| Patents for C09B 57 - Other synthetic dyes of known constitution (5,224) |
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| 08/07/2001 | US6270534 Comprising two-electron oxidoreductase, its corresponding donor, and one basic amino acid in reaction support such as water; ready-to-use, stability, color intensity, compatibility; homogeneity; curling |
| 08/01/2001 | EP1120444A2 Ternary pigment compositions |
| 08/01/2001 | EP1120405A2 Oxidation bases with a guanidine chain, process for their preparation, their use for oxidation dyeing of keratinous fibers, dyeing compositions and dyeing processes |
| 08/01/2001 | CN1306507A Amminium salt or diimmonium salt compounds and use thereof |
| 07/25/2001 | EP1118640A1 Bridged perinone, quinophthalone and perinone-quinophthalone |
| 07/19/2001 | US20010008912 Pigment dispersants based on diketopyrrolopyrrole compounds and pigment preparations |
| 07/19/2001 | US20010008748 Compositions and processes for photogeneration of acid |
| 07/17/2001 | US6261359 Soluble chromophores |
| 07/12/2001 | WO2001049508A1 Benzbisazole compound and optical recording medium containing the compound |
| 07/10/2001 | US6258954 Fluorescent maleimides and uses thereof |
| 07/05/2001 | US20010006034 Dissolving an organic pigments such as diketopyrrolpyrrole and other with specific particle size and a binder having 2-7 mol of carboxyl groups and a neutral emulsifier in water or alcohol, shaping in oval or spherical granule shapes, drying |
| 06/28/2001 | WO2001046161A1 Amphoteric optical brighteners, their aqueous solutions, their production and their use |
| 06/28/2001 | CA2390035A1 Amphoteric optical brighteners, their aqueous solutions, their production and their use |
| 06/26/2001 | US6252042 Reacting peptide and protein with complex |
| 06/21/2001 | WO2001044375A1 Squarylium compounds and optical recording media made by using the same |
| 06/21/2001 | WO2001043714A1 The use of fluorescent whitening agents |
| 06/21/2001 | CA2362640A1 Squarylium compounds and optical recording media made by using the same |
| 06/20/2001 | EP1109059A2 Oxonol infrared radiation sensitive compounds |
| 06/20/2001 | EP0890176B1 Proton conductor in liquid form |
| 06/20/2001 | CN1067395C Process for preparing diketopyrrolpyrrde derivatives |
| 06/20/2001 | CN1067237C Cationic dyes for keratin-containing fibres |
| 06/19/2001 | US6248890 Reacting a naphthalimide diol with a fatty acid having from 8 to 24 carbon atoms |
| 06/13/2001 | EP1106656A1 Process for preparing green pigment composition containing no halogen |
| 06/13/2001 | CN1298903A Powdered fluorescent composition as whitening agent |
| 06/12/2001 | US6245988 Metal complex photosensitizer and photovoltaic cell |
| 06/07/2001 | DE19958181A1 Pigmentdispergatoren auf Basis von Diketopyrrolopyrrolverbindungen und Pigmentzubereitungen Pigment dispersants based on diketopyrrolopyrrole and pigment preparations |
| 06/06/2001 | EP1104789A2 Pigment dispersants based on dicetopyrrolopyrrole compounds and pigment dispersions |
| 06/06/2001 | CN1298405A Yellow pteridine having a hue-angle of at least 98 |
| 06/06/2001 | CN1297964A Preparation of red phosphor |
| 06/06/2001 | CN1066766C Diketopyrrolopyrrole pigment with high chroma |
| 06/05/2001 | US6242430 Cyclodextrin-based rotaxane dyes, labeling agent using the dye, and a method for labeling |
| 06/05/2001 | US6242067 Optical recording medium |
| 06/05/2001 | US6241813 Pigment granulation |
| 06/05/2001 | US6241786 Process for preparing dyes and/or brightener formulations |
| 05/30/2001 | CN1297450A Preparation of alkylthio- and/or arylthio-substd. diketo-diaryl-pyrrolopyrroles |
| 05/30/2001 | CN1297003A Diketopyrrolopyrrole |
| 05/24/2001 | US20010001332 Novel azo compounds, use in dyeing, compositions containing them and dyeing processes |
| 05/23/2001 | EP1101800A1 Diketopyrrolopyrrole |
| 05/23/2001 | EP1101129A1 Photochromic ophthalmic lens |
| 05/23/2001 | CN1296487A Dibenzonaphathyrones and their use for colouring/pigmenting high-molecular-weight organic material |
| 05/17/2001 | WO2001034709A1 Dye labeled imidazoquinoline compounds |
| 05/17/2001 | CA2390163A1 Dye labeled imidazoquinoline compounds |
| 05/17/2001 | CA2326005A1 Diketopyrrolopyrrole |
| 05/15/2001 | US6231622 Dye compositions, especially for dyeing hair, containing indane derivative compounds |
| 05/08/2001 | US6228942 Dehydration to esterify or amidate surface of oxidized or aminated carbon powder or fiber suspended in solution containing a monomer or polymer having amine, hydroxy, and/or viny ether groups |
| 05/03/2001 | WO2001031111A1 Mixtures of fluorescent whitening agents |
| 05/02/2001 | EP1095161A2 Novel polycyclic aromatic fluorogenic substrates for hydrolases |
| 05/02/2001 | EP1095041A2 Dibenzonaphthyrones and their use for colouring/pigmenting high-molecular-weight organic material |
| 05/02/2001 | EP1078926A9 Pyran derivatives |
