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WO/1996/034916A2 |
Compounds and ink compositions. An ink composition comprising a compound of formula (1) and salts thereof, wherein Ch represents an arrangement of atoms which causes the compound to absorb electromagnetic radiation; Ra and Rb each indepe...
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WO/1996/011986A1 |
A chromogenic recording material not only being excellent in non-image area whiteness under light and colored image lightfastness but also retaining a satisfactory capability of color forming even after exposure to light and comprising a...
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WO/1996/009173A1 |
Bis-substituted methanes and undissociated methylene salts of the formula (Am)2Z wherein Am is bis-(1,4 dimethylaminophenyl) and Z is CH2 or CH+X- wherein X- is a suitable anion, all useful in the production of deeply colored cations of ...
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WO/1996/006528A1 |
Ionene polymers having biologically-active organic and/or inorganic anions are described. Methods to prepare the ionene polymers, compositions containing them and their methods of use are also described.
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WO/1996/006139A1 |
Triarylmethanes of formula (I), in which: m is 1-100; L1 and L2 represent C2-C4 alkylene; R3 represents hydrogen or optionally substituted C1-C4 alkyl; R4, R5, R6 and R7 represent hydrogen, optionally substituted C1-C4 alkyl or optionall...
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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/1995/026501A1 |
A composition comprising (a) a transparent support, (b) which is coated on at least one side with a transparent coating which comprises (b1) a plasticizer-free, hydrophobic polymer having a glass transition temperature Tg of from -150 to...
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WO/1995/015144A1 |
Keratin-containing fibres, in particular human hair, are dyed using dyes using dyes of formulae (1) to (9) indicated in claim 1.
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WO/1995/000606A1 |
The invention concerns the use, for making hydrocarbons, of aminotriarylmethanes of formula (I) in which the ring A may be benzoanellated; R1 and R2 are optionally substituted C1-C13 alkyl or optionally substituted phenyl or R1 and R2 to...
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WO/1994/021636A1 |
Pterin derivatives having general formula (I) wherein R1 represents a group -(CHOH)2-CH3 or -(CHOH)2-CH2OH, R2 and R3 are not the same and represent either hydrogen or the group -(CH2)3CONH(CH2)4-NH-R4, wherein R4 represents hydrogen or ...
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WO/1994/005688A1 |
Long wavelength, narrow emission bandwidth fluorescein dyes are provided for detecting spacially overlapping target substances. The dyes comprise 4,7-dichlorofluoresceins, and particularly 2',4',5',7'-tetrachloro-4,7-dichloro-5- (and 6-)...
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WO/1994/002022A1 |
A surface germicidal composition comprises a dyestuff which is capable of photo-dynamic inactivation of micro-organisms. The dyestuff preferably generates singlet oxygen on exposure to light and is substantive to microorganisms, convenie...
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WO/1994/001804A1 |
A filter is formed on a solid state imager by: forming, on the imaging surface of the imager, an adherent layer of a dye-containing photoresist composition comprising a photoresist resin and a thermochromic dye, this dye being substantia...
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WO/1993/023006A1 |
Oxidation hair dye in cream form consisting of a carrier and a dye mixture dissolved therein, containing: (A) 10 to 30 wt. % of at least one fatty alcohol with 10 to 24 carbon atoms; (B) 0.2 to 6.0 wt. % of at least one diester of formul...
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WO/1993/020060A1 |
5(6)-methyl substituted fluorescein derivatives and a process for producing 5(6)-methyl substituted derivatives. Also provided are methods for these utilizing these derivatives as indicator reagents in assays for analytes, indicator reag...
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WO/1993/015596A2 |
Nonlinear-optic (NLO) compositions containing functionalized merocyanine dyes, such that the molecules, comprising the NLO-active compositions have a functional group at each end of the molecule and each functional group differing in rea...
