the group consisting of a constitutional unit represented by the following general formula (I) and a constitutional unit represented by the following general formula (I′):
Owner:DAI NIPPON PRINTING CO LTD
New class of green/yellow emitting phosphors based on benzoxanthene derivatives for LED lighting
InactiveUS20160017219A1Superior emission lifetimeExtended service lifeOrganic chemistryDischarge tube luminescnet screensLuminescent materialMaterials science
The invention provides a lighting device (1) comprising (a) a light source (10) configured to generate light source light (11), and (b) a light converter (100) configured to convert at least part of the light source light (11) into visible converter light (111), wherein the light converter (100) comprises a matrix (120) containing an organic luminescent material (140) of the benzoxanthene derivative type. The lighting device may further comprise a further luminescent material (130).
Owner:SIGNIFY HLDG BV
Quencher
ActiveUS20170342031A1Sufficient quenching effectSuppresses fluorescenceOrganic chemistryBenzoxanthene dyesArylChemical compound
A quencher is disclosed having a compound represented by the following general formula (1):wherein R5 each independently represent a halogen atom, an alkyl group, an alkoxy group, an alkylthio group, an amino group having a substituent or not having a substituent, a hydroxy group, an aryl group, an aryloxy group, or an arylalkyl group; R6 represents a group having a polymerizable unsaturated group, a hydroxy group, or the like; Y1 represents an oxygen atom, or the like; An− represents an anion; Ar1 represents a specific ring structure; * and ** represent binding positions; Ar2 represents a benzene ring, a naphthalene ring, or an anthracene ring; n1 represents a specific integer;and the following structure (1-10) in the general formula (1) is an asymmetric structure;(wherein R5, Y1, Ar1, Ar2, n1, * and ** are the same as described above.).
Owner:FUJIFILM WAKO PURE CHEM CORP
Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers
InactiveUS20060292347A1Eliminates solvent emissions into the atmosphereReduce manufacturing costBenzoxanthene dyesOptical articlesFluorescenceHindered amine light stabilizers
A durable colored article having fluorescent properties comprises a substantially solventless polyvinyl chloride matrix, a thioxanthene fluorescent dye, and a secondary or tertiary hindered amine light stabilizer having a molecular weight less than about 1000 grams / mole. The invention has the advantage in that it provides a flexible polyvinyl chloride film that exhibits durable fluorescent colors.
Owner:3M INNOVATIVE PROPERTIES CO
Compounds and methods for fluorescent labeling
InactiveUS20050171340A1Extended shelf lifeBenzoxanthene dyesSugar derivativesFluorescenceCompound (substance)
Owner:ELITECHGROUP MDX LLC
Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers
InactiveUS20050213213A1Eliminates solvent emissions into the atmosphereReduce manufacturing costSignboardsBenzoxanthene dyesFluorescenceHindered amine light stabilizers
A durable colored article having fluorescent properties comprises a substantially solventless polyvinyl chloride matrix, a thioxanthene fluorescent dye, and a secondary or tertiary hindered amine light stabilizer having a molecular weight less than about 1000 grams / mole. The invention has the advantage in that it provides a flexible polyvinyl chloride film that exhibits durable fluorescent colors.
Owner:3M INNOVATIVE PROPERTIES CO
Colored curable resin composition
ActiveCN106019836AImprove lightnessIncrease brightnessBenzoxanthene dyesOptical filtersPolymer scienceChloroform
The chromaticity of a colored curable resin composition for manufacturing a colored filter, or like is further improved. The colored curable resin composition contains a colorant (A), a resin (B), a polymerizable compound (C), and a polymerization initiator (D). The colorant (A) comprises a compound (A1) represented by the formula (I) shown in the description and a colorant (A2) having an absorption wavelength no less than 500nm and no more than 700 nm in chloroform.
Owner:DONGWOO FINE CHEM CO LTD
Perylene bisimides with rigid 2,2'-biphenoxy bridges
ActiveUS20190023905A1Improved property profileGood indexPerinonesBenzoxanthene dyesConvertersPerylenebisimide
The present invention relates to perylene bisimides with rigid 2,2′-biphenoxy bridges which are useful in a wide variety of applications and to novel to perylene bisimides with rigid 2,2′-biphenoxy bridges. The present invention also relates to the use of said compound(s) in color converters for improving the luminous efficacy of LEDs, to color converters and their use and to lighting devices comprising at least one LED or OLED and at least one color converter. The present invention also relates to a printing ink formulation for security printing comprising at least one perylene bisimide with rigid 2,2′-biphenoxy bridges and security documents.
Owner:BASF AG
Compound and process for poducing dye
The invention provides a compound for producing dye represented by a formula (I). [In formula (I), R1 represents an aliphatic hydrocarbon group having 1-8 carbon atoms or a cycloparaffin group with 5-8 carbon atoms, wherein the carbon atoms of the aliphatic hydrocarbon group can be substituted by an aromatic hydrocarbon group (the hydrogen atoms of the aromatic hydrocarbon group can also be substituted by alkyls with 1-3 carbon atoms or alkoxy with 1-3 carbon atoms); and Ar represents a group represented by a formula (i) (In formula (i), R2 represents an alkyl group with 1-3 carbon atoms, hydrogen atoms contained in the alkyl may be substituted by halogen atoms, m represents an integer from 1 to 5, when m represents 2 or more, a plurality of R2 may be same or different, and * indicates the bonding position with a nitrogen atom)].
