Patents for C09B 17 - Azine dyes (304)
02/1996
02/21/1996CN1117265A Cationic dyes for keratin-containing fibres
11/1995
11/15/1995EP0682087A1 New pigment salts and their use for dyeing and pigmenting
11/15/1995EP0681464A1 Cationic dyes for keratin-containing fibres
11/08/1995EP0681210A1 Novel developing agents for (photo) thermographic systems
11/07/1995US5464923 Polymer compositions containing substituted biphenyl pyrazines
11/05/1995CA2148309A1 Pigment salts and their use for dyeing and pigmenting
09/1995
09/13/1995EP0671393A1 Monoaminophenazine leuco dyes and photothermographic materials containing same
06/1995
06/27/1995US5428161 Having at least one electron-withdrawing substituent on at least one of the groups attached to the amine groups at the 3- and 7-positions
06/08/1995WO1995015144A1 Cationic dyes for keratin-containing fibres
11/1994
11/17/1994EP0441976B1 3,6-diamino-2,5-pyrazinedicarbonitrile and production thereof
09/1994
09/29/1994WO1994021636A1 Pterin derivatives and their use for the preparation of immunoassays
06/1994
06/15/1994EP0602009A2 Heterocyclic compounds
05/1994
05/31/1994US5317102 Manufactured from thio-substituted 2,3-diaminoacrylonitrile compounds
03/1994
03/15/1994US5294711 3,6-diamino-2,5-pyrazinedicarbonitrile
01/1994
01/26/1994EP0579835A1 Wavelength conversion material for agriculture
01/25/1994US5281709 Production of an azine dye having excellent heat- and light-resistance
01/11/1994CA1325914C Photothermographic emulsions having stable color forming developers
08/1993
08/31/1993US5241068 Intermediates for dyes and pigments for coloring plastics; especially polystyrene and polymethyl methacrylate
07/1993
07/13/1993US5227359 Pyrazoloazole dyes
05/1993
05/27/1993WO1993009664A1 Wavelength conversion material for agriculture
04/1993
04/06/1993US5200292 Light-sensitive composition consisting essentially of, in admixture a nonionic aromatic diazo compound and a cationic dye/borate anion complex
11/1992
11/19/1992DE4215654A1 Indolo:quinoxaline, benzothieno:quinoxaline and indeno:quinoxaline cpds. for use as disperse dyestuff - prepd. by heating 1-acyl-2-(4-amino:phenyl:imino)-3:di:cyano:vinyl-indoline cpd. to elevated temp. used esp. for polyester fibre dyeing
04/1992
04/01/1992EP0477528A1 Piperazine-2,5-dione and piperazine-2-one derivatives
03/1992
03/31/1992US5101032 Sensitizers for photopolymerization and electrography
03/24/1992US5098474 A vehicle and a solvent for dyes in printing inks for bonding with amines
02/1992
02/05/1992EP0469544A2 Production process of an azine dye having excellent heat- and light-resistance
02/01/1992CA2046939A1 Production of an azine dye having excellent heat- and light-resistance
10/1991
10/15/1991US5057393 Complexed with cationic dyes
08/1991
08/21/1991EP0441976A1 3,6-diamino-2,5-pyrazinedicarbonitrile and production thereof
06/1991
06/11/1991CA1284740C Photosensitive materials containing ionic dye compounds as initiators
05/1991
05/08/1991EP0425976A2 Cycloalkylidene dye-stuffs
04/1991
04/18/1991DE3933932A1 Di:hydroxy-di:benzo-phenazine(s) - prepd. by heating corresp. di:sulphonic acids or their salts in alkaline alcoholic medium, e.g. in mixt. of glycol and alkali hydroxide
03/1991
03/21/1991WO1991003469A1 3,6-diamino-2,5-pyrazinedicarbonitrile and production thereof
01/1991
01/16/1991EP0408322A1 Dye-Borate complexes
01/16/1991EP0408227A1 Photohardenable or photosoftenable compositions
01/09/1991EP0407228A1 Dye-borate complexes
12/1990
12/27/1990EP0403812A2 Diketopiperazine derivatives, their preparation and their use as dyestuff
09/1990
09/12/1990EP0387087A2 Photoinitiator compositions, photohardenable compositions and photosensitive microcapsules
09/09/1990CA2009652A1 Photoinitiator compositions containing disulfides and photohardenable compositions containing the same
07/1990
07/25/1990EP0379157A1 Light-sensitive composition
07/17/1990CA2007996A1 Light-sensitive composition
05/1990
05/30/1990EP0244399B1 Novel phenazine dyes
05/23/1990EP0369643A2 Ink-jet printing inks
12/1989
12/26/1989US4889932 Thermography; coatings
11/1989
11/08/1989CN1036976A Radiation-curable ink and coating compositions containing ionic dye compounds as initiators
11/02/1989EP0339869A2 Novel phenazine dyes
09/1989
09/12/1989US4865942 Cyanine dyes
08/1989
08/17/1989DE3903159A1 Organic compounds
02/1989
02/01/1989EP0301769A2 Radiation-curable compositions and their use for printing and coating
11/1988
11/01/1988US4782010 Organic silver salt
10/1988
10/18/1988CA1243317A1 Thermographic system using naphthoylated leuco phenazine dyes
10/04/1988US4775754 Reacting dicyclohexylcarbodiimide adduct with an oxazine, thiazine or phenazine compound
09/1988
09/21/1988CN88100324A Lamination of transparent or translucent materials using ionic dye-counter ion complexes
09/20/1988US4772541 Sensitive at longer wavelengths
08/1988
08/24/1988EP0279461A2 Immunological method for the determination of antigens or antibodies in biological fluids, and dyes therefor
08/03/1988EP0277034A2 Lamination of two substrates
07/1988
07/06/1988EP0273587A2 Photothermographic emulsions having stable colour forming developers
06/1988
06/14/1988US4751102 Radiation-curable ink and coating compositions containing ionic dye compounds as initiators
02/1988
02/23/1988US4727190 Oxidation of benzophenone-imines
12/1987
12/01/1987US4710570 Azine redox dyes and leuco azine dyes
11/1987
11/12/1987DE3615571A1 Toners for electrophotography
11/11/1987EP0244399A1 Novel phenazine dyes.