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WO/1993/010189A1 |
Pentacyclic derivatives have general formulae (Ia), (Ib) and (Ic), in which R?1¿ and R?13¿ are the same or different and stand for: hydrogen, alkyl with 1 to 20 carbon atoms, polyoxyhydrocarbyl, phenyl, phenylalkyl with 1 to 3 carbon a...
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WO/1993/009092A1 |
Bis(perfluorosulphonyl)methanes, process for preparing same and uses thereof. The compounds of the invention are based on the formula (1/nM)+[(RFSO2)2CY]- in which Y denotes an electron-attracting group chosen from -C=N and RZ groupings ...
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WO/1993/004403A1 |
A novel class of bridged indicator dyes is disclosed which possess absorption in the infrared region of the electromagnetic spectrum. These bridged indicator dyes are useful as light-absorbing, pH-sensitive optical filter agents in diffu...
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WO/1992/008720A1 |
Compounds of formulae (I), (II) wherein X is an optionally substituted benzyl group which carries an NO2 group in the ortho-position, Z is a group of formula alpha or beta, R, R' and Y are each optionally substituted groups, R'' is hydro...
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WO/1992/008689A1 |
The present invention provides novel dyes for staining proteins, particularly those in electrophoretic gels, and detecting the proteins with high sensitivity. The dyes of the invention are derivatives of known dyes that are more hydropho...
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WO/1992/001699A1 |
Platinum complexes are disclosed which contain at least one leaving group and at least one detectable group. These complexes can be used for diagnostic purpose and for the labelling of nucleic acids. Specific example is Pt(ethylenediamin...
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WO/1991/007507A1 |
Long wavelength, narrow emission bandwidth fluorescein dyes are provided for detecting spacially overlapping target substances. The dyes comprise 4,7-dichlorofluoresceins, and particularly 1',2',7',8'-dibenzo-4,7-dichlorofluoresceins. Me...
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WO/1991/005060A2 |
A spectrally resolvable set of rhodamine dyes are provided for use in the chain termination method of nucleic acid sequencing. A different rhodamine dye from the group consisting of tetramethylrhodamine, rhodamine X, rhodamine 6G, and rh...
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WO/1991/003476A1 |
Isomerically pure 5- and 6-succinimidylcarboxylates of rhodamine dyes are provided. A key feature in the preparation of the succinimidylcarboxylates is the use of stoichiometric amounts of di-N-succinimidylcarbonate and 4-dimethylaminopy...
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WO/1990/014591A1 |
For simultaneous control of cleaning and hygiene, in particular in the food industry and hospitals, an aqueous solution of an optionally fluorescent dye or a combination of such dyes which bind on organic material, including microorganis...
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WO/1990/013296A1 |
A method for using thiazine and xanthene dyes to selectively inactivate or inhibit intracellular replication of specific viruses, especially human immunodeficiency virus. Examples of useful xanthine dyes are rose bengal and eosin Y. A pr...
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WO/1990/000978A1 |
A thermal imaging method for forming color images is provided which employs as the color image-forming material, a colorless precursor of a preformed image dye possessing at least one thermal protecting group that undergoes fragmentation...
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WO/1987/003474A1 |
Process for simultaneous dyeing and permanent forming of white and grey hair in which the hair is first treated with a forming agent, then rinsed with water after which it is treated with a fixing agent. The process is characterized by t...
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WO/1987/003541A2 |
Novel color-forming di- and triarylmethane compounds possessing certain S-containing ring-closing moieties, namely, a thiolactone, dithiolactone or thioether ring-closing moiety, to certain metal salts thereof and to a method of synthesi...
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WO/1986/007313A1 |
A thermal imaging method which employs as color-forming co-reactants, (a) a substantially colorless di- or triarylmethane compound possessing on the meso carbon atom within its triarylmethane structure an aryl group substituted in the or...
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WO/1986/007312A1 |
A thermal imaging method which comprises heating imagewise a di- or triarylmethane compound possessing within its di- or triarylmethane structure an aryl group substituted in the ortho position to the meso carbon atom with a moiety ring-...
