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WO/2001/092420A2 |
The invention relates to a series of novel perylene-based fluorescent dyes in which aggregation is suppressed by steric shielding so that a quenching of fluorescence at high concentrations does not take place. The novel substances can th...
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WO/2001/068650A1 |
Perylene derivatives of general formula (I), wherein the variables have the following meanings: X and Y are independently oxygen, -NR?1¿ or -NR?2¿; R?1¿ and R?2¿ are independently hydrogen, C¿1?-C¿18?-alkyl, C¿5?-C¿7?-cycloalkyl,...
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WO/2001/069254A2 |
This invention relates to the detection of biomolecules. In particular, the invention relates to biomarkers for the labeling, visually detection and quantification of biomolecules. The invention provides visually detectable biomolecules ...
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WO/2001/018123A1 |
Anthrapyridonedisulfonic acid of formula (1) or salts thereof; aqueous magenta ink compositions containing the acid or the salts; and an ink-jet recording method by using the same. The above compounds are excellent in water solubility, a...
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WO/2001/016109A1 |
The invention relates to rylene dyes of the general formula (I), wherein the variables have the following meanings: R represents hydrogen; optionally substituted C¿1?-C¿30? alkyl-C¿5?-C¿8?-cycloalkyl, aryl or hetaryl; R'represents op...
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WO/2000/061689A1 |
Compositions comprising a) a mixture of i) C.I. Pigment Violet 19 together with either C.I. Pigment Blue 15 or C.I. Pigment Blue 60, or ii) C.I. Pigment Red 177 together with either C.I. Pigment Blue 15 or C.I. Pigment Blue 60, and b) a ...
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WO/2000/058424A1 |
A refrigerating machine oil composition which comprises (A) a hydrocarbon oil and (B) an alicyclic polycarboxylic acid ester compound having an alicyclic ring and at least two ester groups which are represented by the following general f...
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WO/2000/052099A1 |
Perylene-3,4-dicarboximides of Formula (I) wherein R¿1? may be C¿1?-C¿20?alkyl, C¿3?-C¿14?cycloalkyl, C¿1?-C¿20?alkoxy, phenyl, phenyloxy or phenylthio, where phenyl may in each case be mono- or polysubstituted by halogen, C¿1?-C...
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WO/2000/040657A1 |
Hydrazam imides of general formula (I), wherein R?1¿ and R?2¿ are each independently of the other (a) hydrogen or nitro, at least one of which radicals being nitro, or R?1¿ and R?2¿ together are (b) one of the radicals: (a), (b), (c)...
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WO/2000/031040A1 |
Process for preparing a bis (hydroxymethyl) perylenetetra carboximide compound by reacting perylene-3,4,9,10-tetracarboximide with formaldehyde. The bis (hydroxymethyl) perylenetetra carboximide can be isolated or further reacted in a on...
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WO/2000/023446A1 |
The invention relates to core-extended perylene bisimides of formula (I) and (II), wherein R?1¿ and R?2¿ independently represent unsubstituted or substituted C¿1?-C¿24?alkyl, C¿1?-C¿24?cycloalkyl or C¿6?-C¿10?aryl and A?1¿ and A...
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WO/2000/023440A1 |
Novel anthrapyridone compounds represented by formula (1) or salts thereof, which each has a hue and brightness suitable for ink-jet printing and gives a print excellent in fastness to light and water; a water-based magenta ink compositi...
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WO/2000/022048A1 |
A dye mixture comprises: a) at least one pyrroline type dye of formula (I), wherein R?1¿ is H, C¿1-20?alkyl or C¿2-20?alkenyl; and D is aryl; and b) at least one anthraquinone type dye of formula (II), wherein R¿B? is (CH¿2?) ¿n?OR...
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WO/2000/008004A1 |
A non-aqueous, particle-forming, fused pyrrolocarbazole-containing composition is disclosed. Upon contact with an aqueous medium, the particle-forming composition spontaneously disperses into suspended particles, thereby forming a stable...
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WO/1999/058610A1 |
The present invention relates to a polymeric composition suitable for use in films, fibers and molded articles, where a soluble, easily dispersed colorant is desirable. The polymeric composition provides a high color quality and is small...
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WO/1999/048981A1 |
Novel anthrapyridone compounds or salts thereof which have a magenta hue suitable for ink-jet recording and brightness and give recorded images having high fastness to light and water. The compounds are represented by the formula A-B [wh...
