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WO/1996/022333A1 |
An azo pyrazolone compound of formula (I), wherein Z represents a substituent selected from Cl, Br, F, NO2, SO2R, CO2R, NHSO2R1 and NHCOR1 in which R and R1 are hydrocarbyl groups and the sulphonic acid group in ring A is in the 3- or 4-...
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WO/1996/020919A1 |
The present invention relates to 'alpha'-aminoacetophenones functionalised with organic diisocyanates, having general structure (I) which can be used as reactive photoinitiators; to oligomers and polymers to which such functionalised 'al...
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WO/1996/018697A1 |
An erasable ink composition contains a water-insoluble polymeric dye obtained from the polymerization of at least two coreactive polyfunctional monomers with at least one of the monomers possessing a dye moiety covalently bonded thereto....
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WO/1996/017844A1 |
Strapped porphyrins and electron-deficient porphyrins are provided, as well as processes and intermediates for their preparation. In certain embodiments, such compounds are prepared by nucleophilic displacement of leaving groups from met...
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WO/1996/017628A1 |
An in-vivo diagnostic process by near infrared radiation (near I.R. radiation) uses water-soluble dyes and their biomolecular addition products having certain photophysical and pharmacochemical properties as contrasting agents for fluore...
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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/1996/012768A1 |
A coupling component for use in the synthesis of azo colorants, selected from compounds having formulae (I), (II) wherein R1 is Y or arylene-(Y)n, where n is an integer from 1-4; R2 is H, C1-C8 alkyl, C3-C8 cycloalkyl, aryl, or Y; provid...
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WO/1996/012750A1 |
The present invention provides novel substituted biphenyl pyrazines or pyrazine derivatives ("BPD") which are functional and have useful application as a monomer for a variety of high performance polymers such as polyester, polyarylate, ...
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WO/1996/008537A1 |
A process for producing an organic pigment represented by the general formula (I): A(H)x(CH3)y, characterized in that an organic pigment represented by the formula (II): A(H)x+y, is reacted with dimethylcarbonate in the presence of a bas...
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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/1996/000409A1 |
The invention concerns the use, in non-linear optics, of naphthalene derivatives of formula (I) in which rings A and B may be fused each other, X is nitrogen or a group of the formula CH or CH=CH-CH: Z is a heterocyclic group and, in the...
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WO/1995/032247A1 |
Lacquered objects of daily use are disclosed, in particular car bodies, as well as lacquers for lacquering such objects. In order to achieve new, hitherto unknown colour effects with said lacquer, at least some, and preferably only plate...
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WO/1995/032246A1 |
A dye comprising molecules which contain a nucleophilic group and an electrophilic group characterised in that (i) the molecules are capable of joining together by formation of a covalent bond between the nucleophilic group of one molecu...
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WO/1995/032248A1 |
Interference pigments for effect lacquers, effect lacquers mixed therewith and thus lacquered objects of daily use, in particular car bodies, are disclosed. In order to prepare chiral-nematic polymers for such effect lacquers in a more s...
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WO/1995/030717A1 |
A water-soluble dye comprising molecules which contain a nucleophilic group and an electrophilic group characterised in that (i) the molecules are capable of joining together by formation of a covalent bond between the nucleophilic group...
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WO/1995/029916A1 |
Electron-deficient porphyrins are provided, as well as processes and intermediates for their preparation. In preferred embodiments, the electron-deficient porphyrins are prepared by condensing pyrrole derivatives and removing water thus ...
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WO/1995/028396A1 |
Phenol derivatives of the general formula (I) in which R1, R2, R3, X, Y and Z have the meanings given in the description, a process for their production and their use, especially in non-linear optics.
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WO/1995/025842A1 |
A process for the coloration of a substrate comprising applying thereto a composition comprising a dye and a nucleophilic agent and heating and/or basifying the composition thereby joining the dye and nucleophilic agent together by the f...
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WO/1995/023189A1 |
A bisazo compound represented by general formula (1), tautomers thereof, or salts thereof (wherein R represents (un)substituted phenyl or (un)substituted heteroaryl; and X represents (un)substituted phenylene). These compounds are lowly ...
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WO/1995/023190A1 |
The invention relates to a method for the production of pigments having a composite structure. It is characterized in that to a dispersion of core particles a solution containing complex forming or precipitating anions and a solution con...
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WO/1995/020181A1 |
Dyes having formula (I), in which R1 stands for halogen, cyano or thiocyanato; R2 stands for possibly substituted C1-C8-alkyl or possibly substituted phenyl; R3 stands for a 5- or 6-membered aromatic carbocyclic or heterocyclic residue; ...
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WO/1995/020182A1 |
The invention relates to the use in non-linear optics of azo dyes of formula I and the use of polymers containing azo dyes which include as characteristic monomer units bivalent groups derived from an azo dye of formula (I) wherein: D re...
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WO/1995/014957A1 |
The use of azo dyes with a diazo component derived from an aminothienothiophene and a coupling component from the aniline series in non-linear optics, polymers derived from these azo dyes, their use in non-linear optics and novel phenyl ...
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WO/1995/011279A1 |
Novel polymerizable yellow dyes are disclosed. Additionally, novel and known dyes are used to block or lower the intensity of blue light transmitted through ocular lenses and other windows.
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WO/1995/011278A1 |
Diphenylamines have formula (I), in which the ring A may be benzoanellated; D stands for an aryl radical or for a five-membered aromatic heterocyclic residue that has 1 to 3 heteroatoms in the heterocyclic ring selected from the group th...