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WO/1985/004414A1 |
Fluoran compounds represented by general formula (I) (wherein R1 represents a straight-chain or branched C1 to C8 alkyl group, a cyclohexylalkyl group, a cyclic alkyl group, an optionally substituted phenyl group, an alkoxyalkyl group, a...
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WO/1985/003942A1 |
A novel color-forming reagent represented by formula (I): wherein R1, R2, R3, and R4 may be the same or different and each represents lower alkyl, X1 and X2 each represents -O(CH2)nSO3M (wherein M represents hydrogen, alkali metal ion or...
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WO/1983/003840A1 |
A process for preparing triarylmethane compounds, which comprises reacting a benzene or naphthalene compound with a formylating agent in the presence of an acidic catalyst, adding water to the reaction mixture without isolating the produ...
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WO/1980/002334A1 |
Diffusion transfer color processes and products employing image-dye providing materials providing magenta image dyes having the chromophoric system represented by the formula (FORMULA) wherein each R is the same or different and is an al...
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JP7488717B2 |
To provide a recording material that is useful as a color coupler for a heat-sensitive recording material, making it possible to give an image of a clear cyan color having superior performances of white texture, storage stability, and im...
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JP7481122B2 |
Disclosed is: a fluorescent dye consisting of a compound, a tautomer of the compound, or a salt of the compound or the tautomer; a labeled composite substance comprising the fluorescent dye and a composite substance which are bonded to e...
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JP7479816B2 |
There is provided a compound having a structure represented by the following Formula (1),in Formula (1), R1 and R2 each independently represent a phenyl group having a substituent or an unsubstituted phenyl group, R3 and R4 each independ...
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JP7466899B2 |
To provide an aqueous marking ink composition which has excellent color developability, saline resistance, and alcohol resistance, is inhibited from generation of a solid content from handwriting, and has excellent safety even when marki...
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JP2024046614A |
An object of the present invention is to provide a dye that has better solubility and heat resistance than conventional triarylmethane dyes. [Solution] A triarylmethane dye represented by the following general formula (1). [Selection dia...
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JP2024035571A |
[Problem] To provide a recording material that is excellent in various performances such as background whiteness, storage stability, and image fastness, and is useful as a clear magenta colored image. [Solution] A fluoran dimer compound ...
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JP2024035572A |
[Problem] To provide a recording material that is excellent in various performances such as background whiteness, storage stability, and image fastness, and is useful as a clear magenta colored image. [Solution] A fluoran dimer compound ...
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JP7440016B2 |
The present invention is to obtain a dye dispersion composition for a color filter, wherein a resist composition for a color filter has excellent viscosity-lowering properties and viscosity stability and also has excellent optical proper...
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JP7438887B2 |
According to one embodiment, a high-definition and decolorable image is formed. A method for producing a colorable material according to an embodiment includes supplying a first solution containing a color developable agent and a first s...
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JP7432123B2 |
Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the following structure (I):or a stereoisomer, tautomer or salt thereof, wherein R1, R2, R3, R4, R5, L1, L2, L3, L4, M, m and n are as defined herein. Meth...
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JP7425576B2 |
To provide: xanthene dye having the maximum absorbance wavelength of the ultraviolet visible absorption spectrum of a solution on the side of a longer wavelength of 560 nm or more and excellent in color characteristics (a color gamut, br...
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JP7425198B2 |
A coloring composition comprising a coloring agent, a compound having an ethylenically unsaturated bond-including group, and a compound having an epoxy group, wherein the compound having an epoxy group includes a compound Ep having a gro...
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JP7410567B2 |
A novel non-fluorescent rhodamine dye forms a twisted intramolecular charge transfer state. A substituent that causes steric hindrance is introduced at an ortho position of a dimethylamino group on the xanthene ring of tetramethylrhodami...
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JP7402616B2 |
To solve the problem in which conventional coloring resin compositions have low coloring power, and cannot produce a deep color without increasing the film thickness of a formed color filter.A coloring resin composition comprises a color...
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