Patents for C09B 44 - Azo dyes containing onium groups (862)
12/1987
12/10/1987DE3717869A1 Triazine-containing monoazo compounds
12/01/1987US4710569 Dyeing cellulose fibers; paper
11/1987
11/19/1987DE3715066A1 Basic azo compounds containing and free from sulpho groups
10/1987
10/08/1987DE3611228A1 Cationic azo dyes
09/1987
09/15/1987US4694075 Disazo dyes for paper
09/01/1987CA1226278A1 Water-soluble triazine compounds
08/1987
08/18/1987US4687842 Monoazo compounds having an imidazolium-2 group linked through an azo radical to a substituted phenyl group
08/11/1987US4686285 Basic azo and non-azo compounds having one or two disubstituted 1,3,5-triazine rings each of which is linked through a bridging radical to the 1-position of a pyrazole ring
07/1987
07/30/1987DE3602587A1 Process for the preparation of highly concentrated dye solutions of cationic dyes
06/1987
06/23/1987US4675388 Polymeric azo compounds containing at least four cationic groups
06/16/1987US4673735 Azo compounds having at least one 6-hydroxypyrid-2-one coupling component radical metal complexes thereof and intermediates therefor
06/02/1987US4670546 Disazo and polyazo compounds containing at least two cationic groups in metal-free or 1:1 or 1:2 metal complex form
06/02/1987CA1222510A1 Azo compounds
05/1987
05/12/1987US4665162 1:1 and 1:2 metal complexes of sulfo group-free azo compound having on average at least 1.3 basic water-solubilizing groups
04/1987
04/07/1987US4656256 Benzoazoresorcinol dyes containing a quaternized aminoalkylene oxycarbonyl group
03/1987
03/31/1987US4654384 Basic water-soluble bis-(β-azo-α-naphtholamino)-triazine compounds
03/24/1987US4652632 Naphtholazo benzoylalkylene amines and salts thereof as dyes for acid-modified fibers, leather and paper
03/04/1987EP0212553A2 Process for dyeing paper
02/1987
02/19/1987DE3625576A1 Basic monoazo or disazo compounds containing sulfo groups
01/1987
01/28/1987EP0210139A2 Cationic azo-1,2,3-thiadiazole compounds
01/20/1987US4638053 Process for the preparation of chlorozincate salts of benzo thiazolium azo dyestuffs by alkylating with dialkylsulfate in aqueous medium in the presence of Zn-containing acid acceptor at pH≦7
01/06/1987US4634764 Non-azo and azo compounds containing at least one 4,6-diamino-1-substituted-5-substituted carbamoylpyrid-2-one group
10/1986
10/29/1986EP0198848A1 Anionic Monoazo Compounds of the Benzothiazole Series.
09/1986
09/23/1986CA1211751A1 Organic compounds
08/1986
08/13/1986EP0190586A1 Triazine dyes, their preparation and their use
08/06/1986EP0189836A1 Basic azo dyes
07/1986
07/22/1986CA1208210A1 Benzthiazole compounds, processes for their preparation and their use for dyeing textiles, papers leather and inks
06/1986
06/10/1986US4594410 Azo compounds containing both sulfo groups and basic or cationic groups which compounds are in metal-free or 1:1 metal complex form
05/1986
05/27/1986US4591635 Dyes for leather or paper
05/14/1986EP0180774A1 Process for dyeing porous polyacrylic fibres (PAN)
05/06/1986US4587292 Azo dyes
04/1986
04/08/1986US4581445 Dyeing paper
03/1986
03/27/1986WO1986001815A1 Improvements in or relating to organic compounds
03/19/1986EP0174575A2 Basic dyes, their preparation and their use in dyeing cellulose
01/1986
01/07/1986US4563409 Azo moiety containing metal complexes in toners
12/1985
12/31/1985US4562247 Used to dye textiles, paper, and leather
12/10/1985US4558158 Reacting 4-haloacetoacetarylide with trialkyl-amine at low temperature in presence of polar organic solvent
11/1985
11/27/1985EP0162409A2 Basic azo dyes
11/12/1985US4552983 Dispersable pigments
10/1985
10/30/1985EP0159549A1 Basic azo dyes
10/29/1985US4550158 Metal-free disazo compounds containing at least two basic water-solubilizing groups and having a 1-phenylpyrazole middle component radical and a 6-hydroxyprid-2-one terminal coupling component
06/1985
06/25/1985US4525583 Yellow-orange dye for paper
05/1985
05/15/1985EP0141377A2 Metal complexes
05/14/1985US4517358 Disazo bis-benzthiazolyl compounds
05/14/1985US4517357 Symmetrical bis-(triazinyamino phenyl azo acetoacetanilide) dyestuffs
04/1985
04/09/1985US4509948 Cationic mono- and dis-azo dyestuffs, and their preparation and use for dyeing paper and cationic dyeable substrates
03/1985
03/05/1985US4502862 Cationic polyazo dyestuffs, their stable solutions, their preparation, and their use
02/1985
02/19/1985US4500715 Chemical intermediates for plant safening agents and dyes
