Patents
Sitemap › C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for › C09B - Organic dyes or closely-related compounds for producing dyes; Mordants; Lakes › C09B 5 - Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
Patents for C09B 5 - Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings (1,582)
04/1984
04/17/1984CA1165763A1 Process for the preparation of opaque perylenetetracarboxylic acid bis-(3,5- dimethylphenylimide)
03/1984
03/27/1984CA1164159A1 Process for the finishing of fibrous materials
03/21/1984EP0103381A1 Substituted anthra(1,9-cd)pyrazol-6(2H)-ones
02/1984
02/14/1984US4431806 Purification by sulfonation; isolation, hydrolysis, separation and dry milling
02/14/1984US4431721 Antifogging agents; electrography
01/1984
01/31/1984US4429029 Organic electrophotographic recording medium
12/1983
12/06/1983US4419427 Electrophotographic medium with perylene-3,4,9,10-tetracarboxylic acid N,N'-bis-(2',6'-dichlorophenyl)-diimide
10/1983
10/05/1983EP0090278A1 Process for the preparation of anthrimide carbazole dyes
10/05/1983EP0090244A2 Process for the preparation of triazine vat dyestuffs
10/04/1983US4408056 Anthraquinone vat dyestuffs
09/1983
09/20/1983US4405785 Vat dyestuff prepared from crude anthraquinone mixtures
09/14/1983EP0088392A1 Process for the preparation of perylene-3,4,9,10-tetracarboxylic acid-N,N'-dialkyldiimide pigments
09/13/1983US4404386 Process for the preparation of opaque perylenetetracarboxylic acid bis-(3,5-dimethylphenylimide)
09/13/1983US4404385 Novel modification of perylenetetracarboxylic acid-bis-(3,5-dimethylphenyl)imide
07/1983
07/27/1983EP0084315A2 Anthraquinone vat dyes
07/19/1983US4394129 Process for the finishing of fibrous materials: sulfonyl- or carbonyl-cyanamides of dyestuffs
06/1983
06/22/1983EP0081766A1 Light collector systems using halogenated peryline derivatives as light converters
06/15/1983EP0081168A2 Process for the preparation of 4,4'-dibenzoylamino dianthrimide carbazole
06/15/1983EP0081158A2 Process for the preparation of an anthraquinone vat dye
06/15/1983EP0081143A1 Use of perylene derivatives as dyes for liquid crystal compositions
05/1983
05/31/1983US4386206 Tertiary amides as solvents in anthrapyridone syntheses
05/18/1983EP0079056A2 Heat-developable color photographic material
05/17/1983US4384119 Catalytically reductive ring closure for 1-acylamino-3,4-phthaloylacridones
05/10/1983US4382800 Free amine-containing polymeric dyes
04/1983
04/27/1983EP0077496A1 Process for utilizing the light of wavelengths in the range from 470 to 600 nm for photo synthesis
04/26/1983US4381260 Aromatic chromophoric substituted polysiloxane dyes
04/13/1983EP0076633A1 Guest-host type liquid crystal composition
04/12/1983US4379934 Process for two-dimensionally concentrating light, and novel perylene-3,4,9,10-tetracarboxylic acid diimides
04/12/1983CA1144549A1 Modification of perylenetetracarboxylic acid-bis-(3,5-dimethylphenyl)-imide
03/1983
03/29/1983US4378302 Red perylene dichroic dye containing liquid crystal formulations
03/15/1983CA1142921A2 Red colors
03/02/1983EP0073007A1 Method for the square dimensional concentration of light, and fluorescent compounds
02/1983
02/22/1983US4374989 From 1-nitroanthroquinone and hydrazine or hydroxylamine compounds, alkali metal hydroxides
01/1983
01/05/1983EP0069074A2 Utilization of perylen pigments for photoelectrophoretic imaging
10/1982
10/26/1982US4356102 Dichroic liquid crystal compositions containing anthraquinone-based dyes
10/06/1982EP0061624A1 Cationic dyes and their use
09/1982
09/29/1982EP0061092A1 Electrophotographic recording material
09/29/1982EP0061089A1 Electrophotographic recording material
09/29/1982EP0061088A1 Electrophotographic recording material
09/29/1982EP0061039A1 Process for the preparation of anthraquinone disperse dyes
09/28/1982US4351975 Reacting bis(perhalomethyl)benzenes with chlorine in chlorosulfonic acid
09/14/1982US4349478 Process for the carbazolation of anthrimides
08/1982
08/11/1982EP0057665A1 Process for the preparation of 1-acylamino-3,4-phthaloyl-acridones
08/11/1982EP0057382A2 Process for the preparation of vat dyes from the waste products of the synthesis of nitro-anthraquinone and anthraquinone sulfonic acid
08/11/1982EP0057375A2 Vat dyes of the trisanthraquinonylaminotriazine series as well as their preparation
08/11/1982EP0057358A2 Process for the preparation of anthraquinone vat dyes
08/04/1982EP0056870A2 Perylene-3,4,9,10-tetracarboxylic acid diimide and its use
08/03/1982CA1129136A1 Process for the mass pigmenting of rigid polyvinyl chloride and polyolefins
07/1982
07/13/1982US4339237 Free amine-containing polymeric dyes
