| Patents for C09B 51 - Nitro or nitroso dyes (412) |
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| 06/20/2000 | US6076777 Positioning device for a mobile phone |
| 04/27/2000 | DE19847192A1 Colorant for fibers, especially human hair, contains 4-nitrophenyl-N-heterocyclic, -cycloalkane, -alkoxyalkane or -amine compound |
| 04/20/2000 | WO2000021496A1 Agent and method for dyeing fibres |
| 01/19/2000 | EP0971681A1 Means and method for dying and coloring keratin fibers |
| 11/23/1999 | US5990355 Substituted diaminophenols, process for their preparation, and hair dyes containing such compounds |
| 04/28/1999 | EP0910332A2 Dyes |
| 04/06/1999 | US5891199 Polymer dyestuffs and their use for dyeing fibres |
| 02/23/1999 | US5874618 Reacting 2-nitro-paraphenylenediamines substituted at 5-position by halogen atom with mercaptan derivative or salt in a solvent, further oxidizing for sulfur; useful as hair dye; reduced allergies; washing stability |
| 01/20/1999 | EP0765154B1 Direct-acting hair colouring agent |
| 01/07/1999 | EP0888768A2 Hair-dye |
| 01/07/1999 | EP0888363A1 Siloxane dyes, compositions containing same and uses thereof |
| 09/30/1998 | EP0772651B1 Nitro dyes |
| 09/11/1998 | WO1998038976A1 Means and method for dying and coloring keratin fibers |
| 09/10/1998 | DE19708497A1 Mittel und Verfahren zum Färben und Tönen keratinischer Fasern Agents and methods for coloring and tinting keratin fibers |
| 07/16/1998 | DE19719604A1 Hair dye, for human hair, that are easier to formulate and apply |
| 07/16/1998 | DE19719603A1 Hair dyes |
| 04/15/1998 | EP0629221B1 Colouring agents for natural and synthetic fibres |
| 04/14/1998 | US5739343 Dyeing or printing textiles; lightfastness |
| 04/09/1998 | WO1998001105A3 Dyes |
| 04/07/1998 | US5735910 2-nitro-paraphenylenediamines substituted by sulphur in the 5-position, the process for their preparation, dyeing compositions in which they are present and their use in the dyeing of keratin fibres |
| 03/04/1998 | EP0758963B1 Positioning device for a mobile phone |
| 02/03/1998 | US5714304 Nonlinear optical media of organosilicon crosslinked polymer |
| 01/15/1998 | WO1998001105A2 Dyes |
| 01/08/1998 | DE19728336A1 Hair dyeing composition containing direct 2-nitro-aniline dye |
| 01/08/1998 | DE19728143A1 Hair dyeing compositions containing direct 4-nitro-aniline dye |
| 01/07/1998 | EP0814755A1 Polymer dyestuffs and their use for dyeing fibres |
| 01/06/1998 | US5705649 Using (7-nitrobenz-2-oxa-1,3-diazol-4-yl)amino alkanoic acid derivative fluorescent dyes |
| 11/12/1997 | EP0806198A2 Dyeing composition |
| 11/11/1997 | US5685881 Aromatic allylaminonitro compounds, hair dye compositions containing aromatic allylaminonitio compounds, and synthetic and natural fiber dyeing process |
| 10/21/1997 | CA2011642C Benzoxazine dyes |
| 10/14/1997 | US5676706 Hydrogen peroxide-free hair colors; colorfastness |
| 09/25/1997 | WO1997034904A1 Siloxane dyes, compositions containing same and uses thereof |
| 09/03/1997 | EP0708634B1 Dyes containing tetraaminopyrimidine and direct-dyeing agents |
| 09/03/1997 | EP0646109B1 Novel hydroxyethylated 2-nitro-p-phenylenediamines and use thereof for dyeing keratin fibres |
