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39results about "Indamines/indophenols" patented technology
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Diimmonium compound and use thereof
InactiveUS20050148786A1High visible light transmittanceHigh light transmittanceOrganic chemistryPhotomechanical apparatusInfraredAmmonium compounds
To provide a near-IR absorption compound free from antimony or arsenic and excellent in stability, especially, in heat resistance, light fastness, and moisture-and-heat resistance and also an IR absorption filter, an optical information recording medium, and a resin composition excellent in durability by using the near-IR absorption compound. The near-IR absorption compound is a diimmonium compound having the following structure and the resin composition contains the diimmonium compound: (wherein R1 to R8 independently denote hydrogen atom or an optionally substituted aliphatic hydrocarbon group; R9 and R10 independently denote an aliphatic hydrocarbon group optionally containing a halogen atom; and rings A and B may further have substituent groups.).
Owner:NIPPON KAYAKU CO LTD
Paint and near infrared absorption filter
InactiveCN104379688AImprove light resistanceOther chemical processesRadiation-absorbing paintsDiacetone alcoholNear infrared absorption
This paint contains an infrared absorbing dye (A), a resin (B) and a solvent (C), with diacetone alcohol being an essential component of the solvent (C) component; this near infrared absorption filter is formed by using said paint. The infrared absorbing dye (A) is preferably a diimmonium compound, in particular a diimmonium compound represented by general formula (I). (In the formula, R11, R12, R13, R14, R15, R16, R17 and R18 represent a hydrogen atom or a C1-10 alkyl group optionally having a substituent, R19, R20, R21 and R22 represent a hydrogen atom, a halogen atom, a C1-10 alkyl group optionally having a substituent, or an amino group optionally having a substituent, wherein the methylene group in the alkyl group may be substituted by -O- or -CH=CH-, t represents a number 1-4, and Anq- represents an anion of valence q.)
Owner:ADEKA CORP
Near-infrared absorbing film and optical filter for plasma display panel using the same
InactiveUS20100208337A1Satisfactory absorbing performanceSatisfactory optical propertyMirrorsOptical filtersMeth-Optical property
A near-infrared absorbing film which is excellent in heat resistance and moist-heat resistance and retains optical properties including satisfactory near-infrared absorbing ability. The near-infrared absorbing film comprises a transparent base and a pressure-sensitive adhesive layer formed on one side of the base from a pressure-sensitive adhesive comprising a near-infrared absorbing dye and a copolymer of a constituent monomer which is a (C5-C10) cycloalkyl ester of (meth)acrylic acid. This near-infrared absorbing film may be laminated to other functional film(s) to give a laminate useful as an optical filter for PDPs.
Owner:NIPPON KAYAKU CO LTD
Near-infrared absorptive coloring matter and near-infrared absorptive composition
InactiveUS20120251831A1Improve stabilityHigh transparencyNon-macromolecular adhesive additivesGroup 3/13 element organic compoundsHeat resistancePhotochemistry
An object of the present invention is to provide a near infrared absorbent dye capable of providing a near infrared shielding filter with excellent transparency as well as high heat resistance and hygrothermal resistance.The near infrared absorbent dye is characterized in that it is made of the amorphous form of diimmonium salt represented by formula (1).
Owner:THE JAPAN CARLIT CO LTD
Near-infrared absorptive coloring matter and near-infrared absorptive composition
InactiveCN102656245AIncreased durabilityHigh transparencyNon-macromolecular adhesive additivesOther chemical processesInfraredHeat resistance
Provided is a near-infrared absorptive coloring matter that enables the production of a near-infrared blocking filter having excellent transparency, heat resistance and moist heat resistance. The near-infrared absorptive coloring matter is characterized by consisting of a noncrystalline body of a diimonium salt represented by general formula (1).
Owner:THE JAPAN CARLIT CO LTD
Wavelength-selective absorption filter
InactiveCN101076746ALittle change over timeAvoid misuseOther chemical processesSynthetic resin layered productsAbsorption filterPorphyrin
This invention provides a wavelength-selective absorption optical filter that exhibits high level and broad absorption in a near infrared region, further absorbs neon light, and exhibits high light transmittance in other visible light region. The wavelength-selective absorption optical filter is less likely to cause a change in optical properties with the elapse of time and is highly durable. The wavelength-selective absorption optical filter comprises a transparent base material and a wavelength-selective absorption layer having a single or multilayer structure stacked on the base material. The wavelength-selective absorption layer comprises a resin, an near infrared absorptive coloring matter (A) and a coloring matter (B), and the wavelength-selective absorption optical filter has maximum absorption at a wavelength of 800 to 1200 nm and a wavelength of 550 to 620 nm. The wavelength-selective absorption optical filter is characterized in that one type of the near infrared absorptive coloring matter (A) is an aromatic diimmonium coloring matter (a) of which the counter ion is bis(trifluoromethansulfonyl)imidic acid, and one type of the coloring matter (B) is a porphyrin coloring matter or azaporphyrin coloring matter (b).