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WO/1999/046341A1 |
A water-based magenta ink composition which has satisfactory storage stability, has a hue and brightness suitable for ink-jet recording, and gives prints having high fastness to light and water; and a magenta dye suitable therefor. The w...
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WO/1999/031069A1 |
Perylene imide monocarboxylic acids of general formula (I) perylene-3,4-dicarboxylic acid imides, perylene imide carboxylic acid derivatives and a process for the preparation of these compounds as well as their use, inter alia, as colora...
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WO/1998/055552A1 |
A transfer film having a printing pattern on the upper surface thereof is floated in a liquid level inside a transfer tank, an objective article is immersed with this transfer film into a liquid inside the transfer tank and the printing ...
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WO/1998/049164A1 |
The invention relates to an optical storage medium comprising a substrate and a storage layer, wherein the storage layer comprises a compound of formula (I) or (II) in which A and A', independently of one another, are unsubstituted or mo...
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WO/1998/039333A1 |
Perylenes of formula (I) wherein R?1� is (a), (b), unsubstituted quinolyl, anthrolinyl or phenanthrolinyl or substituted quinolyl, anthrolinyl or phenanthrolinyl, wherein m is an integer from 0 to 4 and n is an integer from 1 to 9, and...
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WO/1998/032799A1 |
Perylene-3,4:9,10-tetracarboxylic acid imides of general formula (I), including their optical antipodes and their mixtures, in particular their racemates, wherein R?1� to R?14� are identical or different and are hydrogen or a radical...
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WO/1998/032802A1 |
Compounds of formula (I): A(B)�x? wherein x is an integer from 1 to 8; A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, indanthrone, isoindolinone, isoindoline, dioxazine, azo, pht...
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WO/1998/031678A1 |
Preparation of perylene-3,4-dicarboxylic anhydrides of formula (I) in which R?1�, R?2�, R?3�, R?4�, R?5�, R?6�, R?7�, R?8� are hydrogen, or one radical to eight radicals are a radical selected from the group consisting of...
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WO/1998/023690A1 |
The present invention recites a method comprising reacting in a solvent in the presence of a base a) at least one diacidic monomer comprising about 1 to 100 mole % of at least one light-absorbing monomer having a light absorption maximum...
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WO/1998/011167A1 |
The development of a coloring matter that has a moderately bluish magenta color and an excellent lightfastness and can provide a wide range of color tones in the visible range when used together with yellow and cyan inks. A water-base in...
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WO/1998/006786A1 |
Production of N,N'-di-C�1?-C�4?-alkyl perylene-3,4,9,10-tetracarboxylic acid diimides (I) by the reaction of perylene-3,4,9,10-tetracarboxylic acid diimide (II) with a C�1?-C�4?-alkyl halogenide, said reaction being effected in a...
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WO/1997/046533A1 |
The production of perylene-3,4-dicarboxylic acid imines of formula (I) (R1 is hydrogen, C1-C8 alkyl, C5-C8 cycloalkyl, possibly substituted phenyl or naphthyl; the radicals R2 are mutually independently hydrogen, C1-C18 alkyl, possibly s...
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WO/1997/026301A1 |
The disclosure relates to a N,N'-dimethylperylene-3,4,9,10-tetracarboxylic acid diimide pigment suitable for water-based paints and obtainable by: coating the diimide suspended in an aqueous medium with a resin containing carboxyl groups...
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WO/1997/025314A1 |
The novel dicationic dye N,N'-bis[3,3'-(dimethylamino)propylamine]-3,4,9,10-perylenet
etracarboxylic diimide (DAPER) is prepared by reacting 3,4,9,10-perylenetetracarboxylic dianhydride with N,N-dimethylaminopropylamine. The dye DAPER is...
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WO/1997/022607A1 |
Disclosed are 1,7-disubstituted perylene-3,4,9,10-tetracarboxylic acid dianhydrides (I) and perylene-3,4,9,10-tetracarboxylic acids (Ia) in which R represents optionally substituted aryloxy, arylthio, hetaryloxy or hetarylthio. Also disc...
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WO/1997/022608A1 |
Disclosed are 1,7-disubstituted perylene-3,4,9,10-tetracarboxylic acid dianhydrides (I) and perylene-3,4,9,10-tetracarboxylic acids (Ia) in which the variables have the following meanings: L1, L2 independently of one another represent 1,...
