| Patents for C09B 19 - Oxazine dyes (673) |
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| 09/18/2003 | WO2003076518A2 Process for exchanging the anions of cationic compounds |
| 09/16/2003 | US6620931 Process for preparing new crystal polymorphs of a methyl-substituted benzimidazolone-dioxazine pigment |
| 09/10/2003 | EP1341853A1 Trichromatic dyeing process |
| 09/10/2003 | EP1341851A1 Process for the preparation of triphenodioxazine pigments |
| 09/09/2003 | US6617453 Triphendioxazine compounds |
| 09/04/2003 | US20030164118 Conditioning of organic pigments |
| 09/03/2003 | CN1440445A Pigmentary copper phthalocyanine solid solution and transparent dispersion comprising it |
| 08/21/2003 | US20030158407 A Fluorescent dyes for labelling biopolymers and cell surface, a conjugated with polynucleotides or nucleotides |
| 08/20/2003 | CN1118520C Triphendioxazine dyestuff for dyeing organic substrates |
| 07/02/2003 | EP1324130A1 Scannable photographic element containing cyan couplers |
| 07/02/2003 | CN1427302A Scanning photographing element containing high extinction high dye yield ching former |
| 06/26/2003 | US20030115687 Use of an extract of Myrsine africana in oxidation dyeing for dyeing keratin fibres |
| 06/19/2003 | US20030114669 Photochromic spiro(indoline)naphthoxazines |
| 06/18/2003 | CN1111755C Liquid crystal display and method |
| 06/11/2003 | EP1317511A1 Oxazine derivatives |
| 05/21/2003 | EP1312347A1 Use of an extract of myrsine africana for the oxidative dyeing of keratinic fibres |
| 05/13/2003 | US6562121 Thermally treating a liquid prepigment suspension in a microreactor |
| 05/08/2003 | US20030084820 Finely divided pigments and coloring compositions |
| 04/09/2003 | EP1299479A1 Pigmentary copper phthalocyanine solid solution and transparent dispersion comprising it |
| 04/08/2003 | US6544325 Used ot prepare color filters for liquid- crystal displays (LCDs) |
| 03/20/2003 | WO2003023357A2 Compounds and methods for fluorescent labeling |
| 02/13/2003 | WO2002053654A3 Preparation of heat stable pigment violet 23 |
| 02/05/2003 | CN1394917A Fine pigment and composition for colouring |
| 02/04/2003 | US6515123 Triphendioxazine pigments, intermediates, their method of making and uses thereof |
| 02/04/2003 | US6513212 Scannable photographic element containing high extinction high-dye-yield cyan couplers |
| 01/29/2003 | EP1278803A2 Sulfonated 8,9]benzophenoxazine dyes and the use of their labelled conjugates |
| 01/28/2003 | US6512115 Preparation of pigments |
| 01/08/2003 | EP1272494A2 Photochromic spiro(indoline)naphthoxazines |
| 01/02/2003 | EP1270680A2 Finely divided pigments and coloring compositions |
| 11/26/2002 | US6486332 Fluorescent pigments |
| 11/19/2002 | US6482817 Hybrid pigments |
| 11/05/2002 | US6476222 By conditioning with a pigment violet 23 derivative where one or both chlorine groups is replaced with a (methyl)phenylthio group |
| 10/31/2002 | WO2002085988A1 Water-soluble salt of sulfonamides as colorants for the pigmenting of porous materials and for use in inkjet printing |
| 10/30/2002 | EP1159254A4 Oxyalkylene-substituted aminophenol intermediate |
| 10/15/2002 | US6465644 Sulfonated [8,9] benzophenoxazine dyes and the use of their labelled conjugates |
| 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 |
| 09/05/2002 | US20020123626 Treating methyl-substituted, benzimidazolone-fused dioxazine pigment with a solvent selected from N-methylpyrrolidone, c1-c20 alcohol, 1,2,4-trichlorobenzene, trifluoroacetic acid, dichloroacetic acid or mixture at a temp 0-250 degree C. |
| 09/03/2002 | US6444249 Adding potassium hydroxide to aqueous solutions; venting ammonia |
| 08/27/2002 | US6440507 Unsymmetrical dioxazine compound dichroic dye liquid crystal composition and liquid crystal display element |
| 07/24/2002 | EP1066340B1 Triphendioxazine dyestuffs for dyeing organic substrates |
| 07/11/2002 | WO2002053654A2 Preparation of heat stable pigment violet 23 |
| 07/11/2002 | US20020091258 Low solubility, good fastness, red to blue colorations; use pigmenting paints, plastics, printing inks, pigment preparations, electrophotographic toners and developers, powder coating, inkjet inks, color filters and cosmetics |
| 07/11/2002 | US20020091257 By conditioning with a pigment violet 23 derivative where one or both chlorine groups is replaced with a (methyl)phenylthio group |
| 06/18/2002 | US6406525 Dioxazine compounds containing sulphonic acid groups, dye for cotton or paper, printing inks; blue shades with excellent fastnesses |
| 06/13/2002 | WO2002046318A1 Trichromatic dyeing process |
| 06/13/2002 | WO2002046315A1 Process for the preparation of triphenodioxazine pigments |
| 06/12/2002 | EP1213328A1 Oxazine derivatives |
| 05/30/2002 | WO2002042380A1 Use of pigments in cosmetic, in particular in make-up |
