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31results about "Indamines/indophenols" patented technology

Diimmonium compound and use thereof

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

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

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

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

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

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

Method for producing polyaniline compound

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

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

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

Curable composition, cured film, optical filter, laminate, solid image pickup element, image display device, and infrared sensor

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

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

Indaniline dye, thermal transfer recording ink sheet, thermal transfer recording method, color toner, inkjet ink, and color filter

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

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

Method for producing an optical filter

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

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

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

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

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

Near-infrared absorbing material

The invention provides a near-infrared absorbing material, including: at least one of at least one singlet oxygen scavengers, at least one radical scavenger, and at least one antioxidant; and at least one near-infrared absorbing compound obtained by oxidation of a compound represented by the following Formula (II).In the formula, R211, R212, R221, R222, R231, R232, R241 and R242 independently represent a hydrogen atom or an aliphatic or aromatic group; R203, R213, R223, R233 and R243 independently represent a substituent; and n203, n213, n223, n233 and n243 independently represent an integer of 0 to 4.
Owner:FUJIFILM CORP

Optical filter, camera module and electronic device including same

Optical filters, and camera modules and electronic devices including the same are disclosed. The filter includes a near infrared absorbing layer on a polymer film. The polymer film has an a* of about -5.0 to about +5.0 and a b* of about -5.0 to about +5.0 in color coordinates expressed by the CIE Lab color space. The near-infrared absorbing layer may be configured to transmit light in a visible region and selectively absorb at least a portion of light in a near-infrared region. The near-infrared absorbing layer includes a first near-infrared absorbing material including a copper phosphate compound and a second near-infrared absorbing material including at least two different organic dyes. The second near-infrared absorbing material has a maximum absorption wavelength (λ 最大 ).
Owner:SAMSUNG ELECTRONICS CO LTD

Indaniline dye, thermal transfer recording ink sheet, thermal transfer recording method, color toner, inkjet ink, and color filter

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

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
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