Patents for C09B 57 - Other synthetic dyes of known constitution (5,224)
09/1981
09/16/1981EP0035672A1 Dyes of the isoindoline series and their use
09/15/1981US4289887 Benzofurane benzoxazoles
09/09/1981EP0035358A2 Colored polyester composition
09/09/1981EP0035174A1 Dyes of the isoindoline series and their use
09/09/1981EP0035141A1 Dyes of the isoindoline series and their use
09/09/1981EP0035139A1 Isoindoline dyes and their use
09/08/1981US4288147 Liquid crystal and dichroic dye; improved contrast
09/02/1981EP0034725A2 Dyestuffs containing imidazolylethylene groups and their use
09/01/1981CA1108152A1 Stable modification of an isoindolinone pigment
09/01/1981CA1108130A1 Colour photographic material containing thiadiazoline derivatives as yellow couplers
09/01/1981CA1107913A1 Mixtures of optical brighteners
08/1981
08/25/1981US4285885 Whiteners; brighteners; textiles; fluorescence
08/25/1981CA1107724A1 Dyes obtainable from hydrosoluble, cationic polymers; tinctorial compositions made thereby
08/18/1981US4284787 Process for the preparation of 1,2,3-triazoles substituted in the 2-position
08/12/1981EP0033716A1 Chromogenic quinazoline compounds, processes for their preparation and their use as colour constituents in pressure-sensitive or heat-sensitive recording materials
08/12/1981EP0033583A1 Dyestuffs comprising two 5-membered heterocyclic nuclei fused to a central cyclohexadiene nucleus, processes for their preparation and their use for colouring synthetic textile materials
08/12/1981EP0033459A1 Benzoxazolylstilbenes, processes for their production and their use as optical brighteners
08/11/1981US4283540 Etherification of a cationic dye with a polyhydric alcohol
07/1981
07/29/1981EP0032670A1 Light collector systems and the use of coumarin derivatives as energy converters in such systems
07/22/1981EP0032254A1 Method for the preparation of bis-styrylbenzenes
07/14/1981US4278795 Cyanuric chloride-aluminum halide complex, 1a alcoholate or phenolate
07/14/1981CA1104933A1 No translation available
07/07/1981US4277244 Dye compositions for keratinic fibers containing paraphenylenediamines
06/1981
06/30/1981US4276188 Optical brighteners for cotton and polyamides
06/24/1981EP0030917A2 Optical brighteners from bistyryl benzene, process for their preparation and their use
06/09/1981US4272298 Process for conditioning a pigment in liquid ammonia
06/09/1981CA1102701A1 Paraphenyldiamines and tinctorial compositions containing same, for keratinic fibres
06/02/1981US4271395 Dyestuff laser
06/02/1981US4271309 Isoindoline colorants
06/02/1981US4271303 Heterocyclic compounds
06/02/1981US4271301 Preparation of pigmentary form isoindoline
06/02/1981CA1102320A1 Bis-triazinylaminostilbene compounds, process for their preparation and their use as fluorescent brightening agents
05/1981
05/27/1981EP0029413A1 Iminoisoindolinone pigments, process for their preparation and their use
05/20/1981EP0029007A1 Isoindoline pigments, process for their preparation and their use
05/20/1981EP0029003A2 Salts of cationic brighteners, their preparation and their use on organic materials as well as their concentrated aqueous solutions
05/20/1981EP0028777A1 Cationic compounds of the naphthalimide series, process for their preparation and their use
05/19/1981US4268671 Fluorescent dyes
05/19/1981US4268670 Cyclization and quaternization of benzimidazolylmethyl ethers of salicylaldehydes
05/19/1981US4268668 Acid monomethine-metal complex dyestuffs
05/12/1981US4267343 Process for the manufacture of 2,5-bis-(benzoxazolyl)-thiophene compounds
05/06/1981EP0027930A2 Water-insoluble azlactone dyestuffs, process for their preparation and their use in dyeing or printing synthetic fibrous materials
05/06/1981EP0027897A1 Bridged quaternary benzimidazolyl-benzimidazole derivatives, process for their preparation and their use
04/1981
04/29/1981EP0027529A1 Cumarin derivatives and their use in dyeing synthetic fibres or plastics
04/21/1981US4263441 Benzoxazole derivatives
04/21/1981US4263431 Aryl quaternary amine phosphonate derivatives
04/21/1981CA1099727A1 Benzofuranyl-benzimidazoles
04/14/1981US4262120 Isoindoline pigments
04/14/1981US4261855 Novel stilbene compounds
04/08/1981EP0026463A1 Process for dyeing polyester fibre textile fabrics for use as warning and protecting clothing