| 09/02/1997 | US5663308 Organosilicon polymers, and dyes, exhibiting nonlinear optical response |
| 08/06/1997 | CN1156470A Nitro dyes |
| 07/29/1997 | CA1339149C Nitroaniline dyes with a cyano substituent group |
| 06/18/1997 | EP0684810B1 Use of 1,8-dihydroxynaphthalenes as oxidation dye preliminary products in oxidation dyeing agents |
| 06/11/1997 | EP0778019A1 Oxidation hair dye |
| 05/14/1997 | EP0772651A1 Nitro dyes |
| 04/23/1997 | EP0629187B1 Direct-dyeing colouring agents for natural and synthetic fibres |
| 04/16/1997 | EP0592396B1 Benzoxazine dyes |
| 04/02/1997 | EP0765154A1 Direct-acting hair colouring agent |
| 02/26/1997 | EP0758963A1 Positioning device for a mobile phone |
| 02/25/1997 | US5605726 Organosilicon polymers, and dyes, exhibiting nonlinear optical response |
| 11/27/1996 | EP0743848A1 2-fluoro-6-nitroanilines |
| 11/05/1996 | CA1338689C Sulfur-containing nitroaminobenzene dyes, process and hair dye compositions |
| 10/31/1996 | WO1996033885A1 Positioning device for a mobile phone |
| 09/26/1996 | WO1996029046A1 Polymer dyestuffs and their use for dyeing fibres |
| 09/26/1996 | DE19510312A1 Polymere Farbstoffe Polymeric dyes |
| 08/14/1996 | EP0671900B1 Allylamino-nitroaromates |
| 06/12/1996 | EP0594811B1 Oxidation hair dye based on a creamy carrier and process for dyeing hair |
| 05/14/1996 | US5516942 Direct dyes for hair for yellow or purple |
| 05/01/1996 | EP0709365A1 Substituted 2,4-diaminophenols, process for their preparation and hair dyes containing them |
| 05/01/1996 | EP0708634A1 Dyes containing tetraaminopyrimidine and direct-dyeing agents |
| 04/02/1996 | US5503666 Dyestuffs and their use in inks for ink-jet printing processes |
| 03/19/1996 | US5500022 Process for dyeing keratinous fibres with 2,6-dimethyl-1,4-diaminobenzene and/or 2,3-dimethyl-1,4-diaminobenzene and/or 2,6-diethyl-1,4-diaminobenzene in an acid medium and compositions employed |
| 02/08/1996 | WO1996003463A1 Nitro dyes |
| 02/08/1996 | CA2195477A1 Nitro dyes |
| 01/25/1996 | DE4425794A1 Nitrofarbstoffe Nitro dyes |
| 01/23/1996 | US5486629 Direct dyes having a quaternary center with a long aliphatic chain |
| 01/16/1996 | US5484708 Method for the colorimetric determination of an analyte with a PQQ-dependent dehydrogenase |
| 01/02/1996 | US5480459 Oxidative hair dye based on a creamlike carrier composition as well as process for the dyeing of hair |
| 12/21/1995 | WO1995034273A1 Direct-acting hair colouring agent |
| 12/06/1995 | EP0684810A1 Use of 1,8-dihydroxynaphthalenes as oxidation dye preliminary products in oxidation dyeing agents. |
| 10/18/1995 | EP0677557A1 Dyes and the use thereof in inks for ink jet printing process |
| 09/27/1995 | EP0673926A1 2-Nitro-p-phenylenediamines having a sulfur atom in position 5, process for their preparation, dye compositions containing them and their use for dyeing keratinic fibres |
| 09/20/1995 | EP0671900A1 Allylamino-nitroaromates. |
| 08/17/1995 | WO1995021603A1 2-fluoro-6-nitroanilines |
| 08/17/1995 | DE4404198A1 2-Fluor-6-nitroaniline 2-fluoro-6-nitroaniline |
| 07/20/1995 | DE4400757A1 Hair dye with good tolerability and long-lasting result |
