| Patents for C09B 44 - Azo dyes containing onium groups (862) |
|---|
| 07/14/2004 | CN1513173A Optical data carrier containing a cyclizable compound in the information layer |
| 07/14/2004 | CN1513172A An optica data storage medium containing diaze hemicyanine dye as light-absorbing compound in infomration layer |
| 07/14/2004 | CN1513171A Optical data carrier containing dye in the information layer as light-absorbing compound |
| 07/14/2004 | CN1513034A Basic mono-and bisazo compounds |
| 07/14/2004 | CN1512874A Novel dyeing composition for dyeing-keratinous fibers comprising particular dicationic diazo dye |
| 07/13/2004 | US6762287 Storage stable concentrates; red shades; dyeing paper, leather and glass fibers |
| 07/01/2004 | US20040127692 direct dyes, e.g., 2-(4-amino-N-(4-(N-pyrrolophenyl))phenylazo)-1,3-dimethyl-3H-imidazol-1-ium acetate and 2-(4-amino-N-(4-(N-(2-methyl-5-phenyl)pyrrolophenyl))phenylazo)-1,4,6-trimethylpyridin-1-ium chloride |
| 07/01/2004 | US20040123400 Human hair; using mixture of dye with oxidizer and coupler |
| 06/30/2004 | EP1433473A1 Dyeing composition containing a specific polycationic direct dye, method of dyeing, use and multicompartment device |
| 06/23/2004 | EP1430102A1 Cationic reactive dyes |
| 06/10/2004 | US20040107513 2-[4-(3-Hydroxypyrrolidine-1-yl)phenylazo)-1,3-dimethyl-3H-imidazol-1-ium perchlorate, for example; chromatic direct dyes; oxidation hair dyes; colorfastness; washfastness; stability; waterproofing |
| 06/02/2004 | EP1317512B1 Bisazo dyestuffs based on hydroxynaphthalene carboxylic acid |
| 06/01/2004 | US6743901 Preparation of liquid formulations of basic azo dyes |
| 05/20/2004 | US20040093676 Chromatic direct dyes |
| 05/20/2004 | US20040093675 Dyeing composition for dyeing kerationou fibres comprising a cationic azo-dye |
| 05/18/2004 | US6737142 Optical data store comprising an axially substituted cobalt phthalocyanine in the light-writeable information layer |
| 05/12/2004 | EP1416909A2 Dyeing composition for keratinous fibres comprising a particular dicationic diazo dye |
| 04/27/2004 | US6726972 Optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer |
| 04/21/2004 | EP1408919A2 Novel dyeing composition for dyeing keratinous fibres comprising a particular dicationic monoazo dye |
| 04/21/2004 | EP1261666B1 A method of colouring hair using cationic dyes |
| 04/08/2004 | DE3715066B4 Sulfonsäuregruppenfreie und sulfonsäuregruppenhaltige basische Azoverbindungen, Verfahren zur Herstellung der Verbindungen und ihre Verwendung Sulfonsäuregruppenfreie sulfonic acid and basic azo compounds, process for preparing the compounds and their use |
| 04/07/2004 | EP1404762A1 A method of coloring hair using cationic dyes |
| 03/30/2004 | US6713146 Singly recordable compact disc (cd-r) |
| 03/24/2004 | EP1399117A1 Dyeing composition for keratinous fibres comprising a particular dicationic diazo dye |
| 03/17/2004 | EP1398355A1 Composition for dyeing keratinous fibres comprising a monoazo monocationic dye |
| 03/17/2004 | EP1397434A1 Basic mono- and bisazo compounds |
| 03/11/2004 | US20040049020 Especially for dyeing paper; red dyeings with good fastness |
| 03/09/2004 | CA2153332C Cationic dyes for keratin-containing fibres |
| 02/19/2004 | WO2002100369A3 Dyeing composition for keratinous fibres comprising a particular dicationic diazo dye |
| 02/19/2004 | WO2002080869A3 Novel dyeing composition for dyeing keratinous fibres comprising a particular dicationic monoazo dye |
| 02/05/2004 | WO2003076518A3 Process for exchanging the anions of cationic compounds |
| 02/04/2004 | EP1386318A1 An optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer |
