Patents for C09B 57 - Other synthetic dyes of known constitution (5,224)
02/1980
02/12/1980US4188489 From a hydrazine containing a sulfo group and a beta-substituted amino-beta-alkoxy acrylic acid derivative
01/1980
01/29/1980CA1070693A1 Water-soluble benzoxanthene and benzothioxanthene compounds, process for preparing them and their use as dyestuffs
01/29/1980CA1070677A1 1:1-azomethine-metal-complex dyestuffs
01/22/1980US4185151 Cationic dyestuffs
01/22/1980CA1070298A1 Isoindoline pigments
01/15/1980US4183853 1-[p-(2-Trialkylammonium)propylsulfonylphenyl]-3-(phenyl)-pyrazoline salts
01/15/1980US4183842 Pigments dissolving in metl
01/09/1980EP0006176A1 Stilbene compounds, process for their preparation and their use as optical brighteners
01/09/1980EP0006171A1 Stilbene compounds, process for their preparation and their use as optical brighteners
01/09/1980EP0006122A1 Process for batch-colouring hard PVC and polyolefines
01/01/1980US4181805 Process for the preparation of pure sodium hydroxide addition compounds of cis-isomers of naphthoylene-bis-benzimidazoles
12/1979
12/25/1979US4180665 Substituted 3-benz(cd)indol-2-(1H)-ylidene-furo[2,3-b]quinoxalin-2(3H)one dyestuffs
12/25/1979US4180479 Stilbene compounds
12/04/1979US4177195 Organic pigments derived from benzocoumarin
11/1979
11/27/1979US4175956 Electrophotosensitive materials for migration imaging processes
11/27/1979CA1067084A1 Pyrazole substituted 2-(2') benzimidazolyl-furans
11/14/1979EP0005207A2 Bis-1:2 chrome-disazo-bisazo methine dyestuffs, their preparation and use for dyeing of leather
11/13/1979CA1066292A1 Mixed complexes of methine dyes
11/13/1979CA1066113A1 Stabilization of iron-complex colors
10/1979
10/31/1979EP0004897A2 Process for the preparation of 1,2,3 triazoles substituted in the 2-position
10/23/1979US4172202 Process for the preparation of 4-amino-1,8-naphthalimides
10/23/1979CA1064951A1 Styryl-like compounds and preparing the same
10/23/1979CA1064950A1 Bis-azomethine metal complex colorants of hydroxycoumarin derivatives or hydroxychromone derivatives and process for their manufacture
10/23/1979CA1064946A1 Process for the manufacture of thianthrene
10/23/1979CA1064929A1 Metal complexes of bis-hydrazones and a process for their manufacture
10/17/1979EP0004655A2 Application of fluorescent dyes for light intensification
10/16/1979US4171203 Hair dye compositions containing 3,5-diamino-2-substituted-alkylbenzenes
10/16/1979CA1064502A1 Stilbene compounds
10/16/1979CA1064500A1 1,4-dithlino(2,3-c; 6, -c')diisothiazole and related compounds
10/02/1979US4169810 Mixtures of optical brighteners
10/02/1979CA1063602A1 Disperse dyes
09/1979
09/11/1979US4167628 Novel benzoxazole compounds
09/11/1979US4167506 Diazaphenalene derivatives and resin containing color compositions
08/1979
08/28/1979US4166179 Manufacture of organic pigments
08/28/1979US4166176 2,4-dioxy-6-/p-vinyliphenylene/1,3,5-triazine derivatives
08/28/1979CA1061348A1 Iminoisoindolinone metal complex
08/21/1979US4165319 Isoindoline pigments
08/21/1979CA1060895A1 Isoindoline compounds and preparation
08/14/1979CA1060449A1 New derivatives of 7-hydroxy-3-(1,2,4-oxadiazolyl-5) coumarin_
07/1979
07/24/1979CA1059130A1 Dyes containing an isoindole nucleus
07/17/1979US4161589 Spirodipyrans
07/12/1979WO1979000394A1 Red series pigment composition and process for the production of the same
07/11/1979EP0002828A2 Hair dyeing composition
07/10/1979CA1058185A1 Iminoisoindolenine pigments, process for their manufacture and their use
07/10/1979CA1058177A1 Disperse dyes
07/10/1979CA1058176A1 Coumarino-3,4-oxazoles
07/10/1979CA1057949B Day light fluorescent pigments and process for their preparation
