| Patents for C09B 57 - Other synthetic dyes of known constitution (5,224) |
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| 02/20/2003 | WO2003014255A1 Fluorescent diketopyrrolopyrrole analogues |
| 02/19/2003 | EP1283856A2 Process for preparing solutions of anionic organic compounds |
| 02/19/2003 | CN1398307A Use of mixtures of optical brighteners to improve wash fastness of brightened textiles |
| 02/12/2003 | CN1396198A Bulk coloured high polymer organic material containing pyrimido-pteridine or its mixture |
| 02/06/2003 | WO2003010230A1 Method of mass-colouring synthetic materials |
| 02/06/2003 | WO2003010229A1 Method of mass-colouring synthetic materials |
| 02/05/2003 | EP1281731A1 Coloring composition |
| 02/05/2003 | CN1394917A Fine pigment and composition for colouring |
| 01/30/2003 | US20030023097 Fluorescent materials and their use |
| 01/30/2003 | US20030019051 Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation |
| 01/23/2003 | WO2003006557A1 Thermoplastic fluorescent pigment |
| 01/23/2003 | WO2003006523A1 Inherently colored polyurea and polyurethane |
| 01/21/2003 | US6508957 Fluorescent maleimides and uses thereof |
| 01/16/2003 | WO2003004569A1 Method for increasing hydrophilicity of fluorescent label compounds |
| 01/16/2003 | US20030013628 Amphoteric optical brighteners, their aqueous solutions, their production and their use |
| 01/16/2003 | US20030013041 Write-once optical data carrier |
| 01/14/2003 | US6506517 Surface modified carbonaceous materials |
| 01/14/2003 | CA2055019C Pyrazole-containing pigment derivatives |
| 01/09/2003 | WO2003002672A2 Fluorescent diketopyrrolopyrroles |
| 01/09/2003 | US20030008132 Filter for image display device |
| 01/08/2003 | EP1273933A1 Fluorescent retroreflective sheet |
| 01/03/2003 | WO2003000799A1 Cationic dyes, method for the production thereof and colouring agents containing said compounds |
| 01/02/2003 | EP1271240A2 Silver halide color photographic material |
| 01/02/2003 | EP1270680A2 Finely divided pigments and coloring compositions |
| 12/27/2002 | WO2002055609A3 Indole/indoline based hybrid dyes and indole/indoline based hybrid dye intermediate products |
| 12/26/2002 | US20020197561 Information layer comprises a light-absorbent compound that is a dye which cyclizes thermally |
| 12/19/2002 | US20020193577 Novel crystal form of a perinone dye |
| 12/19/2002 | US20020189032 Use of 4-nitro-2,1,3,-benzoxadiazole derivatives as dyes in colouring agents for keratin fibres |
| 12/18/2002 | EP1266064A2 Use of mixtures of optical brighteners to improve the wash fastness of brightened textiles |
| 12/18/2002 | CN1386133A Coloring composition |
| 12/17/2002 | US6494947 Crimson-colored pigment mixtures comprising quinacridone and 1,4-diketo-2,5-dihydro-3,6-diarylpyrrolo(3,4c)pyrrole pigments in crystal phase with tinctoral strength |
| 12/12/2002 | WO2002099480A1 Optical device |
| 12/12/2002 | WO2002099097A1 Novel compounds for chemiluminescense procedures |
| 12/12/2002 | CA2449700A1 Optical device |
| 12/12/2002 | CA2448824A1 Novel compounds for chemiluminescense procedures |
| 12/10/2002 | US6492533 Colorants comprising a chromophore having two methine moieties attached to a benzodifuranone backbone, wherein said moieties optionally have at least one poly(oxyalkylene) chain, preferably at least two such chains attached thereto are |
| 12/10/2002 | US6492502 Reduction of a quaternary ammonium containing nitro compound, to form an intermediate, oxidizing to give azo compound; useful for dyeing hair |
| 12/10/2002 | US6491847 Discotic liquid crystal and organic electroluminescence device using same |
| 12/05/2002 | US20020179879 Mixture of water, surfactants, glycerin and fluorescent brightener |
| 12/05/2002 | US20020178516 Warp-free pigment compositions comprising diaryldiketoprrolo[3,4-c]pyrroles |
| 12/04/2002 | EP1017744B1 Bridged monoazo compounds |
| 12/04/2002 | EP0934364B1 Pigment granulation |
| 12/03/2002 | US6488867 Uvitex; coating of a paper such as photographic printing paper |
| 11/27/2002 | CN1382237A Mixtures of fluorescent whitening agents |
| 11/26/2002 | US6486332 Fluorescent pigments |
| 11/21/2002 | WO2002092699A2 New crystal modification of diketopyrrolpyrrole solid solution pigment |
| 11/21/2002 | CA2444912A1 New crystal modification of diketopyrrolpyrrole solid solution pigment |
| 11/19/2002 | US6482950 Squarylium compounds, and processes and intermediates for the synthesis of these compounds |
| 11/19/2002 | US6482817 Hybrid pigments |
| 11/13/2002 | CN1379778A Process for preparation of pyrimido [5,4-g] pteridine derivatives |
| 11/13/2002 | CN1379064A New crystal shape of dyestuff peri-ketone |
| 11/12/2002 | US6479123 Dipyrromethene-metal chelate compound and optical recording medium using thereof |
