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