Owner:TOYO TOYOBO CO LTD
Near-infrared-absorbing film and optical filter employing the same for plasma display panel
InactiveCN101688936AImprove heat resistanceImprove stabilitySynthetic resin layered productsElectrical equipmentMeth-Optical property
A near-infrared-absorbing film which is excellent in heat resistance and moist-heat resistance and retains optical properties including satisfactory near-infrared-absorbing ability. The near-infrared-absorbing film comprises a transparent base and a pressure-sensitive adhesive layer formed on one side of the base from a pressure-sensitive adhesive comprising a near-infrared-absorbing dye and a copolymer of a constituent monomer which is a C5-10 cycloalkyl ester of (meth)acrylic acid. This near-infrared-absorbing film may be laminated to other functional film(s) to give a laminate useful as anoptical filter for PDPs.
Owner:NIPPON KAYAKU CO LTD
Purified plyporus laccase and nucleic acid for coating the laccase
The present invention relates to isolated nucleic acid constructs containing a sequence encoding a Polyporus laccase, and the laccase proteins encoded thereby.
Owner:NOVO NORDISK AS
Method for producing polyaniline compound
InactiveCN101346344AHigh industrial applicabilityAmino preparation from aminesOrganic compound preparationCompound aPolyaniline
A method for producing a compound of formula (I), which comprises reducing a compound of formula (II) with a hydrazine compound: wherein R<103>, R<113>, R<123>, R<133>, R<143>, R<203>, R<213>, R<223>, R<233> and R<243> represent a substituent; the other Rs represent H, an aliphatic group or an aromatic group; and n103 to n243 are 0 to 4.
Owner:FUJIFILM CORP
Method for producing an optical filter
InactiveUS8337728B2Reduce resistanceIncrease volumeMethine/polymethine dyesOrganic chemistryClay mineralsPhysical chemistry
An optical filter containing at least a clay mineral complex (A). The clay mineral complex (A) comprises a layered clay mineral (B) intercalated with a dye cation (C), and an organic cation (D).
Owner:ADEKA CORP
Preparation method of indophenol derivative
InactiveCN103319910AReduce pollutionEasy to operateIndamines/indophenolsImino compound preparationPhenolMedicinal chemistry
The invention relates to a preparation method of an indophenol derivative, which is prepared by adding sodium carbonate and sodium persulfate into acetylamino-carrying phenol and N, N-dialkyl-carrying alkylaniline hydrochloride to make them undergo an oxidation reaction. The method can alleviate environmental pollution, increase reaction yield, and effectively overcome the defects in an indophenol derivative traditional preparation process.
Owner:上海永鸿实业集团化学科技有限公司
Natural blue pigment and biosynthesis method therefor
PCT designated stageWO2025236325A1Organic chemistryMicroorganism based processesEscherichia coliIndigoidine
The present application relates to the technical field of biocatalysis and biosynthesis, and specifically discloses a natural blue pigment and a biosynthesis method therefor. The present application uses metabolically engineered bacteria to express indigoidine synthetase and phosphopantetheinyl transferase, to catalyze glutamine and N-acetylglutamine to biosynthesize a natural blue pigment N-acetylindigoidine, and deduces its molecular structure by means of mass spectrometry, nuclear magnetic resonance and other methods. The present application achieves catalytic synthesis of N-acetylindigoidine from glutamine and N-acetylglutamine in Escherichia coli, Corynebacterium glutamicum, Saccharomyces cerevisiae and Streptomyces. Compared with indigoidine, N-acetylindigoidine has a maximum absorption wavelength of 584 nm, possesses better color brightness, and has more stable coloration that is not easily faded, with a very broad application range and industrial production application prospects.