| 02/04/2004 | EP1386317A1 Optical data carrier that contains a cyanine dye as the light-absorbing compound in the information layer |
| 01/22/2004 | US20040010866 Colors materials comprising azo dyes having colorfastness, used for dyeing natural or synthetic fibers |
| 01/13/2004 | US6676749 Method for preparing layered perovskite compound thin film with organic ammonium layers and inorganic layers |
| 01/08/2004 | WO2002080164A9 Optical recording medium |
| 01/07/2004 | EP1377978A2 Optical data carrier whose information layer contains a light-absorbing compound having a number of chromophoric centers |
| 01/07/2004 | EP1377976A2 Optical data carrier that contains a merocyanine dye as the light-absorbing compound in the information layer |
| 01/07/2004 | EP1377975A2 Optical data medium containing, in the information layer, a dye as a lightabsorbing compound and having a protective covering layer of predetermined thickness |
| 01/07/2004 | EP1377974A1 Optical data carrier containing a xanthene dye in the information layer thereof as a light-absorbing compound |
| 01/07/2004 | EP1377973A1 Optical data memories containing an axially substituted co-phthalocyanine in the information layer that can be written with light |
| 01/07/2004 | EP1377971A1 Optical data carrier that contains a cationic aminoheterocyclic dye as the light-absorbing compound in the information layer |
| 01/07/2004 | EP1377970A1 Optical data carrier containing a cyclizable compound in the information layer |
| 01/07/2004 | EP1377968A2 Optical data carrier that contains a heterocyclic azo dye as the light-absorbing compound in the information layer |
| 01/07/2004 | EP1377265A1 Dyeing composition for dyeing keratinous fibres comprising a cationic azo-dye |
| 01/07/2004 | EP1377264A1 Dyeing composition for dyeing keratinous fibres comprising a cationic azo-dye |
| 01/07/2004 | EP1377263A2 Novel dyeing composition for dyeing keratinous fibres comprising a particular dicationic diazo dye |
| 01/07/2004 | EP1377262A1 Dyeing composition for dyeing keratinous fibres comprising a cationic azo-dye |
| 01/07/2004 | EP1377261A1 Dyeing composition for dyeing keratinous fibres comprising a cationic azo-dye |
| 01/02/2004 | EP1374234A1 Optical data support comprising a hemicyanin dye in the information layer as light-absorbing compound |
| 01/02/2004 | EP1374233A1 Optical data carrier that contains a triazacyanine dye as the light-absorbing compound in the information layer g |
| 12/17/2003 | CN1462435A Optical data carrier containing phthalocyanine colouring agent as light absorbing compound in information layer |
| 12/17/2003 | CN1462358A Optical data storage device containing Co-Phthalocyanin complex in optically writable information layer |
| 11/12/2003 | CN1455803A Bisazo dyestuffs based on hydroxynaphthalene carboxylic acid |
| 11/04/2003 | US6641889 Optical data storage medium containing a triazacyanine dye as the light-absorbing compound in the information layer |
| 10/23/2003 | WO2002080150A3 Optical data medium containing, in the information layer, a dye as a lightabsorbing compound and having a protective covering layer of predetermined thickness |
| 10/15/2003 | EP1352929A1 Process for the manufacture of liquid preparations of basic azo dyes |
| 10/15/2003 | EP1352928A1 Process for the manufacture of liquid preparations of basic azo dyes |
| 10/11/2003 | CA2424959A1 Preparation of liquid formulations of basic azo dyes |
| 09/25/2003 | US20030177591 Method of dyeing keratin-containing fibers |
| 09/18/2003 | WO2003076518A2 Process for exchanging the anions of cationic compounds |
| 09/04/2003 | WO2003072657A1 Process for the preparation of cationic azo compounds |