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WO/1995/007955A1 |
The use of a polymer containing conjugally cross-linked chromophore segments, the emission properties of which are determined by those of the individual chromophore segments, in electro-optical switching and indicating devices. Electrolu...
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WO/1995/004953A1 |
Optically non-linear materials suitable upon repeated Langmuir-Blodgett dipping for forming Z-type (head-to-tail) films for second harmonic generation include hemicyanine dyes which are very unsymmetrical, i.e. which have hydrophobic sub...
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WO/1995/002848A1 |
A monlinear optically-active azo dye monomer comprising functionalities at opposite ends thereof which have differing reactivities, thus allowing the functionalities to be reacted in a stepwise fashion. The monomers can be incorporated i...
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WO/1994/026931A1 |
Novel fluorescent dyes are provided, characterized by having a fluorophore joined to a polycationic chain of at least two positive charges. The dyes are found to provide for high enhancement upon binding to nucleic acid and have strong b...
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WO/1994/025532A1 |
A novel lipomelanin sunscreen complex includes melanin linked to a lipid to form a lipomelanin. One or more ultraviolet light absorbing compounds can be added to form a lipomelanin sunscreen complex. A method for making the complex inclu...
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WO/1994/025504A1 |
The invention pertains to tetraaroxyperylene-3,4,9,10-tetracarboxylic acid polyimides (I) (R1: like or different alkyl radicals that can be substituted by cyano, nitro, halogen, C1-C18 alkoxy, C5-C7 cycloalkyl and/or C1-C18 alkyl and can...
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WO/1994/024213A1 |
The invention describes the preparation and use of fluorescent stains for nucleic acids derived from unsymmetrical cyanine dyes comprising a substituted benzazolium ring system linked by a methine bridge to a pyridinium or quinolinium ri...
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WO/1994/021562A1 |
Described is a method of separating anionic organic compounds out of aqueous solution, the solution being treated with one or more primary, secondary or tertiary monoamines, diamines or triamines disposed on a support.
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WO/1994/019387A1 |
Provided are water-dissipatable, sulfo-containing polyesters and polyester-amides having copolymerized therein thermally stable near infrared fluorophoric compounds. The polymers are useful in coating or ink compositions, which are in tu...
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WO/1994/012717A1 |
A process for the coloration of a substrate, especially a textile, comprising the steps of: a) applying to the substrate a mixture comprising an aqueous solvent and a water-soluble dye comprising molecules which contain a nucleophilic gr...
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WO/1994/012653A1 |
The present invention relates to a method for the preparation of a melanic pigment by enzymatic bioconversion, implementing a melanin precursor substrate and plant cells, characterized in that: (a) poppy (Papaver somniferum) plant cells ...
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WO/1994/004614A1 |
Porphyrins substituted with, for example, vinyl and acetylene groups are provided, along with polymers containing the same. In preferred embodiments, the substituted porphyrins are prepared by coupling halogenated porphyrins with anionic...
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WO/1993/024700A1 |
A process for the dyeing or printing of organic material, in particular fibre material, which comprises applying dyes containing at least one polymerisable double bond together with at least one colourless cationic compound containing at...
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WO/1993/024701A1 |
Process for the dyeing or printing of organic material, in particular fibre material, which comprises applying dyes containing at least one polymerisable double bond together with at least one colourless cationic compound containing at l...
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WO/1993/023480A1 |
It is described the preparation of substantially pure synthetic melanin, which is in the form of a solution in organic solvent or of a dry powder and is readily dispersible in plastic and/or plastic monomers, to produce low haze optical ...
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WO/1993/021252A1 |
A melanin that is soluble in an aqueous solution at a pH between 5 and 9 at a temperature of 0 to 100 °C. Advantageously, the melanin is capable of being filtered through at least a 0.45 micron size filter, and has molecular weight of g...
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WO/1993/015607A1 |
Ion pairs of hypericin and its analogues and derivatives are prepared by acidifying hypericin to its free acid form and reacting with a predetermined quantity of an organic or inorganic base at a pH below about 11.5. The compounds are us...
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WO/1993/015063A1 |
Monomeric benzotriazole, benzophenone, 3,3-diphenyl-2-cyanoacrylate, 2,2,6,6-tetramethylpiperidine, hindered phenol, and diazo derivatives of 4'-hydroxyacetophenone, 4-hydroxystyrene, 1,1,1-tris(4'-hydroxyphenyl)ethane, 1,3,5-tris(4'-hyd...
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WO/1993/013744A1 |
An indoline product obtained by oxidizing at least one compound of formula (I), wherein R1 and R3 independently represent a hydrogen atom or a C1-4 alkyl grouping; R2 represents a hydrogen atom, a C1-4 alkyl grouping, a carboxyl grouping...
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WO/1993/013745A1 |
A mineral or organic particle-based product comprising an indoline product, a method for preparing same, and the use thereof in cosmetics. The product is a powder consisting of mineral or organic particles smaller than 200 microns, and c...
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WO/1993/010452A1 |
Diagnosis reactant and its application in a method for the rapid qualitative and quantisitive determination of a ligand or analyte in a fluid to be assayed, as well as device for implementing such method. Said reactant has the formula (I...
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WO/1993/009128A1 |
The present invention contemplates chromophore-containing polynucleotides having at least two donor chromophores operatively linked to the polynucleotide by linker arms, such that the chromophores are positioned by linkage along the leng...
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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/1993/000815A1 |
Compositions of a polymer and a photosensitiser capable of catalysing the formation of singlet oxygen from triplet oxygen under the influence of visible light have photobactericidal properties and autosterile character on exposure to vis...
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