| 11/07/2002 | WO2002088116A1 Coumarin derivative |
| 11/07/2002 | US20020165368 Novel azo compounds, use in dyeing, compositions containing them and dyeing processes |
| 11/07/2002 | US20020164616 Crown ether derivatives |
| 11/06/2002 | EP1025156B1 Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers |
| 11/06/2002 | EP1002020B1 Dye intermediate and method to manufacture dyes |
| 11/05/2002 | US6475590 Optical recording medium or the infrared ray screening filter. |
| 10/31/2002 | WO2002085988A1 Water-soluble salt of sulfonamides as colorants for the pigmenting of porous materials and for use in inkjet printing |
| 10/31/2002 | WO2002085987A1 Pigment compositions and pigmented water-based coating materials |
| 10/31/2002 | CA2443708A1 Pigment compositions and pigmented water-based coating materials |
| 10/30/2002 | EP1159254A4 Oxyalkylene-substituted aminophenol intermediate |
| 10/29/2002 | US6471765 Mannich-type substiuted dihydroquinacridone and a fine-sizezed sulfonated diketopyrrolopyrrole pigment |
| 10/17/2002 | WO2002012402A3 Colorant compounds containing copolymerizable vinyl groups |
| 10/17/2002 | US20020150929 Detecting reagent for double-stranded nucleic acid and double-stranded nucleic acid detecting method |
| 10/16/2002 | CN1374995A Fluorescent maleimides and uses thereof |
| 10/10/2002 | WO2002080163A1 Optical data carrier containing a cyclizable compound in the information layer |
| 10/10/2002 | WO2002080160A1 Optical data carrier that contains a cationic aminoheterocyclic dye as the light-absorbing compound in the information layer |
| 10/09/2002 | CN1373758A Triazinylaminostilbene deriv. as fluorescent whitening agents |
| 10/08/2002 | US6462204 Polycyclic dyes |
| 10/08/2002 | US6462128 Benzoguanamine- or urea-formaldehyde resins; uniformity; spherical or irregular shape; high opacity and dispersibility; pigments for plastic, rubber, paint, paper coating and printing inks |
| 10/03/2002 | WO2002077106A1 Aqueous liquid composition of fluorescent brightener excellent in dyeing characteristics |
| 10/02/2002 | EP1245645A2 Crystal modification of a perinone dye |
| 10/02/2002 | EP1245571A1 Benzbisazole compound and optical recording medium containing the compound |
| 10/02/2002 | EP1163294B1 Crimson-colored pigment composition and the utilization thereof |
| 10/02/2002 | DE10115404A1 Neue Kristallmodifikation eines Perinonfarbstoffes New crystal modification of an Perinonfarbstoffes |
| 10/02/2002 | DE10111655A1 Inkjet-Tinte Inkjet ink |
| 10/01/2002 | US6458966 Dye intermediate and method |
| 09/26/2002 | WO2002062796A8 Epindolidione pigments |
| 09/25/2002 | EP1242392A1 Amphoteric optical brighteners, their aqueous solutions, their production and their use |
| 09/24/2002 | US6455579 Useful in photochemical polymerization, dye laser, and electroluminescence. |
| 09/19/2002 | WO2002072721A1 Ink for an ink jet |
| 09/19/2002 | WO2002072709A1 A process for the preparation of substituted trans-cinnamaldehyde, a natural yellow dye, from phenylpropane derivatives |
| 09/19/2002 | US20020133045 Oxidation of a phenylpropane compound |
| 09/19/2002 | US20020132874 Colorant compounds containing copolymerizable vinyl groups |
| 09/18/2002 | CN1370222A Liquid fluorescent whitening agent formulation |
| 09/18/2002 | CN1091123C Process for producing and purifying perylene-3,4-dicarboxylic acid imides |
| 09/12/2002 | US20020128343 Colorants containing copolymerizable vinyl groups and sulfonamide linkages |
| 09/12/2002 | US20020127395 For producing filter for plasma display panel |
| 09/12/2002 | US20020125464 Stability; performance; visibile light transmittance; heat resistance; protective devices |
| 09/11/2002 | EP1237536A1 The use of fluorescent whitening agents |
| 09/05/2002 | US20020123532 E.g., bis(3,5-dibromo-2,4,6-trihydroxyphenyl)squaraine and bis(3,5- diiodo-2,4,6-trihydroxyphenyl)squaraine; anticarcinogenic and-tumor agents; fluorescent detector of tumors; sterilization of water; stability; nontoxic |
| 09/05/2002 | US20020123005 For adding to solid resin |
| 09/05/2002 | DE10111162A1 New fluorescent isoindolonaphthopyrrole dyes useful for labeling biomolecules, e.g. nucleic acids, lipids and proteins |
| 09/04/2002 | EP1141140B1 Naphthalenehydrazamimides and perylenehydrazamimides |
| 09/04/2002 | EP1121393B1 Disperse dye mixtures |
| 09/04/2002 | EP1066342B1 Photosensitizer for applications in solar technology, method for the production thereof and configuration to implement the method |
| 08/29/2002 | WO2002066562A1 Dye compounds |
| 08/29/2002 | WO2002066483A1 Copolymer composition having pigment like properties |
| 08/29/2002 | US20020120141 Dye labeled imidazoquinoline compounds |