Patents for C09B 37 - Azo dyes prepared by coupling the diazotised amine with itself (48)
04/2014
04/29/2014US8709104 Dye-ascorbic acid derivatives
04/22/2014US8702815 Cyanoborate, fluoroalkylphosphate, fluoroalkylborate or imide dyes
11/2013
11/26/2013US8592565 Preparation of azide-modified carbon surfaces for coupling to various species
03/2013
03/12/2013US8394860 Methods and related compositions using specific flavonoids and indanes to reduce weight and inhibit lipase, α-amylase and α-glucosidase activity in mammals
01/2013
01/29/2013US8362090 Methods and related compositions using specific flavonoids and indanes to reduce weight and inhibit lipase, α-amylase and α-glucosidase activity in mammals
11/2012
11/20/2012US8314214 Synthesis of azo bonded immunoregulatory compounds
06/2011
06/21/2011US7963122 Microprism and microrod lenses, method for the production thereof
03/2011
03/02/2011CN1957043B Method for producing a liquid formulation of salts of sulphonic-acid azo dyes
12/2010
12/07/2010US7847073 diazotized, coupled to methyl-substituted phenylenediamine; aminobenzenesulfonic acids; nanofiltration; storage stability
11/2010
11/03/2010EP1756230B1 Method for producing a liquid formulation of salts of sulphonic-acid azo dyes
10/2010
10/26/2010US7819967 subject the organic pigment and high molecular polyvinyl pyrrolidone to heating treatment under flowing through a channel; excellent dispersion stability and inkjet recording ink and a paint
02/2010
02/09/2010US7659313 3-(4-hydroxybenzylidene)-2-(2,5-dihydroxyphenyl)-1-(4-hydroxyphenyl)indane-4,6-diol as lipase, alpha -amylase and alpha -glucosidase inhibitor in a mammal; plant medicine; antiobesity agent
01/2010
01/19/2010US7648943 allowing an aminopyrazole to react with a diazotizing agent to form a diazonium salt, coupling diazonium salt with a coupling agent to form an intermediate, reacting with an alkylating agent, an arylating agent or a heterylating agent in a presence of a base, introducing elecrophilic reaction
05/2009
05/07/2009US20090117341 improved stability, suitable for inkjet printing; high ozone fastness; ink jet printing
02/2009
02/10/2009US7488810 Method for producing a liquid formulation of salts of sulfoacidic azo dyes
10/2007
10/31/2007CN100345910C Method for producing a liquid formulation of salts of sulfoacidic azo dyes
10/04/2007US20070232795 diazotized, coupled to methyl-substituted phenylenediamine; aminobenzenesulfonic acids; nanofiltration; storage stability
09/2007
09/13/2007US20070213514 Method for producing liquid adjustments of basic azo dyes
05/2007
05/02/2007CN1957044A Method for producing liquid adjustments of basic azo dyes
05/02/2007CN1957043A Method for producing a liquid formulation of salts of sulphonic-acid azo dyes
02/2007
02/28/2007EP1756231A1 Method for producing liquid adjustments of basic azo dyes
02/28/2007EP1756230A1 Method for producing a liquid formulation of salts of sulphonic-acid azo dyes
11/2006
11/15/2006EP1567598B1 Method for producing a liquid formulation of salts of sulfoacidic azo dyes
03/2006
03/09/2006US20060052590 Preparing vesuvin from m-phenylenediamine;reacting diazotized aminoarylsulfonic acid with vesuvin to form two dye compounds; isolating the dye compounds in their acid form; dissolving the dye compounds in at least one aqueous base
01/2006
01/04/2006CN1717454A Method for producing a liquid formulation of salts of sulfoacidic azo dyes
12/2005
12/15/2005DE102004025444A1 Verfahren zur Herstellung von Flüssigeinstellungen basischer Azofarbstoffe Process for the preparation of liquid formulations of basic azo dyes
12/08/2005DE102004025443A1 Verfahren zur Herstellung einer Flüssigformulierung von Salzen sulfonsaurer Azofarbstoffe A process for preparing a liquid formulation of salts of sulfonated azo dyes
12/01/2005WO2005113682A1 Method for producing liquid adjustments of basic azo dyes
12/01/2005WO2005113681A1 Method for producing a liquid formulation of salts of sulphonic-acid azo dyes
08/2005
08/31/2005EP1567598A1 Method for producing a liquid formulation of salts of sulfoacidic azo dyes
06/2004
06/10/2004WO2004048478A1 Method for producing a liquid formulation of salts of sulfoacidic azo dyes
06/1998
06/18/1998DE19651797A1 4-amino-2-methylthio-3'-methylthio-azo-benzene
10/1993
10/19/1993US5254674 Diaminoazothiophene compound and a method for preparing the same
08/1990
08/28/1990US4952680 Diazotization, coupling
05/1990
05/08/1990US4923972 Preparation of liquid formulations of basic azo dyes in carboxylic acid solution and subsequent heating
11/1989
11/15/1989EP0341325A1 Process for the manufacture of liquid preparations of basic azodyes
11/15/1989EP0341324A1 Process for the manufacture of colour stable solutions of azo dyes
05/1989
05/09/1989US4829185 Neutron and/or gamma radiation detecting system
09/1988
09/15/1988DE3713618C1 Process for the preparation of colour-stable solutions of azo dyes
09/15/1988DE3713617C1 Process for the preparation of liquid formulations of basic azo dyes
03/1985
03/05/1985US4502862 Cationic polyazo dyestuffs, their stable solutions, their preparation, and their use
08/1984
08/15/1984EP0115818A2 Cationic polyazo-dyestuffs, their stabilized solutions, their preparation and use
08/1983
08/23/1983US4400321 Reacting a diaminobenzene, monoaminobenzene and sodium nitrite
02/1982
02/17/1982EP0045840A1 Method to prepare solutions of cationic polyazo dyestuffs
09/1981
09/30/1981EP0036553A1 Method of preparing liquid compositions of basic azo dyestuffs
06/1981
06/23/1981US4275003 Preparation of aromatic azoamines by diazotization/coupling/rearrangement of aromatic amines
03/1981
03/17/1981CA1097623A1 Process for the preparation of aromatic aminoazo compounds from aromatic amines via diazotisation, coupling and rearrangement
04/1976
04/13/1976US3950347 Naphtholactam dyestuffs