| Patents for C09B 57 - Other synthetic dyes of known constitution (5,224) |
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| 03/22/2000 | EP0987260A1 Photochromic spirofluorenopyrans |
| 03/21/2000 | US6040482 Produced in a single step by reacting an oxyalkylene oxide or oxyalkylester having from 3 to 12 carbon atoms, glycidol, or a glycidyl with an aminophenol without the use of a catalyst and at low temperatures; xanthene, coumarin dyes |
| 03/21/2000 | US6039769 Process for the preparation of highly chromatic perylene pigments |
| 03/16/2000 | WO2000014814A1 Electro-luminescent arrangements with metal complexes that are bonded to fluorescent dyes |
| 03/15/2000 | EP0984942A1 Liquid benz-iso-quinoline derivatives |
| 03/14/2000 | US6036764 Yellow pigment blend for hot melt traffic markings |
| 03/09/2000 | DE19839948A1 Elektrolumineszierende Anordnungen mit Metallkomplexen mit angeknüpften Fluoreszenzfarbstoffen Electroluminescent devices with metal complexes featuring tethered fluorescent dyes |
| 03/08/2000 | EP0984007A1 Cationic orthophenylenediamines, their use for the oxidation dyeing of keratinous fibres, dyeing compositions and dyeing methods |
| 03/08/2000 | EP0984006A1 Cationic compounds, their use for the oxidation dyeing of keratinous fibres, dyeing compositions and dyeing methods |
| 03/08/2000 | EP0983282A1 Metal complex photosensitizer and photovoltaic cell |
| 03/08/2000 | CN1246886A 荧光主－客体系统 Fluorescent host - guest system |
| 03/08/2000 | CN1246885A Fluorescent materials and their use |
| 03/02/2000 | CA2280988A1 New cationic orthophenylenediamines, their use for oxidation dyeing of keratin fibres, dyeing compositions and dyeing processes |
| 03/02/2000 | CA2280603A1 New cationic compounds, their use for oxidation dyeing of keratin fibres, dyeing compositions and dyeing processes |
| 02/23/2000 | CN1245516A Method for preparing light-absorbing polymeric compositions |
| 02/15/2000 | US6025490 Amination of n,n*-diaminocyanuric monochloride derivatives; optical brighteners |
| 02/10/2000 | WO2000007040A1 Photochromic ophthalmic lens |
| 02/10/2000 | DE19834940A1 New photochromic spiro compounds used with preferably polythiourethane matrix in phototropic glass, preferably for ophthalmologic applications, and optical measuring, recording and storage matrix are e.g. spiro(fluorene-pyrrolophthalazines) |
| 02/10/2000 | CA2338225A1 Photochromic ophthalmic lens |
| 02/09/2000 | EP0977545A1 The use of 1-substituted isatins to dye fibers containing keratin |
| 02/09/2000 | CN1244115A Oxidising composition and uses for dyeing, permanently setting or bleaching keratin fibres |
| 02/08/2000 | US6022981 Key intermediates in synthesizing 5,10-disubstituted porphyrin compounds or other 5,10-disubstituted polypyrrolic macrocycles. |
| 02/08/2000 | US6022961 Fluorescent stain containing pyrylium salt and fluorescent staining method of biological sample |
| 01/26/2000 | EP0973761A1 RED COLOURING HYPERCHROMIC 3$i(H)-NAPHTHO 2,1-$i(b)]PYRANS |
| 01/26/2000 | EP0681464B1 Cationic dyes for keratin-containing fibres |
| 01/20/2000 | WO2000003034A2 Novel polycyclic aromatic fluorogenic substrates for hydrolases |
| 01/20/2000 | CA2335564A1 Novel polycyclic aromatic fluorogenic substrates for hydrolases |
| 01/19/2000 | EP0971681A1 Means and method for dying and coloring keratin fibers |
| 01/19/2000 | EP0614542B1 Arylidene sensitizing dyes for tabular grains |
| 01/13/2000 | WO1999052909A3 Dibenzonaphthyrones and their use for colouring/pigmenting high-molecular-weight organic material |