Owner:VERTEXYN BIOWORKS CO LTD
Blue pigment and biosynthesis method thereof
The present application relates to the technical field of biocatalysis and biosynthesis, and specifically discloses a blue pigment and a biosynthesis method thereof. In the present application, an indigoidine synthetase and a 4′-phosphopantetheinyl transferase are expressed by a metabolically engineered strain to catalyze the biosynthesis of the blue pigment N-acetyl-indigoidine from glutamine and N-acetylglutamine, and a molecular structure of the blue pigment is inferred by mass spectrometry, nuclear magnetic resonance spectroscopy, etc. The present application achieves the catalytic synthesis of N-acetyl-indigoidine from glutamine and N-acetylglutamine in Escherichia coli (E. coli), Corynebacterium glutamicum (C. glutamicum), Saccharomyces cerevisiae (S. cerevisiae), and Streptomyces. Compared with indigoidine, N-acetyl-indigoidine has a maximum absorption wavelength of 584 nm, and a stable color having high brightness that is not easy to fade. Thus, the blue pigment shows an extensive application range and a promising industrial production prospect.
Owner:VERTEXYN BIOWORKS CO LTD
Curable composition, cured film, optical filter, laminate, solid image pickup element, image display device, and infrared sensor
ActiveUS20180355149A1Improve heat resistanceMethine/polymethine dyesOptical filtersNear infrared absorptionConjugate acid
A curable composition includes: a near infrared absorbing compound that includes a cation having an absorption in a near infrared range and an anion; a salt of an anion that is a component other than the near infrared absorbing compound and has a conjugate acid pKa of −8 or lower; and a curable compound.
Owner:FUJIFILM CORP
Optical filter, and camera module and electronic device comprising the same
ActiveCN109752783AReduce Optical DistortionMiniaturizationMethine/polymethine dyesCamera filtersOrganic dyeIr absorption
An optical filter, and a camera module and an electronic device comprising the same are disclosed. The optical filter comprises a near infrared absorption layer on a polymer film. The polymer film hasa* of about -5.0 to about +5.0 and b* of about -5.0 to about +5.0 in a color coordinate expressed by a CIE Lab color space. The near infrared absorption layer may be configured to transmit light in avisible region and to selectively absorb at least one part of light in a near infrared region. The near infrared absorption layer includes a first near infrared absorption material including a copperphosphate ester compound and a second near infrared absorption material including at least two different organic dyes. The second near infrared absorption material has a maximum absorption wavelength(lambda max) in a wavelength region of about 650 nm to about 1200 nm.
Owner:SAMSUNG ELECTRONICS CO LTD
Compound, liquid composition, thermal transfer recording sheet, toner, resist composition for color filter, and color filter
Owner:CANON KK
Infrared absorption filter
ActiveUS7772356B2Keep performance stableDeterioration lightPorphines/azaporphinesIndamines/indophenolsHigh concentrationAbsorption filter
Owner:OSAKA GAS CO LTD
Thermal transfer sheet
InactiveUS6066593APreservabilityReduce stepsDecorative surface effectsLayered productsPhosphoric Acid EstersEngineering
Owner:SONY CORP
Compound, liquid composition, thermal transfer recording sheet, toner, resist composition for color filter, and color filter
Owner:CANON KK
Diimonium compounds and their uses
To provide diimonium compounds with high heat resistance, and resin compositions containing the same.SOLUTION: The invention provides diimonium compounds represented by the general formula (1) in the figure, and resin compositions and near-infrared cut filters obtained using the diimonium compounds. (In the formula (1), at least one of R1 to R8 is a methyl group.)SELECTED DRAWING: None
Owner:株式会社カーリット
Indaniline dye, thermal transfer recording ink sheet, thermal transfer recording method, color toner, inkjet ink, and color filter
ActiveUS8052785B2Inhibited DiffusionAvoid stickingOrganic chemistryDecorative surface effectsPhotochemistryIndaniline
An indaniline dye represented by the following formula (1):wherein R1 and R2 represent an unsubstituted linear or branched alkyl group having from 2 to 5 carbon atoms; R3 represents an unsubstituted linear or branched alkyl group having from 1 to 3 carbon atoms; provided that the total number of the carbon atoms of R1, R2 and R3 is 6 or 7.
Owner:FUJIFILM CORP
Curable composition, cured film, optical filter, laminate, solid image pickup element, image display device, and infrared sensor
ActiveUS11236215B2Improve heat resistanceMethine/polymethine dyesOptical filtersInfraredNear infrared absorption
A curable composition includes: a near infrared absorbing compound that includes a cation having an absorption in a near infrared range and an anion; a salt of an anion that is a component other than the near infrared absorbing compound and has a conjugate acid pKa of −8 or lower; and a curable compound.