02/05/1985US4497735 Arylide azopigments formed by coupling a diazoryl compound with an omega-ammoniumacetoactic acid derivative
12/1984
12/27/1984CA1180007A Organic compounds
12/04/1984US4486348 Yellow color on paper
11/1984
11/20/1984US4483796 Sulfo group-free disazo and polyazo compounds containing two 1-phenylpyrazol-5-one coupling component radicals and at least two basic or cationic groups
11/06/1984CA1177482A1 Organic compounds
10/1984
10/24/1984EP0122458A1 Azo compounds
10/02/1984US4474609 Recrystallization-resistant monoazo pigment mixtures of high tinctorial strength, process for their preparation and their use
08/1984
08/28/1984US4468349 Process for the preparation of solutions of cationic azo dyestuffs
08/28/1984US4468347 Sulfo group-free disazo and polyazo compounds containing at least two basic or cationic group and which are in metal-free or 2:1 metal complex form
08/22/1984EP0116513A2 Water soluble triazine compounds
08/15/1984EP0115818A2 Cationic polyazo-dyestuffs, their stabilized solutions, their preparation and use
08/14/1984US4465627 Sulfo group-free disazo, trisazo and tetrakisazo compounds containing at lease one basic or cationic group
04/1984
04/04/1984EP0105031A2 Cationic azo dyestuffs
03/1984
03/28/1984EP0103739A2 Cationic dyestuffs, their preparation and their use
03/06/1984US4435334 Couplers for azo dyes
02/1984
02/21/1984US4432900 Cationic dyestuff printing inks
02/21/1984US4432899 Preparing concentrated azo dye solutions using nitrite salt as both coupling component and diazotizing agent
01/1984
01/18/1984EP0098430A2 Triazine compounds, their preparation and their use
01/04/1984EP0097232A2 Process for the preparation of 4-(trialkylammonium)-aceto-acetarylides
11/1983
11/16/1983EP0093829A1 Sulphofree basic azo compounds in metal-free 1:1 or 1:2 metal complex form
11/16/1983EP0093828A1 Sulpho-free basic azo compounds in metal-free or 1:1 or 1:2 metal complex form
10/1983
10/26/1983EP0092520A2 Basic compounds, their preparation and their use
09/1983
09/07/1983EP0087709A1 N,N',N"-triaryl-1,2,3-triaminopropane derivatives, process for their preparation and their use as intermediates
08/1983
08/16/1983US4399068 Concentrated, aqueous solutions of salts of acetoacetylamino-arylsulphonic acids and method of forming concentrated solutions of azo dyestuffs therefrom
07/1983
07/27/1983EP0084372A2 Benzothiazole compounds, process for their preparation and their use as dyestuffs for textile materials, paper, leather and inks
07/12/1983US4392998 Coupling at acid ph
05/1983
05/31/1983US4386149 Ballasted dye residue
05/10/1983US4382801 Process for spin dyeing polymers or copolymers of acrylonitrile with quaternized heterocyclic diazo dye and tetrafluoro-borate anion
04/1983
04/06/1983EP0075773A1 Dyestuffs, their preparation and their use
03/1983
03/23/1983EP0074589A2 Triazine dyes, their preparation and their use
01/1983
01/04/1983US4367172 Disazo dyes containing at least one sulfo group and at least two basic or cationic groups
12/1982
12/21/1982US4364738 Cationic dyes
12/21/1982CA1137980A1 Azo dyes
12/14/1982US4363761 Dyeing cellulose and leather; textiles; papermaking
11/1982
11/02/1982CA1134817A1 Azo compounds
10/1982
10/27/1982EP0063261A2 Cationic azo dyestuffs, their preparation and their use
10/20/1982EP0062825A2 Water-soluble triazine compounds, their preparation and their use
10/20/1982EP0062824A2 Cationic azo dyestuffs containing sulfonic-acid groups, their preparation and their use
09/1982
09/14/1982US4349670 Process for the preparation of cationic dyestuffs
08/1982
08/11/1982EP0057245A2 Cationic triazine dyestuffs, their preparation and their use
08/10/1982US4343936 Alkylation of azo base
08/04/1982EP0057159A2 Azo dyestuffs
08/03/1982US4342867 Process for the preparation of cationic dyestuffs
07/1982
07/28/1982EP0056578A2 Process for the manufacture of cationic azodye solutions
07/28/1982EP0056574A1 Naphthalenesulfonic acid compounds, their preparation and use as coupling components
07/27/1982US4341853 Spectral sensitization of organic photoconductors with diazastryl dyes
07/20/1982US4340386 Cationic dyestuff printing inks
06/1982
06/30/1982EP0055224A2 Process for spun-dyeing polymers or copolymers of acrylonitrile
06/30/1982EP0055221A2 Monocationic dyestuff salts
06/30/1982EP0054859A1 Naphthalene derivatives, their preparation and their use
06/30/1982EP0054616A2 Cationic triazine dyestuffs, their preparation and process of dying
06/08/1982US4333874 Cationic triazinylamino azo dyestuffs
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