| 05/01/2001 | US6225466 For articles made of synthetic resin materials; rapid darkening and brightening rates, durability |
| 05/01/2001 | US6224665 Process for the preparation of highly chromatic perylene pigments |
| 04/26/2001 | WO2001029040A2 PROCESS FOR THE PREPARATION OF PYRIMIDO[5,4-g]PTERIDINE DERIVATIVES |
| 04/26/2001 | CA2385672A1 Process for the preparation of pyrimido[5,4-g]pteridine derivatives |
| 04/24/2001 | US6222047 Pyrocarbonic acid diesters and the preparation and use thereof |
| 04/24/2001 | US6221412 Discoloration inhibition of dairy product colored with riboflavin by adding small concentration of carotenoids |
| 04/18/2001 | EP0968250B1 Soluble chromophores having improved solubilising groups |
| 04/17/2001 | US6218552 Has a structure of crystals exhibiting the strongest peak at an angle of diffraction, 2 theta, of 4.7 degrees, among peaks appearing within the range of not smaller than 3 degrees of 2 theta |
| 04/11/2001 | EP1090911A2 Bis(aminostyryl) anthracene compound, synthesis intermediate thereof, and process for production thereof |
| 04/11/2001 | EP1090910A1 Amminium salt or diimmonium salt compounds and use thereof |
| 04/04/2001 | CN1289773A Preparation of intermediate for thiazolylisopseudoindole dyes |
| 03/28/2001 | EP1086984A2 Compounds for mass colouration of polymers |
| 03/28/2001 | CN1289468A Use of spiro compound as laser dyes |
| 03/28/2001 | CN1289317A spirans and the use thereof |
| 03/27/2001 | US6207464 Incubating target with dye to form a covalent bond; blue fluorescing dyes |
| 03/22/2001 | WO2001019939A1 Fluorescent maleimides and uses thereof |
| 03/22/2001 | WO2001019804A1 Triazinylaminostilbene derivative as fluorescent whitening agents |
| 03/22/2001 | CA2382149A1 Fluorescent maleimides and uses thereof |
| 03/22/2001 | CA2382002A1 Triazinylaminostilbene derivative as fluorescent whitening agents |
| 03/21/2001 | EP0613466B1 Organic compounds |
| 03/20/2001 | US6203579 Use of 1-substituted isatins to dye fibers containing keratin |
| 03/15/2001 | WO2001017356A1 Antimicrobial polymer |
| 03/13/2001 | US6201126 Isoindolenineamide dyestuffs |
| 03/07/2001 | EP0906370B1 Pyridone colorants |
| 03/06/2001 | US6197223 Reacting diacidic monomer having formula h--a--h, comprising 1 to 100 mole % of light-absorbing monomer having a light absorption maximum between 300 nm and 1200 nm and 99-0 mole % of a non-light absorbing monomer with organic compound |
| 02/28/2001 | EP1078926A1 Pyran derivatives |
| 02/28/2001 | EP1078023A1 Luminescent compounds |
| 02/22/2001 | WO2001012900A1 Formulations of fluorescent whitening agents |
| 02/22/2001 | WO2001012771A1 Liquid fluorescent whitening agent formulation |
| 02/22/2001 | WO2000053597B1 Benzofuran-2-ones as colorants for organic materials |
| 02/22/2001 | CA2378050A1 Liquid fluorescent whitening agent formulation |
| 02/14/2001 | EP1076076A1 Pigment for warpage-free polyolefins coloration |
| 02/14/2001 | EP0711294B1 Use of diazapentalene derivatives as reagents specific for thiol compounds |
| 02/13/2001 | US6187224 Optical brightening agent |
| 02/07/2001 | EP1073660A1 Yellow pteridine having a hue-angle of at least 98 |
| 02/07/2001 | EP1073659A1 Preparation of alkylthio- and/or arylthio-substituted diketo-diaryl-pyrrolopyrroles |
| 02/01/2001 | WO2000058405A3 Squaraine dyes |
| 01/30/2001 | US6179883 2-imino-2,3-dihydro-1H-indole derivatives for dyeing keratin fibers |
| 01/30/2001 | US6179881 Compositions and processes for dyeing keratin fibers with azo compounds |
| 01/25/2001 | WO2001005894A1 Organic metal complex, infrared-absorbing dye and infrared absorption filter containing the same, and filter for plasma display panel |
| 01/23/2001 | US6177220 Stilbene derivative and method of producing the same, and electrophotosensitive material |
| 01/16/2001 | US6174394 Method for thermostable and lightfast dichroic light polarizers |
| 01/10/2001 | EP1066342A1 Photosensitizer for applications in solar technology, method for the production thereof and configuration to implement the method |
| 01/09/2001 | US6171522 Heterocyclic aromatic anion salts, and their uses as ionic conducting materials |
| 01/03/2001 | CN1278841A Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers |
| 01/02/2001 | US6169185 Ink jet printing inks |
| 12/28/2000 | WO2000078873A1 Process for preparing green pigment composition containing no halogen |
| 12/26/2000 | US6165973 Fluorescent whitening agent, its preparation and use |
| 12/21/2000 | WO2000053597A3 Benzofuran-2-ones as colorants for organic materials |
| 11/28/2000 | US6153764 Imidation of a perylene tetracarboxylic derivative pigment precursor by cyclization reaction with ammonia or an amine in solution of reaction mixture containing a second cyclic imide derivative which is non-pigmentary |
| 11/28/2000 | US6153122 Useful for fluorescent whitening of a wide range of substrates, including textiles and paper |