| 01/12/2000 | EP0969797A1 Oxidising composition and uses for dyeing, permanently setting or bleaching keratin fibres |
| 01/12/2000 | EP0969796A1 Oxidation dyeing composition for keratin fibres |
| 01/12/2000 | CN1241135A Oxidation dyeing composition for keratin fibres |
| 01/11/2000 | US6013811 Reacting benzofuran derivative with glyoxylic acid or phenol derivative with carboxylic groups in the presence of oxidizers to produce benzodifuranone or its derivative |
| 01/11/2000 | US6013777 Process for the preparation of fluorescent pigments |
| 01/11/2000 | US6013776 Carbamate-containing soluble chromogens exhibiting solid state fluorescence in the uv range |
| 01/05/2000 | EP0968254A1 Fluorescent materials and their use |
| 01/05/2000 | EP0968253A1 Fluorescent host-guest-system |
| 01/05/2000 | EP0968250A1 Soluble chromophores having improved solubilising groups |
| 01/05/2000 | CN1240211A Direct preparation of pyrrolo [3,4-c] pyrroles |
| 12/29/1999 | WO1999067200A1 Amminium salt or diimmonium salt compounds and use thereof |
| 12/29/1999 | EP0966684A1 Compounds for detecting phosphoric acid esters |
| 12/29/1999 | EP0966253A1 Oxidation dyeing composition for keratin fibres |
| 12/22/1999 | CN1239422A Oxidation dyeing compsn. for keratin fibres and dyeing method of using same |
| 12/22/1999 | CN1047592C Tinctorial compsn. of 5,6-dihydroxyindole and yeing method of keratose fibre |
| 12/21/1999 | US6005113 Fluorescent dibenzopyrrometheneboron difluoride dyes for tracing transport within a sample |
| 12/15/1999 | EP0963982A2 New diaminobenzene derivatives and these componends containing colouring agents |
| 12/15/1999 | EP0963426A1 Fluorescent chromophore, covalently linked to an organic support material |
| 12/15/1999 | EP0963425A1 Fluorescent compositions and their use |
| 12/15/1999 | EP0963424A1 Process for the preparation of fluorescent compositions, fluorescent compositions and their use |
| 12/08/1999 | EP0962535A1 Composition for the detection of microorganisms in a sample |
| 12/08/1999 | EP0962499A2 Direct preparation of pigmentary pyrrolo-(3,4-C)pyrroles |
| 12/08/1999 | EP0962452A1 Oxidative hair dye compositions and methods containing 1-(4-aminophenyl)-2-pyrrolidinemethanols |
| 12/07/1999 | US5998621 Aryloxy-poly(oxyalkylene) naphthalimide derivative colorants |
| 12/07/1999 | US5998517 Using tris/4,7-diphenyl-10-phenanthroline/ruthenium dichloride pentahydrate mixture |
| 12/05/1999 | CA2272043A1 Composition for the detection of microorganisms in a sample |
| 12/02/1999 | CA2273392A1 Direct preparation of pyrrolo¬3,4-c|pyrroles |
| 12/01/1999 | CN1236784A Warp-free pigment compositions comprising diaryldiketopyrrolo [3,4-c] pyrroles |
| 11/30/1999 | US5993791 Oxidation dye composition for keratinous fibres comprising a para-aminophenol, a meta-aminophenol and a 2-substituted para-aminophenol |
| 11/30/1999 | US5993491 Oxidative hair dye compositions and methods containing 1-(4-aminophenyl)-2-pyrrolidinemethanols |
| 11/17/1999 | CN1235651A Optical brightening agent |
| 11/16/1999 | US5986099 Substituted quaterrylene tetracarboxylic acid diimides |
| 11/16/1999 | US5986093 Monomethine cyanines rigidized by a two-carbon chain |
| 11/13/1999 | CA2271510A1 Oxidative hair dye compositions and methods containing 1-(4-aminophenyl)-2-pyrrolidinemethanols |
| 11/09/1999 | US5981760 Intermediates for the preparation of pyrazoloazole photographic couplers, processes of making and adjusting them |