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WO/1997/011999A1 |
A fluorescent yellow article comprising polycarbonate polymer, perylene imide dye Chromophthal Red 6961 A and at least one yellow-green dye selected from the group consisting essentially of Lumogen F Yellow 083, CI Solvent Yellow 98, CI ...
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WO/1997/012000A1 |
A fluorescent yellow article comprising polyolefin copolymer, perylene imide dye N,N'-bis(2,6-di-isopropylphenyl)-3,4:9,10-perylenebis(dicarb
oximide), and at least one yellow-green dye selected from the group consisting essentially of L...
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WO/1996/022332A1 |
The invention concerns quaterrylene tetracarboxylic acid diimides of formula (I), in which the variables have the following meanings: R represents hydrogen; C1-C30-alkyl whose carbon chain can be interrupted by one or more of the groupin...
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WO/1996/022331A1 |
The invention concerns a process for producing and purifying perylene-3,4-dicarboxylic acid imides by reaction of a perylene-3,4,9,10-tetracarboxylic acid or corresponding anhydrides using a primary amine: reaction is carried out in the ...
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WO/1996/016015A1 |
The present invention provides anthraquinonyl and anthronyl dyes and dichroic light polarizers based on the dyes. The dichroic light polarizer includes two separate embodiments. In the first embodiment, the dye molecules are aggregated i...
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WO/1995/034273A1 |
The invention concerns direct-acting hair colouring agents which contain a cationic polymer, a given 'alpha'-hydroxy acid and an ether-carboxylic acid.
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WO/1994/028073A1 |
Polarizing coatings are formed from dyestuffs which provide a stable liquid crystalline phase in a wide range of concentrations, temperatures and pH-values. Particles formed by aggregates of the liquid crystal molecules are oriented in a...
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WO/1994/026711A1 |
Novel carbazole derivatives of formula (I) in which R1 is H, benzyl, alkyl; R2 and R3 are carbethoxy, acetyl, nitrile, (alpha), H, R2 and R3 however cannot together be H, or R2 and R3 form the following rings: (a), (b), (c), R4 is H, Cl,...
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WO/1994/015767A1 |
A method of disposing waste magnetic tapes, characterized in that the waste magnetic tapes such as video tapes and cassette tapes are cut or crushed into pieces each having a length of 1 - 50 mm and heated at 100 - 200 �C to be shrunk ...
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WO/1991/002034A1 |
Pigment preparations consisting essentially of (a) at least one pigment based on perylene-3,4,9,10-tetracarboxylic dianhydride or on corresponding monoimides or diimides of tetracarboxylic acid monoanhydride, or a halogenation product th...
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WO/1991/002032A1 |
New perylene compounds based on perylene-3,4,9,10-tetracarboxylic monoanhydride monoimides substituted on one or both imide nitrogen atoms by alkylene- or arylenesulphonic groups, or on corresponding tetracarboxylic diimides or on a halo...
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WO/1990/001526A1 |
The invention concerns a liquid crystal display device containing a liquid crystalline medium which comprises a host material and at least one fluorescent dye, characterized in that the host material is composed of at least two liquid cr...
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WO/1990/001480A1 |
Substances with at least two different coloured forms, one of which can be converted to the other by supplying energy, are used as storage media in optical memories.
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WO/1986/002170A1 |
Polarizing film with excellent humidity and heat resistances, which is substantially insoluble in water, organic solvents, and liquid crystals and which comprises a hydrophobic polymer containing in an oriented state a dichroic organic d...
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JP7474090B2 |
To provide a highly light-resistant color filter coloring resin composition and a dye.A coloring resin composition is provided, comprising a colorant containing a compound represented by a formula (I), where R1 and R2 independently repre...
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JP2023553232A |
Visible light absorbing compounds are described. The present compound has a visible light absorption maximum of 430 nm to 480 nm and a full width at half maximum (FWHM) of at least 35 nm and maximum of 150 nm at the visible light absorpt...
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JP7360798B2 |
The present invention relates to a coloring composition capable of obtaining a black resist pattern that is excellent in light-shielding properties and very excellent in voltage retention, and a coloring resist composition containing the...
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JP2023125666A |
To provide a color filter red coloring composition which offers superior dispersion stability and is capable of suppressing water-induced irregularity during manufacturing of a color filter.A color filter red coloring composition is prov...
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