07/03/1979CA1057760A1 4-stilbenyl-1,2,3-triazoles, process for preparing them and their use as optical brighteners
07/03/1979CA1057745A1 Styryl compounds
06/1979
06/27/1979EP0002461A1 Pyrazoline optical brighteners, their preparation and their use for treating polyacrylonitrile and wool
06/26/1979US4159379 Dispersion dyestuffs of the naphtholactam series
06/19/1979US4158661 Stable modification of an isoindolinone pigment and processes for producing it
06/13/1979EP0002223A2 Naphthalimide derivatives, processes for their preparation, and their use as optical brightening agents
06/05/1979US4157443 Optical brighteners
06/05/1979CA1055943A1 Benzoindole phthalides
06/05/1979CA1055942A1 Di-vinyl color formers
06/05/1979CA1055941A1 Vinyl color formers
05/1979
05/30/1979EP0002042A1 Diamino-1,3,5-triazinylstilbene compounds, a process for their preparation and their use as optical brighteners
05/30/1979EP0002030A1 Fluorinated benzazole derivatives, method for their preparation and their use as optical brighteners
05/30/1979EP0001991A1 Phosphonium compounds, process for their preparation and process for the preparation of optical brighteners based on asymmetrically substituted stilbenes
05/29/1979CA1055500A1 Metal complex pigments
05/22/1979US4156090 Intermediates for dyes for foods and pharmaceuticals
05/15/1979US4154951 Optical brighteners, styryl dyes
05/15/1979CA1054617A1 Metal complexes of azomethines and process for their manufacture
05/15/1979CA1054614A1 Process for manufacturing 2-stilbenyl-1,2,3-triazoles and new 2-stilbenyl-1,2,3-triazoles
05/15/1979CA1054611A1 Process for the manufacture of oxazolyl-stilbene compounds containing sulpho groups
05/15/1979CA1054610A1 Stilbene compounds
05/15/1979CA1054607A1 Iminoisoindolinone pigments
05/15/1979CA1054606A1 Iminoisoindolinone pigments
05/08/1979US4153800 Isoindolinone pigments
05/08/1979US4153618 Fluorescent pigments
05/02/1979EP0001582A1 Process for the preparation of bis-triazolyl stilbenes
05/01/1979US4152112 Dyeing composition for keratinic fibers containing paraphenylenediamines
04/1979
04/24/1979CA1053229A1 Water-insoluble colorants, process for preparing them and their use
04/10/1979US4148805 Naphtholactam dyestuffs
04/10/1979US4148667 Colorfast pgiments for inks, lacquers, and plastics
04/10/1979US4148666 Organic pigments for lacquers and plastics
04/03/1979US4147865 Benz-(C,D)-indolyl compounds
04/03/1979US4147648 Cleaning compounds, stilbene dyes
04/03/1979US4147540 Color electrophotographic developer system employing one carrier having a coating of resin and copper tetra-4-(octadecylsulfonomido)phthalocyanine
04/03/1979US4147509 Pressure-sensitive recording material
03/1979
03/27/1979US4146725 Optical brighteners
03/27/1979US4146712 Process for the manufacture of coumarin dyes
03/27/1979US4146541 Yellow shade on polyesters
03/27/1979US4146500 Triazole compounds
03/27/1979CA1051440A1 Pyrazoline compounds
03/27/1979CA1051426A1 Disperse dyestuffs
03/20/1979US4145523 Organometallic polymers (A)
03/20/1979CA1050992A1 Azomethine pigments
03/13/1979US4144258 1:1-Heterocyclic azo methine-metal complex dyestuffs
03/07/1979EP0000900A1 Spirobipyranes, their use and pressure-sensitive copying materials containing them
02/1979
02/27/1979US4142044 Fluorescent dyes
02/27/1979US4141900 3-Phenyl-7-(v-triazol-2-yl)-coumarins
02/20/1979US4140852 Whitening
02/06/1979US4138570 Indoline linked to 2-pyrazoline
02/06/1979US4138552 4-(V-triazolyl)-styryl optical brighteners
02/06/1979US4138401 Laser dyes
02/06/1979CA1048032A1 Aminonaphthoselenazole
01/1979
01/30/1979CA1047511A1 Process for the manufacture of cyano-substituted stilbene compounds
01/23/1979CA1047040A1 Process for the synthesis of substituted indolenines
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