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