| 09/02/2003 | US6613102 As thickening polymer nonionic guar gums; biopolysaccharide gums of microbial origin; |
| 08/28/2003 | WO2003030158A3 Optical data medium containing; in the information layer, a dye as a light-absorbing compound |
| 08/12/2003 | US6605653 Ink jet printing method |
| 07/30/2003 | CN1116366C Pyridone-methide azo dyestuffs |
| 07/09/2003 | EP1325085A1 Cationic imidazole azo dyes |
| 07/09/2003 | EP1324741A1 Method of dyeing keratin-containing fibres |
| 07/02/2003 | EP1323160A1 Optical data carrier containing a phthalocyanine colouring agent as a light absorbing compound in the information layer |
| 07/02/2003 | EP1322906A1 Optical data storage device containing a co-phthalocyanin complex in the optically writable information layer |
| 06/25/2003 | EP1124903B1 Cationic azo-dyes |
| 06/19/2003 | US20030113665 Optical data medium containing, in the information layer, a dye as a light-absorbing compound |
| 06/12/2003 | US20030106169 Chromatic direct dyes of 2-azo benzimidazole, benzothiazole or benzoxaozle derivatives |
| 06/11/2003 | EP1317512A1 Bisazo dyestuffs based on hydroxynaphthalene carboxylic acid |
| 05/29/2003 | US20030099807 Optical recording medium |
| 05/22/2003 | US20030096192 For application to polycarbonate substrate by spin coating or vapor deposition |
| 04/17/2003 | US20030071268 Optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer |
| 04/16/2003 | CN1411493A Method of colouring hair using cationic dyes |
| 04/16/2003 | CN1410047A Composition containing specific single cation monoazo dye for dyeing human cutin fiber |
| 04/10/2003 | WO2003030158A2 Optical data medium containing; in the information layer, a dye as a light-absorbing compound |
| 04/10/2003 | WO2003029359A1 Cationic reactive dyes |
| 04/10/2003 | WO2002078596A3 Novel dyeing composition for dyeing keratinous fibres comprising a particular dicationic diazo dye |
| 04/10/2003 | US20030066143 Cationic hair dye |
| 04/03/2003 | US20030064192 Optical data carrier comprising a phthalocyanine dye as light-absorbent compound in the information layer |
| 04/02/2003 | EP1297819A2 Composition for dyeing keratinous fibres comprising a cationic azo dye |
| 03/26/2003 | CA2405024A1 Composition for the dyeing of human keratinic fibres which contains a specific monoazoic and monocationic dye |
| 03/20/2003 | US20030054291 Multilayer; radiation transparent substrate, recording media, reflective layer and protective coatings |
| 03/18/2003 | US6534566 Ink jet ink composition |
| 03/06/2003 | WO2003019548A1 Optical data support containing a phthalocyanine dye in the information layer as light-absorbing compound |
| 02/27/2003 | WO2002086878A3 Optical data carrier whose information layer contains a light-absorbing compound having a number of chromophoric centers |
| 02/25/2003 | US6523950 Ink jet printing method |
| 02/06/2003 | WO2003010239A1 Dyes incorporating anionic and cationic groups |
| 02/06/2003 | CA2452522A1 Dyes incorporating anionic and cationic groups |
| 01/30/2003 | US20030019053 Dye composition for keratin fibres, with a cationic direct dye and a substantive polymer |
| 01/23/2003 | WO2003006554A1 A method of coloring hair using cationic dyes |
| 01/16/2003 | US20030013041 Write-once optical data carrier |
| 01/09/2003 | WO2002080152A3 Optical data carrier that contains a heterocyclic azo dye as the light-absorbing compound in the information layer |
| 01/09/2003 | US20030008234 Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer |
| 01/09/2003 | US20030006516 Radiation transparent subsrates; reflecting layer |
| 01/09/2003 | US20030005525 Composition for dyeing keratin fibers with a cationic direct dye and a thickening polymer |