Owner:FUJIFILM CORP
Dye composition, film, optical filter, and near-infrared absorbing compound
The present invention relates to a near-infrared absorbing compound represented by general formula (1) and a dye composition containing the near-infrared absorbing compound. In general formula (1), each of R1-R8 independently represents a group selected from the group consisting of a phenyl group having a substituent having a sigma p value of-0.5 or more in accordance with the Hamilt equation, an optionally substituted aryl group having 7-20 carbon atoms, and an optionally substituted heteroaryl group, and two or more of R1-R8 may be linked to each other to form a ring. R9-R13 represent a monovalent substituent, and each of the five n independently represents an integer of 0-4. M is 1 or 2, and X represents a non-nucleophilic anion.
Owner:FUJIFILM CORP
Optical Filters
The present invention relates to an optical filter comprising a substrate and a dielectric multilayer film that is laminated, as an outermost layer, on at least one principal surface side of the substrate, the substrate having a resin film including: a pigment (U) that has a maximum absorption wavelength of 380-425 nm in dichloromethane; a pigment (A) that has a maximum absorption wavelength of 690-730 nm in dichloromethane; and a resin, wherein the optical filter satisfies all of specific spectral characteristics (i-1)-(i-8).
Owner:AGC INC
Method for producing an optical filter
InactiveUS20120193588A1Reduce resistanceIncrease volumeMethine/polymethine dyesOrganic chemistryClay mineralsPhysical chemistry
An optical filter containing at least a clay mineral complex (A). The clay mineral complex (A) comprises a layered clay mineral (B) intercalated with a dye cation (C), and an organic cation (D).
Owner:ADEKA CORP
Optical information recording medium and novel immonium compound
InactiveUS7348125B2Excellent recording characteristicImprove light resistanceOrganic chemistryRadiation applicationsAmmonium compoundsPhysical chemistry
Disclosed is an optical information recording medium comprising a substrate having provided thereon a recording layer capable of recording information by laser beam irradiation, wherein the recording layer contains at least one compound represented by the following general formula (I):The symbols in the formula (I) are defined in the specification. Also disclosed is a method for recording optical information using the optical information recording medium.
Owner:FUJIFILM CORP +1
Method of producing near-infrared absorbing dye compound
ActiveUS20080221355A1Isocyanic acid derivatives preparationOrganic compound preparationCompound aHydrogen atom
A method of producing a near-infrared absorbing dye compound, useful for image forming materials, infrared heat-sensitive recording devices, optical film materials, and the like, containing a process of reacting a compound represented by formula (I) with peroxomonosulfuric acid or its salt.wherein R111, R112, R121, R122, R131, R132, R141 and R142 each independently represent a hydrogen atom, an aliphatic group or an aromatic group; R103, R113, R123, R133 and R143 each independently represent a substituent; and n103, n113, n123, n133 and n143 each independently denote an integer from 0 to 4.
Owner:FUJIFILM CORP
Coatings and near-infrared absorption filters
InactiveCN104379688BImprove light resistanceOther chemical processesRadiation-absorbing paintsDiacetone alcoholAmmonium compounds
The present invention provides a paint containing an infrared absorbing pigment (A), a resin (B) and a solvent (C) and diacetone alcohol as an essential component of the solvent (C), and a near infrared absorbing filter formed using the paint. The infrared absorbing dye (A) is preferably a diimonium compound, especially a diimonium compound represented by the following general formula (I). In the formula, R11, R12, R13, R14, R15, R16, R17, and R18 represent a hydrogen atom or a C1-10 alkyl group that may have a substituent, and R19, R20, R21, and R22 represent a hydrogen atom, a halogen atom, and may have A C1-10 alkyl group of the substituent or an amino group that may have a substituent, the methylene group in the above-mentioned alkyl group may be substituted by -O- or -CH=CH-, t represents the number of 1 to 4, and Anq- represents q Valence anions.
Owner:ADEKA CORP
Wavelength-selective absorption filter
InactiveCN100495082CLittle change over timeAvoid misuseOther chemical processesSynthetic resin layered productsAbsorption filterPorphyrin
Owner:TOYOBO CO LTD
Dye and recording media utilizing the same
The invention provides dyes for optical disc recoding media, having the general formula:wherein m, n is independently selected from integers 0-3; X represents oxygen, sulfur, C—R1, or N—R2R3; Y is oxygen or sulfur; each of R1, R2, and R3 can be the same or different; and Z⊕ is a cation. The dyes have a maximum absorption in wavelength of 300-500 nm and can be used in recording layers of high density optical disc recording media.
Owner:IND TECH RES INST