| 05/29/2002 | EP1208160A1 Red-emitting 8,9]benzophenoxazine nucleic acid dyes and methods for their use |
| 05/29/2002 | CN1351583A Oxyalkylene-substituted aminophenol intermediate |
| 05/28/2002 | US6395809 Salt formation with hydrochloric, sulfuric, or phosphoric acid; automobiles, electronics |
| 05/23/2002 | WO2001083621A3 Sulfonated [8,9]benzophenoxazine dyes and the use of their labelled conjugates |
| 05/21/2002 | US6391372 Stabilized annatto-caramel food colorant for RTE cereal |
| 05/02/2002 | EP1201718A2 Mixed crystals of benzimidazoloneoxazine derivatives |
| 05/02/2002 | DE10052221A1 Verfahren zur Herstellung neuer Kristallmodifikationen eines methylsubstituierten Benzimidazolon-Dioxazin-Pigmentes Process for the preparation of new crystal forms of a methyl-substituted benzimidazolone-dioxazine pigment |
| 04/25/2002 | DE10052858A1 Mixed crystals of different benzimidazolone-dioxazine compounds give fast red shades e.g. for pigmenting plastics or use in toners or developers, are obtained by co-synthesis, acidic cyclization, precipitation or sublimation |
| 04/24/2002 | EP1199309A1 Process for producing new crystalline modifications of a methyl-substituted benzimidazolonedioxazine pigment |
| 04/23/2002 | US6375732 Pigments, the process of their manufacturing and their use |
| 04/18/2002 | WO2001077112A3 Photochromic spiro(indoline)naphthoxazines |
| 03/28/2002 | WO2001074968A3 Saccharide sensing molecules having enhanced fluorescent properties |
| 03/19/2002 | US6359131 Process for preparing dioxazine compounds |
| 03/19/2002 | US6359122 Quinacridone, indigo, dioxazine or azo dyes |
| 03/14/2002 | WO2002020670A1 Oxazine derivatives |
| 03/12/2002 | US6355795 Triphendioxazine compounds |
| 03/06/2002 | EP1183260A1 Triphendioxazine compounds |
| 02/07/2002 | US20020014183 Pigmentary copper phthalocyanine solid solution and transparent dispersion comprising it |
| 02/07/2002 | US20020014179 Thermally treating a liquid prepigment suspension in a microreactor |
| 01/24/2002 | US20020010279 Napthalimide boronate derivatives and substituted chlorobenzophenoxazinone boronate derivatives |
| 01/17/2002 | WO2002004563A1 Pigmentary copper phthalocyanine solid solution and transparent dispersion comprising it |
| 01/16/2002 | EP1172418A2 Dye compounds having a terminal hydroxy, carboxylic acid/ester or amino group |
| 01/16/2002 | EP1172417A2 Process of making finely divided opaque particles |
| 01/10/2002 | DE10031558A1 Verfahren zur Konditionierung von organischen Pigmenten A process for conditioning organic pigments |
| 01/09/2002 | CN1330116A Conditioning of organic pigment |
| 01/02/2002 | EP1167461A2 Process for conditioning organic pigments |
| 12/20/2001 | WO2001074968A8 Saccharide sensing molecules having enhanced fluorescent properties |
| 12/05/2001 | EP1159254A1 Oxyalkylene-substituted aminophenol intermediate |
| 11/20/2001 | US6319289 Organic compounds |
| 11/08/2001 | WO2001083621A2 Sulfonated [8,9]benzophenoxazine dyes and the use of their labelled conjugates |
| 11/08/2001 | US20010039358 Chromophores containing carbamate groups exhibiting high fluorescence in ultraviolet range; heat sensitive, photosensitive, chemosensitive recording material; photoluminescence, electroluminescence |
| 10/18/2001 | WO2001077112A2 Photochromic spiro(indoline)naphthoxazines |
| 10/18/2001 | US20010031864 Preparation of pigments |
| 10/18/2001 | US20010031863 Preparing symmetrically disubstituted triphendioxazine compounds by cyclizing amino substituted benzoquinone intermediates in the presence of manganese oxide and sulfuric acid |
| 10/16/2001 | US6302923 Triphendioxazine compounds |
| 10/11/2001 | WO2001074968A2 Saccharide sensing molecules having enhanced fluorescent properties |
| 09/12/2001 | EP1132432A2 Preparation process of pigments |
| 09/05/2001 | CN1311862A Photochromic ophthalmic lens |
| 09/04/2001 | US6284889 Chromophoric compounds and process for their preparation |
| 08/29/2001 | EP0658095B1 Process for dyeing keratin-containing fibres |
| 08/28/2001 | US6281339 Addition products of acryloylamino-substituted dyes, and the preparation and use thereof |
| 08/22/2001 | EP1125986A2 New Triphendioxazine pigments |
| 08/07/2001 | US6271401 Fluorescent anthraquinoid pigments |
| 08/01/2001 | EP1120421A2 New triphendioxazine compounds |
| 08/01/2001 | EP1120420A2 New triphendioxazine compounds |
| 07/17/2001 | US6261359 Soluble chromophores |
| 07/03/2001 | US6255482 Triphendioxazine compounds |
| 05/29/2001 | CA2142091C Process for dyeing keratin-containing fibres |
| 05/23/2001 | EP1101129A1 Photochromic ophthalmic lens |
| 05/16/2001 | CN1295601A Triphendioxazine dyestuffs for dyeing organic substrates |
| 05/16/2001 | CN1065743C Process for dyeing keratin-containing fibres |
| 04/25/2001 | EP0885263B1 Benzophenoxazine dyes |