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WO/1998/047538A2 |
The invention relates to acid-labile and enzymatically divisible compounds for in-vivo and in-vitro diagnosis by means of near infrared radiation (NIR-radiation), the use of said compounds as optic diagnostic and therapeutic agents, and ...
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WO/1998/042788A1 |
An eradicable ink contains an essentially non-aqueous solvent and a colorant, dissolved in the solvent, that changes color if contacted with a sulfite or an amine. Moreover, a water soluble colorant containing a counterion hydrophilic ca...
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WO/1998/042799A1 |
The invention relates to pigment flakes comprising a chiral liquid crystalline polymer material, said chiral liquid crystalline polymer material serving as carrier material or being coated onto a carrier material, characterized in that t...
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WO/1998/042784A1 |
This invention is drawn to a reactive azo dye containing a permanent quaternary ammonium group as a substituent of the dye.
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WO/1998/041581A1 |
The invention relates to azo dyes with an alternating composition of diazocomponents and coupling components, containing in the molecule at least three units of the structure (I) wherein D stands for a tetrazocomponent of the formula (II...
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WO/1998/041583A1 |
The present invention concerns colorant salts which are free of fiber-reactive groups and which follow the formula (I) in which Chr stands for a (m + n)-valent radical of a chromophore from the series of phthalocyanines which contain met...
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WO/1998/040429A1 |
The invention relates to organopolysiloxanes whith dye residues, containing units of general formula (I): R?1��a?(RO)�b?A�c?R?2��d?SiO�(4-a-b-c-d)/2? wherein R, R?1�, R?2�, A, a, b, d and c have the meaning cited in Cla...
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WO/1998/038252A1 |
Compounds capable of meeting ardent needs for blue compounds which can attain a good reproducibility in dyeing (e.g. printing) cellulosic fibers with reactive dyes to give blued fibers excellent in light and chlorine water fastness and r...
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WO/1998/034988A1 |
Cyanine dyes which have high solubilities in solvents having high evaporation rates and are stable against light, thus being improved in productivity and capable of realizing optical recording media having excellent light resistance, par...
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WO/1998/033866A1 |
Composition comprising a solid organic support material to which either directly or via a bridging group, are covalently linked fluorescent host chromophores and fluorescent guest chromophores, wherein the fluorescence emission spectrum ...
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WO/1998/033865A1 |
A composition comprising a solid organic support material to which are either directly, or via a bridging group, covalently linked fluorescent chromophores, characterized in that the chromophores are selected from the group consisting of...
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WO/1998/033864A1 |
Solid-state fluorescent composition comprising at least one host chromophore selected from the group consisting of a benzo[4,5] imidazo[2,1-a]isoindol-11-ones and an effective amount of at least one guest chromophore, and if desired a po...
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WO/1998/033863A1 |
Preparation of a solid fluorescent composition comprising (1) mixing a host chromophore and an effective amount of a pigment precursor in a solvent, then generating a pigment as guest chromophore in situ from the pigment precursor, and, ...
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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/1998/031752A1 |
The present invention provides an amino-1,8-naphthalimide compound having substituent groups at the imide position and a position distal to the imide position. The substituent groups are linked to a hydrocarbon directly linked at the imi...
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WO/1998/029399A1 |
The invention relates to ionic compounds in which the anionic load has been delocalized. A compound disclosed by the invention includes an anionic portion combined with at least one cationic portion M?+m� in sufficient numbers to ensur...
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WO/1998/029388A1 |
The invention relates to ionic compounds in which the anionic load has been delocalized. A compound disclosed by the invention is comprised of an amide or one of its salts, including an anionic portion combined with at least one cationic...
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WO/1998/029877A1 |
Disclosed is a proton conductor in liquid form, comprised of a mixture of the following components: (a) a salt combined with a nitrogenated base along with an acid, according to formula (I), wherein Z�1?, Z�2?, Z�3?, and Z�4?, wh...
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WO/1998/029389A1 |
The invention is related to ionic compounds, derivatives of malononitrile, in which the anionic load has been displaced. An ionic compound disclosed by the invention includes an anionic portion combined with at least one cationic portion...
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WO/1998/029396A1 |
The invention relates to ionic compounds in which the anionic load has been displaced, and the uses of these compounds. A compound disclosed by the invention comprises an anionic portion combined with at least one cationic portion M?+mï¿...
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WO/1998/029358A2 |
Disclosed is a method for grafting a polymer onto the surface of a carbonate material with carboxyl, amine, and/or hydroxyl functions on its surface. Said material is placed in suspension in a solution including the polymer to be grafted...
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WO/1998/028737A1 |
This invention relates to an optical recording medium, comprising a substrate, a recording layer, and a reflecting layer where the recording layer comprises at least one dye of formula (I), wherein A�1?, and A�2? are each independent...
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WO/1998/023689A1 |
This invention relates to new blue anthraquinone colorants having Formula (I) wherein R and R�1? are the same or different and are selected from hydrogen and unsubstituted or substituted C1-C6 alkyl, C3-C7 cycloalkyl 2-furyl, 2-thienyl...
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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/1998/019856A1 |
A dye composition useful in CD-R recording media and having reduced wavelength dependence of the dye layer absorption that includes the combination of (1) a first cyanine dye having a peak absorption wavelength in the solid film form in ...
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WO/1998/018871A1 |
This invention relates to organic solvent based ink formulations suitable for ink jet printing by the piezoelectric impulse drop-on-demand method and by using several available continuous ink jet printing systems, and which contain a sui...