Owner:SUMITOMO CHEM CO LTD
Colored photosensitive resin composition, color filter and image display device manufactured by same
ActiveCN108303850ABrightness does not decreaseImprove reliabilityBenzoxanthene dyesOptical filtersPhotochemistryColoring agents
The invention relates to a colored photosensitive resin composition, characterized by containing a colorant of a xanthenes dye represented by a formula 1 and a compound represented by a formula 2.
Owner:DONGWOO FINE CHEM CO LTD
Compound used in color composition
The invention provides a compound represented by formula(I). In the formula(I), R1 and R2 represent hydrogen atoms or alkyl groups respectively and independently, R3 represents -SO3, -SO3-M+, -CO2H or -CO2-M+. M+ represents (R11)4N+,Na+ or K+, R11 represents hydrogen atom, alkyl group or aralkyl, R4 represents alkyl group, alkoxy, hydroxy, cyanogroup or nitro, m represent an integer between 0 and 2, n represent an integer between 0 and 3, and p represent an integer between 0 and 3.
Owner:SUMITOMO CHEM CO LTD
Fluorescent dye containing azetidine spiro structure, and preparation method and application thereof
The invention belongs to the technical field of fluorescence analysis, relates to a fluorescent dye containing a quaternary spiro structure, and a preparation method and application thereof, and concretely relates to a fluorescent dye containing an azetidine spiro structure, and a preparation method and application thereof. The fluorescent dye containing the azetidine spiro structure has a skeleton structure as shown in (I) or (II), and the fluorescent dye containing the azetidine spiro structure has excellent optical properties, good light stability and good biocompatibility. The invention further provides a novel azetidine spiro-structure-containing fluorescent dye with additional chemical connection sites, a preparation method thereof, and application of the novel azetidine spiro-structure-containing fluorescent dye in biological fluorescence analysis. The fluorescent molecule shows good water solubility, light stability and high fluorescence quantum yield, and can be used for fluorescence labeling, biological imaging and development of new fluorescent probes.
Owner:FUDAN UNIV
A near-infrared high quantum yield dye and its preparation and application
ActiveCN107141840BReduce the incubation concentrationPrecise positioningOrganic chemistryBenzoxanthene dyesQuantum yieldBiocompatibility Testing
The invention discloses a novel near-infrared high-quantum-yield dye which has the following structural formula I shown as the original specification, wherein R1, R2, R6 and R7 are hydrogen, a low-level alkyl, an ether group and a substituted alkyl or acyl that are independent respectively; R3, R4, R5, R8, R9 and R10 are hydrogen, a low-level alkyl or halogen that are independent respectively; R11 is hydrogen, methyl, a cyano group or trifluoromethyl; X<theta> is a negative ion. The invention discloses a preparation method of the dye. The dye has good biocompatibility, low toxicity, longer fluorescence-emission and high fluorescence quantum yield, the autofluorescence of a background is avoided, a fluorescence image with high signal-to-noise ratio can be obtained, and the dye is used for fluorescence labeling for nucleolar RNA in a biological system and plays an important pole in a study process of physiology related to the nucleolar RNA.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Quencher
ActiveUS10377713B2Suppresses fluorescenceIncrease contrastOrganic chemistryBenzoxanthene dyesArylChemical compound
A quencher is disclosed having a compound represented by the following general formula (1):wherein R5 each independently represent a halogen atom, an alkyl group, an alkoxy group, an alkylthio group, an amino group having a substituent or not having a substituent, a hydroxy group, an aryl group, an aryloxy group, or an arylalkyl group; R6 represents a group having a polymerizable unsaturated group, a hydroxy group, or the like; Y1 represents an oxygen atom, or the like; An− represents an anion; Ar1 represents a specific ring structure; * and ** represent binding positions; Ar2 represents a benzene ring, a naphthalene ring, or an anthracene ring; n1 represents a specific integer;and the following structure (1-10) in the general formula (1) is an asymmetric structure;(wherein R5, Y1, Ar1, Ar2, n1, * and ** are the same as described above.).
Owner:FUJIFILM WAKO PURE CHEM CORP
Compound, colorant composition comprising the same and resin composition comprising the same
ActiveCN107759557AImprove solubilityImprove heat resistanceOrganic chemistryBenzoxanthene dyesHeat resistancePolymer chemistry
The invention relates to a compound, a colorant composition comprising the same and a resin composition comprising the same. Compared with current pigments, the colorant composition herein can exhibithigh light, can improve heat resistance and chemical resistance. Further, the colorant resin composition can use the compound to manufacture a color filter that has excellent heat resistance and chemical resistance.
Owner:LG CHEM LTD
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