07/07/1982EP0055363A1 Perylene tetracarboxylic-acid diimides and their use
06/1982
06/30/1982EP0055219A1 Dyestuffs, their preparation and use
06/30/1982EP0054806A1 Process for the preparation of perylene-tetracarboxylic-acid diimide
06/22/1982CA1126266A1 Disperse anthraquinone dyes
06/08/1982US4334068 Process for the preparation of triazinylamino-anthraquinones
05/1982
05/11/1982US4329456 Process for the preparation of vat dyes
04/1982
04/21/1982EP0049873A1 Process for the carbazolation of anthrimides
04/06/1982US4323671 Anthraquinone derivatives, processes for their preparation, processes for pigmenting organic macromolecular substances, and pigmented organic macromolecular material
04/06/1982US4323510 Reacting picoline or quinoline with 3,9-di(1-anthraquinonylamino) benzanthrone
03/1982
03/10/1982EP0047205A2 Process for the preparation of alpha-benzamido-alpha'-halogen-1,1'-dianthrimides, alpha-benzamido-5' or 8'-halogen-1,1'-dianthrimides and their application as intermediates for vat dyes
03/10/1982EP0047027A1 Liquid crystals mixture
02/1982
02/24/1982EP0046164A2 Utilisation of perylene derivatives for purposes of fluorescence and novel perylene derivatives
02/23/1982US4316918 Products including edibles colored with polymeric red colors
01/1982
01/12/1982US4310359 Pigment compositions
01/05/1982US4309221 Anthraquinone derivatives
12/1981
12/30/1981EP0042819A1 Process for the preparation of opaque perylene-tetracarboxylic-bis-(3,5-dimethylphenyl imide)
11/1981
11/25/1981EP0040402A2 Electrophotographic recording material
11/24/1981US4302399 Which have primary or secondary amine groups
11/18/1981EP0039912A1 Process for preparing pigments of the perylene-3,4,9,10-tetracarboxylic acid series, and their use
11/11/1981EP0039482A2 Perylene-3,4,9,10-tetracarboxylic acid monoanhydride-monoimides, process for their preparation and their use
11/10/1981US4299720 Liquid crystal mixture
11/04/1981EP0039085A1 Process for increasing the solubility of aromatic systems
10/1981
10/28/1981EP0038460A1 Liquid crystal materials comprising anthraquinone dyes
09/1981
09/30/1981EP0036840A2 Process for the production of chlorinated compounds
09/22/1981US4290768 Anthraquinone dyes, triazine dyes
09/15/1981CA1109065A1 Process for the production of 3-substituted pyrazolanthrones
09/02/1981EP0034725A2 Dyestuffs containing imidazolylethylene groups and their use
08/1981
08/25/1981US4286094 Reduction to the leuco compound using a metal dithioite and oxidation in an aqueous suspension containing a surfactant
08/25/1981CA1107728A1 Red colors
08/18/1981US4284770 Process for the manufacture of vat dyes
08/05/1981EP0033079A1 Perylene-3,4,9,10-tetracarboxylic-acid diimides and their use
07/1981
07/22/1981EP0032373A1 Light collector systems and the use of anthrapyrimidine derivatives as energy converters in such systems
07/21/1981US4279662 Anthraquinones useful in cosmetics and foods
06/1981
06/24/1981EP0030693A1 Process for preparing triazinyl-amino anthraquinones
06/23/1981CA1103834A1 Process for dyeing linear polyesters in the melt
04/1981
04/21/1981US4262851 High speed milling without surfactants
03/1981
03/24/1981US4258189 Process for preparing orange polymeric colorants
03/17/1981CA1097619A1 Solvent dyes
03/11/1981EP0024676A2 Process for finishing fibrous materials
02/1981
02/10/1981US4250079 Process for the manufacture of a perylene-3,4,9,10-tetracarboxylic dianhydride pigment with improved properties
02/03/1981US4249007 Anthraquinone colorants
01/1981
01/28/1981EP0023191A1 Modification of perylene-tetracarboxylic acid bis (3,5-dimethylphenyl) imide, its preparation and use in pigmentation
01/07/1981EP0021075A1 Process for preparing a vat dyestuff
12/1980
12/23/1980US4240793 Heating in cyclohexanone
12/09/1980US4238386 Process for the mass pigmenting of rigid polyvinyl chloride and polyolefins
11/1980
11/26/1980EP0019285A1 Process for preparing asymmetrical vat dyestuffs of the anthraquinone series and their use in dyeing and printing
11/12/1980EP0018538A2 Anthraquinone derivatives, process for their preparation, process for the pigmentation of organic macromolecular materials and pigmented organic macromolecular material
10/1980
10/28/1980US4230858 Perylene-3,4,9,10-tetracarboxylic acid diimide pigment, its manufacture and its use
09/1980
09/16/1980US4222947 Anthrachinone dyestuffs
09/16/1980CA1085947A1 Multilayer organic photovoltaic elements
08/1980
08/12/1980US4217455 Preparation of transparent and easily dispersible perylene-3,4,9,10-tetracarboxylic acid diimide pigments of high tinctorial strength
1 ... 5 6 7 8 9 10 11 12 13 14 15 16