04/07/1981US4260776 Pyrazolone
04/07/1981US4260770 Naphtholactam dyes
04/07/1981US4260749 Quaternary diaminobenzoquinones
04/07/1981CA1098904A1 Perinone dyestuffs and process for preparing them
04/01/1981EP0026154A1 Process for preparing 4,4'-dinitrostilbene-2,2'-disulfonic acid and its salts and its use
04/01/1981EP0025936A1 Naphtholactam derivatives and their use as dyestuffs
04/01/1981EP0025908A1 1:1-Nickel complexes and their use
03/1981
03/31/1981US4259488 Bis-isoindoline pigments
03/31/1981US4259261 Oxidation color dyes for hair
03/31/1981CA1098536A1 No translation available
03/31/1981CA1098259A1 Preparation of stable dispersions of bis- triazinylaminostilbene-disulphonic acids
03/18/1981EP0025136A1 Light collector system and use of coumarin derivatives as energy converters in such systems
03/17/1981US4256901 Phthalone derivatives utilizable as pigments
03/17/1981US4256900 Fluorescent azolyl benzocoumarin dyestuffs
03/17/1981US4256896 Naphtholactam dyestuffs
03/17/1981US4256633 Azo dyes; azomethine dyes; wool, polyamides, and leather
03/11/1981EP0024676A2 Process for finishing fibrous materials
03/10/1981CA1097364A1 Benzodifuranes
03/10/1981CA1097130A1 Color composition
03/04/1981EP0024380A1 Optical brightening agents, process for their production and photographic materials which contain these brightening agents
02/1981
02/24/1981US4252720 Pyrazoline compounds
02/24/1981US4252566 Cumarinic pigments
02/11/1981EP0023889A1 Iminoisoindolinone metal complexes, process for their manufacture, method for pigmenting an organic high-molecular material and high-molecular organic material containing such a metal complex
02/10/1981US4250317 Benzofuranyl-benzimidazoles
02/03/1981US4249010 Naphthostyril dyestuffs
01/1981
01/28/1981EP0023080A1 Substituted 2,7-dioxo-2,7-dihydrobenzo(1:2-b; 5,6-b1)difuran or dipyrrole dyestuffs, processes for their preparation and their use for the colouration of aromatic polyester textile materials
01/28/1981EP0023028A1 Mixtures of optical brighteners and their use
01/28/1981EP0023026A1 Mixtures of optical brighteners and their use
01/28/1981EP0023022A2 Coumarine compounds, processes for their manufacture as well as the intermediate products used perse and their utilisation for the dyeing or printing of textiles
01/27/1981US4247698 Red coloring composite and the method for its production
01/27/1981US4247695 Process for preparation of quinacridone pigments using moderately concentrated acid
01/27/1981CA1094262A1 Brightening compositions
01/21/1981EP0022491A1 Stilbene compounds, process for their preparation and their use as optical brighteners
01/20/1981US4246422 Naphtholactam dyestuffs
01/20/1981US4246410 Naphtholactam dyestuffs
01/20/1981US4246403 Optical brighteners
01/13/1981US4245007 1,4-Bis-[azol-2'-yl]-naphthalenes and process of using the same
01/13/1981US4244872 Cationic fluorescent dyes
01/07/1981EP0022076A1 Iminoisoindolinone dyestuffs, methods for their preparation and their use
01/07/1981EP0021304A1 Coumarin compounds, their preparation and their use as dyestuffs
01/07/1981EP0020817A1 Process for the preparation of pyrene compounds
01/06/1981CA1093083A1 Iso-indoline compounds
12/1980
12/30/1980US4242139 Water soluble benzoxanthene dyestuffs for fluorescent inks
12/23/1980US4241154 Method of stabilizing organic substrates against the action of light
12/23/1980US4240967 Organic pigments derived from coumarin
12/16/1980CA1091676A1 3-phenyl-7-(v-triazol-2-yl)-coumarins
12/10/1980EP0020302A1 Nickel complex of an isoindolinazine, its preparation process, its use for pigmenting high molecular organic material and this high molecular organic material
12/10/1980EP0020299A1 Nickel complexes of azines, their preparation process, pigmenting process for a high molecular organic material and the material so obtained
12/10/1980EP0020298A1 Benzoxazolyl stilbenes, process for their preparation and their use as optical brighteners for organic materials
12/10/1980EP0019872A1 Process for the preparation of benzoxanthene and benzothioxanthene dyestuffs
12/09/1980US4238386 Process for the mass pigmenting of rigid polyvinyl chloride and polyolefins
1 ... 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53