| 05/11/1995 | DE3546824C2 New hydroxy-propylamino bis-hydroxy-ethyl-amino-nitro- benzene dye |
| 04/05/1995 | EP0646109A1 Novel hydroxyethylated 2-nitro-p-phenylenediamines and use thereof for dyeing keratin fibres. |
| 02/15/1995 | CN1098745A Method for the colorimetric determination of an analyte with a PQQ-dependent dehydrogenase |
| 01/19/1995 | WO1995001713A1 Dyes containing tetraaminopyrimidine and direct-dyeing agents |
| 01/05/1995 | WO1995000109A1 Use of n-allylamino aromatics in oxidative dyes |
| 12/21/1994 | EP0629221A1 Colouring agents for natural and synthetic fibres |
| 12/21/1994 | EP0629187A1 Direct-dyeing colouring agents for natural and synthetic fibres. |
| 12/21/1994 | EP0578665B1 Hair colourants with direct dyes |
| 10/19/1994 | EP0620283A1 Method for colourimetric determination of an analyte by using a PQQ-dependent dehydrogenase |
| 10/09/1994 | CA2120453A1 Method for the colorimetric determination of an analyte with a pqq-dependent dehydrogenase |
| 09/01/1994 | WO1994018937A1 Use of 1,8-dihydroxynaphthalenes as oxidation dye preliminary products in oxidation dyeing agents |
| 07/28/1994 | DE3250069C2 Dye compsn. for keratinous fibre, esp. human hair |
| 06/09/1994 | WO1994012149A1 Allylamino-nitroaromates |
| 06/09/1994 | DE4240425A1 Use of nitro-substd. heterocyclic thione(s) as direct dyes - for natural or synthetic fibres, esp. human hair, giving fast, strong and levels orange to yellow shades |
| 04/20/1994 | EP0592396A1 Benzoxazine dyes. |
| 03/29/1994 | US5298588 Organosilicon polymers, and dyes, exhibiting nonlinear optical response |
| 03/10/1994 | DE4229493A1 Prepn. of 2-(2'-hydroxyethyl-)amino-4,6-di:nitro phenol(s) - by reacting picramic acid with chloro:formic acid beta-chloro:ethyl ester in the presence of base-mono:ethylene glycol di:methyl:ether water mixt. and then reacting with alkali(ne earth) hydroxide |
| 02/03/1994 | WO1994002116A1 Nitroindazolinones as colorants for natural and synthetic fibres |
| 01/27/1994 | DE4224363A1 Nitroindazolinone als Färbemittel für Fasern natürlichen Ursprungs und synthetische Fasern Nitroindazolinone as a coloring agent for fibers of natural origin and synthetic fibers |
| 01/19/1994 | EP0578665A1 Hair colourants with direct dyes. |
| 01/06/1994 | WO1994000415A1 Novel hydroxyethylated 2-nitro-p-phenylenediamines and use thereof for dyeing keratin fibres |
| 01/06/1994 | CA2138390A1 Novel hydroxyethylated 2-nitro p-phenylenediamines and use thereof for dyeing keratin fibers |
| 12/28/1993 | US5273906 Protein staining compositions and methods |
| 12/07/1993 | CA1325007C Lightfast disperse dyestuffs |
| 11/25/1993 | WO1993023006A1 Oxidation hair dye based on a creamy carrier and process for dyeing hair |
| 11/25/1993 | DE4216381A1 Oxidationshaarfärbemittel auf der Basis einer cremeförmigen Trägermasse und Verfahren zum Färben von Haaren Oxidation hair on the basis of a creamy carrier composition and method for coloring hair |
| 11/09/1993 | US5260488 Hair dye |
| 10/19/1993 | US5254655 Organosilicon polymers, and dyes, exhibiting nonlinear optical response |
| 09/21/1993 | US5246466 2-Nitroresorcinol with a color modifier; brown shades |