| 11/09/1999 | US5981747 Monomethine cyanines rigidized by a two-carbon chain |
| 11/09/1999 | US5980593 Tagging petroleum products, paints, coating, inks with markers and detecting fluorescenc for identification |
| 11/04/1999 | WO1999055707A1 Yellow pteridine having a hue-angle of at least 98 |
| 11/04/1999 | CA2313634A1 Yellow pteridine having a hue-angle of at least 98 |
| 11/03/1999 | CN1234053A Pigment granulation |
| 11/02/1999 | US5977351 Benzpyrylium squarylium and croconylium dyes, and processes for their preparation and use |
| 11/02/1999 | US5976410 Dispersions of fluorescent whitening agents |
| 10/28/1999 | WO1999054332A1 Preparation of alkylthio- and/or arylthio-substituted diketo-diaryl-pyrrolopyrroles |
| 10/28/1999 | CA2321150A1 Preparation of alkylthio- and/or arylthio-substituted diketo-diaryl-pyrrolopyrroles |
| 10/27/1999 | EP0952183A1 Warp free pigment compositions containing diaryl-diketopyrrolo 3,4c pyrroles |
| 10/26/1999 | US5973146 Process for the preparation of aminated diketobis (aryl or heteroaryl)pyrrolopyrroles and the use thereof as photoconductive substances |
| 10/22/1999 | CA2269587A1 Warp-free pigment compositions comprising diaryldiketopyrrolo¬3,4-c|pyrroles |
| 10/21/1999 | WO1999052909A2 Dibenzonaphthyrones and their use for colouring/pigmenting high-molecular-weight organic material |
| 10/19/1999 | US5968252 Polycyclic compounds |
| 10/14/1999 | WO1999051702A1 Luminescent compounds |
| 10/14/1999 | DE19815659A1 New fluorescent dyes, used for covalent fluorescent labeling of biomolecules, e.g. proteins or nucleic acids, or drugs |
| 10/13/1999 | EP0948570A1 Method for preparing light-absorbing polymeric compositions |
| 10/07/1999 | WO1999050358A1 Photosensitizer for applications in solar technology, method for the production thereof and configuration to implement the method |
| 10/07/1999 | DE19815161A1 Photosensibilisator für solartechnische Anwendungen, Verfahren zu seiner Herstellung und Anordnung zur Durchführung des Verfahrens Photosensitizer for solar-engineering applications, process for its manufacture and assembly for implementing the method |
| 10/07/1999 | DE19812058C1 New 2-heterocyclyl-1,4-phenylenediamine derivatives |
| 10/05/1999 | US5962691 Methine and azamethine dyes based on trifluoromethylpyridones |
| 10/05/1999 | US5961666 Hair dye compositions containing 3-substituted-4-aminophenols and 2-substituted-1-naphthols |
| 09/30/1999 | DE19812020A1 Tandem dyes with increased Stokes shifts for fluorescence labeling of proteins, nucleic acids, cells, lipids or drugs |
| 09/28/1999 | US5959105 Squarylium dyes; cationic; used as an infra red absorbing dye having an appropriate absorption maximum |
| 09/22/1999 | EP0943661A2 Chromophoric compounds and their preparation process |
| 09/21/1999 | US5955615 Couplers |
| 09/21/1999 | US5955614 Bulk dyeing of plastics in yellow shades |
| 09/21/1999 | CA1340759C Isobenzothiazolone chromogenic thiol indicators and their derivatives |
| 09/18/1999 | CA2265316A1 Aqueous pigment and/or filler dispersions containing a special combination of dispersing agents |
| 09/14/1999 | US5952524 Process |
| 09/08/1999 | CN1227837A Aryl-acrylic acid esters |
| 09/07/1999 | US5948910 Water-soluble perylene dyestuffs, their preparation and their use |
| 08/31/1999 | US5944882 Thermal transfer recording material |
| 08/18/1999 | EP0935691A1 Optical brightening agent |
| 08/17/1999 | CA2096251C Labelling agents comprising boronic acid conjugates |