05/1987
05/19/1987US4666526 Azine pigments, processes for their preparation, and their use
04/1987
04/09/1987WO1987002048A1 Novel phenazine dyes
03/1987
03/12/1987DE3531774A1 Cationic azine dyes
03/03/1987US4647525 Stabilized leuco phenazine dyes and their use in an imaging system
11/1986
11/25/1986US4624709 Nigrosine dyes and process for preparing same
11/12/1986CA1213891A Color-forming sulfonamidodiphenylamine dye precursor that produces phenazine dye
05/1986
05/14/1986EP0181085A1 Stabilized leuco phenazine dyes and their use in an imaging system
04/1986
04/09/1986EP0177317A1 Azine redox dyes and leuco azine dyes
01/1986
01/07/1986US4563415 Thermographic system using naphthoylated leuco phenazine dyes
08/1985
08/14/1985EP0151393A2 Azine pigments, their preparation process and their use
03/1985
03/26/1985US4507479 Color-forming sulfonamidodiphenylamine dye precursor that produces phenazine dye
11/1984
11/07/1984EP0124296A1 Thermographic system using naphthoylated leuco phenazine dyes
06/1984
06/05/1984CA1168501A1 Photographic materials and processes comprising color- forming sulfonamidodiphenylamine dye precursors and corresponding phenazine dyes
11/1983
11/09/1983EP0093556A2 Dye precursors, photographic elements containing them and methods of image formation
10/1983
10/25/1983US4411984 Dye precursors and their use in photographic materials and processes
07/1983
07/19/1983US4394487 Adsorbent for the affinity-specific separation of macromolecular materials
04/1983
04/19/1983US4380666 Color-forming sulfonamidodiphenylamine dye precursor that produces phenazine dye
03/1983
03/15/1983US4376859 Reacting aniline with nitrobenzene in presence of iron chloride catalysts
01/1983
01/12/1983EP0069584A1 Color-forming sulfonamidodiphenylamines, photographic elements containing them and corresponding phenazine dyes
01/11/1983US4368246 Improved silver image
11/1982
11/16/1982US4359577 Non-pyrophoric nigrosine base
10/1982
10/12/1982CA1133480A1 Sulfoarylated nigrosine dye and use in jet-printing inks
06/1982
06/15/1982US4335226 Polymeric carrier having covalently bonded affine residue group
04/1982
04/20/1982CA1122208A1 Adsorbent for the affinity-specific separation of macromolecular materials
03/1982
03/23/1982US4321178 Water-resistant black flexographic ink
08/1981
08/18/1981US4284774 Sulfoarylated nigrosine dye and use in jet-printing inks
07/1981
07/22/1981EP0032240A2 Process for the manufacture of anilin condensation dyestuffs
05/1981
05/20/1981EP0028699A2 Sulfoarylated nigrosine base, process for preparing this compound, and the jet print ink compositions containing it
02/1981
02/03/1981US4248772 Positively or negatively charged azo compounds containing a ballasting group
12/1980
12/02/1980US4237281 For photographic films
10/1980
10/28/1980US4230855 Method of preparation of improved nigrosine and indulino dyes
09/1980
09/09/1980US4221562 Quaternary ammonium substituted, with glutaraldehyde or glyoxal, for printing cellulose
07/1979
07/31/1979CA1059527A1 Sensitive ph indicator
08/1978
08/22/1978CA1036942A1 Oxidative hair dye compositions containing n-substituted o-phenylenediamines and method for their use
05/1978
05/30/1978US4092478 Triphendioxazine triazinyl dyes having phosphonic acid groups
12/1977
12/13/1977US4062876 Sensitive pH indicator
11/1977
11/01/1977US4056530 From aniline and a nitrobenzene or alkylaniline or diazoaminobenzene, catalyst
05/1977
05/24/1977US4025510 2,4-Diaryl[1,3,4H]thiadiazines fused to quinoxalines
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