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WO/1998/017741A1 |
The invention relates to colorant compositions consisting substantially of one or more cholesteric liquid crystal polymers and at least one colorant absorbing a light in the visible wave range. Organic and inorganic pigments or dyes coul...
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WO/1998/012265A1 |
A process for producing pigment particles of defined shape and size is characterised in that a flat structure with holes of defined shape and size is treated with a polymerisable substance or mixtures of substances in such a way that the...
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WO/1998/010022A1 |
The invention relates to anthraquinone polysulfonamide colorants derived from colored disulfonyl chlorides containing anthraquinone chromophores by reacting with various diamines. The anthraquinone polysulfonamide colorants are useful fo...
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WO/1998/005717A1 |
A compound of formula (I) or mixtures thereof. The compounds are useful as solvent dyestuffs and exhibit high solubility in alcoholic solvents, e.g. ethanol.
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WO/1998/002492A1 |
Disclosed are the Rhodamine B esters of hydroxy C�2?-C�6? lower alkyl acrylates. Specifically, the hydroxy lower alkyl radical is a linear hydroxy lower alkyl radical having the hydroxy group attached to the terminal carbon atom. Als...
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WO/1997/044365A1 |
It is possible to produce extremely rapidly photo-addressable storage media from inherently slowly photo-addressable polymers by irradiating the substrates over a large area with a light source suitable for conventional inscription so th...
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WO/1997/042227A1 |
Compounds of formula (I), wherein X is CH, C-CH3, C-Cl, C-O-C1-C8alkyl or N; R is C1-C6alkyl, benzyl, CH2COOR3 or a group (a); R1 is C1-C8alkoxy, C1-C12alkyl, halogen, NO2, benzyloxy or phenyloxy, wherein the phenylring in the benzyloxy ...
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WO/1997/041063A1 |
A cationic fibrous acetate salt of boehmite alumina useful in dyeing fabrics.
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WO/1997/040108A1 |
An ink composition comprising a water-soluble reactive dye comprising at least three chromophoric groups linked to a polyamine; and a medium comprising at least one of a low melting point solid, an organic solvent and a mixture of water ...
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WO/1997/034904A1 |
Linear or cyclic diorganosiloxane compounds with the shared feature that they all include at least one nitroaniline function are disclosed. The compounds may be used as organic dyes in cosmetic compositions particularly suitable for dyei...
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WO/1997/031295A1 |
There are described color-providing compounds having at least two cyclic 1,3-sulfur-nitrogen moieties and one complete dye or dye intermediate. The color-providing compound is stable in the photographic processing composition but capable...
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WO/1997/028447A1 |
Fluorescent conjugates suitable for use in flow cytometry and other biological applications. The fluorescent conjugates comprise an antibody having a polymeric dye bound thereto. The polymeric dye is preferably enhanced by a hydrophobic ...
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WO/1997/027252A1 |
A method is proposed for producing pigments by applying a polymerisable mixture to a surface, orienting the liquid crystals in the mixture, polymerising the mixture, removing the polymer film from the surface and shredding the polymer fi...
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WO/1997/027049A1 |
Substituted compounds having relatively large molecular first order hyperpolarizabilities are provided, along with devices and materials containing them. In general, the compounds bear electron-donating and electron-withdrawing chemical ...
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WO/1997/027251A1 |
A process is disclosed for producing pigment particles and is characterised in that: either a polymerisable mixture containing a dye or interference colouring agent is applied to a surface with recesses in the shape of the desired pigmen...
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WO/1997/020944A1 |
A method of producing a melanin comprises oxidising a phenolic compound at one or more hydroxyl groups thereof, wherein the phenolic compound is selected from 5-hydroxyindole and derivatives thereof and compounds of formula (1) and the o...
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WO/1997/013816A1 |
A coloured solid material suitable for use in a hot melt ink comprises an oligomeric hot melt ink jet vehicle formed of molecules having a backbone and at least one pendant side-chain. A dyestuff is reacted onto the backbone. The materia...
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WO/1997/007169A1 |
A coloured polymer obtained or obtainable by polymerisation of a mixture consisting essentially of a dye and a triazine compound having at least two groups selected from alkoxymethylamino and hydroxymethylamino. The coloured polymers may...
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WO/1997/004510A1 |
The present invention relates to the production of solid state lasers of dyes of the family of rodamines. More specifically, it relates to lasers wherein said dye or chromophor is covalently anchored to a solid matrix, and comprises an o...
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WO/1996/041144A2 |
Fluorescent dyes which are free of aggregation and serum binding are provided. These dyes are suitable for applications such as fluorescence immunoassays, in vivo imaging and in vivo tumor therapy. Fluorescence immunoassays methods are p...
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WO/1996/037643A1 |
A process for producing coloured regenerated cellulose fibres is characterised in that a composition of a cationic polysaccharide and of an anionic dye is added to a viscose mass, alkaline cellulose or cellulose solution before spinning ...
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WO/1996/037559A1 |
A formulation essentially consists of a cationic polysaccharide and one or several anionic dyestuffs.
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WO/1996/029046A1 |
The proposal is for novel polymer dyestuffs obtained by condensing cationic biopolymers, e.g. chitosame, with dyestuffs which have a basic group, preferably a halogen function. The dyestuffs spread as a film on the fibres and can easily ...
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WO/1996/023841A1 |
Granular leuco vat-dye preparations containing, as essential components, leuco vat-dye, reducing agents and alkaline metal hydroxide, and the production of said preparations and their use in dyeing cellulose-containing textile materials.
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