| Patents for C09B 5 - Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings (1,582) |
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| 11/09/1995 | DE4414693A1 Prepn. of anthra-quinone-imide(s), useful as vat dye or intermediate |
| 06/14/1995 | EP0657436A2 Process for the preparation of perylene-3,4-dicarboxylic acid derivatives, the compounds prepared according to this process and their use |
| 05/18/1995 | DE4338784A1 Perylene-3,4-di:carboximide(s) and reaction prods. useful as fluorescent dye |
| 05/16/1995 | US5415669 Thioxanthene dyes for polyester textiles |
| 05/13/1995 | CA2135556A1 Process for preparing perylene-3-4-dicarboxylic acid derivatives, the derivatives thus prepared and their use |
| 04/26/1995 | EP0649406A1 Novel carbazole derivatives and their use in cosmetics, especially for make-up |
| 04/19/1995 | EP0648817A1 Novel fluorescent dyes |
| 04/14/1995 | CA2117860A1 Fluorescent pigments |
| 04/11/1995 | US5405962 Organic pigments and dyes; photoconductors; cyclization of the biperylene derivative with an oxidizing agent in an alkaline medium |
| 03/28/1995 | US5401846 Preparation of 5-halo-2-(1-anthraquinonylamino)-benzoic acids and 4'-halo-2,1(N)-anthraquinonyl-1',2'(N)-benzacridones |
| 03/22/1995 | CN1100444A Polycyclic vat dyes |
| 02/16/1995 | DE4327273A1 Perylene amidine imide dyes |
| 02/15/1995 | EP0638613A1 Perylene amidine-imide dyes, a process for their production and their use |
| 02/15/1995 | EP0638612A1 Polycyclic vat dyes |
| 01/17/1995 | US5382263 Thiopheneazo and 1,4-diaminoanthraquinone-2,3-dicarboximide dyes; polyester fabrics |
| 01/11/1995 | EP0633296A1 Novel dyestuffs and their use |
| 12/28/1994 | CN1096797A Dying compound of kerafibre and method for dying by using same |
| 12/08/1994 | WO1994028073A1 Thermostable and lightfast dichroic light polarizers |
| 11/24/1994 | WO1994026711A1 Novel carbazole derivatives and their use in cosmetics, especially for make-up |
| 11/24/1994 | DE4316378A1 Perylene derivatives |
| 11/22/1994 | US5367075 Anthrapyridone compounds, their production process and their use |
| 11/22/1994 | US5367074 Condensing 1-amino-3-chloroanthraquinone in the presence of an alkaline condensing aid with an oxidizer and a urea derivative |
| 10/19/1994 | EP0486531B1 Perylene compounds containing sulphonic groups, process for preparing them and their use |
| 10/11/1994 | US5354869 3,6-bis-(2'-methoxyphenyl)-2,5-dihydro-2,5-dimethyl-pyrrolo-(3,4-c)-pyrrole-1,4-dione compound |
| 09/27/1994 | US5350853 Preparation of dianthraquinone-N,N'-dihydroazine and its chlorination products |
| 09/07/1994 | EP0485441B1 New pigment preparations based on perylene compounds |
| 08/23/1994 | US5340910 Process for preparing 1-cyano-3H-dibenz[f,ij]isoquinoline-2,7-diones and their use as toners for polyesters |
| 08/17/1994 | CN1090930A Method for preparing tinted contact lens |
| 07/21/1994 | WO1994015767A1 Method of disposing waste magnetic tapes and method of manufacturing construction material board, using waste magnetic tapes |
| 07/06/1994 | EP0605320A1 Dye composition for keratinic fibres based on paraphenylenediamine, metaphenylenediamines and benzimidazol derivates, and the dyeing process using same |
| 07/01/1994 | CA2112653A1 Paraphenylenediamines, metaphenylenediamines and benzimidazole derivatives tinctorial compositions for keratinic fibers; dyeing process using said compositions |
| 06/07/1994 | US5319083 Used as pigment in paint preperation, printing ink or for dyeing polymers |
| 05/11/1994 | EP0596292A1 Quaterrylene tetracarboxylic imides |
| 05/04/1994 | EP0595575A1 Method for preparing tinted contact lens |
| 04/13/1994 | EP0592366A1 Photochromic compounds, their preparation and their use |
| 04/09/1994 | CA2107806A1 Photochromic compounds, their preparation and their use |
| 01/18/1994 | US5280128 Process for the preparation of benzothioxanthene dyestuffs |
| 01/18/1994 | US5280121 Alkyl chain containing 12 ti 18 carbons |
| 01/05/1994 | EP0576996A1 Method of preparation of 7,16-dichloro-dianthraquinone-N,N'-dihydroazine |
| 01/05/1994 | EP0576995A2 Process for the preparation of 5-halogeno-2-(1-anthraquinonylamino)benzoic acids and of 4'-halogeno-2,1(N)-anthraquinonyl-1',2'(N)-benzacridones |
| 12/08/1993 | EP0572854A1 Process for the preparation of dianthraquinonyl-N,N'-dihydroazine and of its chlorinated derivatives |
| 11/23/1993 | US5264034 Pigment preparations based on perylene compounds |
| 10/12/1993 | US5252699 Process for preparing 1-cyano-3H-dibenz[f,ij] isoquinoline-2,7-diones and their use as toners for polyesters |
| 09/28/1993 | US5248774 Pigments |
| 09/21/1993 | US5247088 From the naphthalimide |
| 08/11/1993 | EP0554696A2 Dye mixtures for the dyeing of textile hydrophobic fiber materials |
| 06/29/1993 | US5223624 Yellowish-red color |
| 04/07/1993 | EP0535424A1 Blue dye mixtures with a high brilliancy |
| 03/03/1993 | EP0530143A1 Modified gamma-quinacridone pigment |
| 02/25/1993 | DE4227445A1 Anthraquinone dyestuff prodn. method - from oxo-imino-di:amino-phthaloyl-isoindoline by alkylation in inert solvent contg. acid-binding agent and opt. catalyst |
| 02/03/1993 | EP0525538A2 Process for the continuous preparation of perylenetetracarboxylic diimides |
| 02/02/1993 | US5183892 Anthrapyridone compounds |
| 11/24/1992 | CA1310745C Method and apparatus for displaying indications of instructions in previously recorded messages |
| 10/13/1992 | US5155089 Anthraquinone dyes for thermal transfer printing |
| 10/13/1992 | US5154770 Mix-crystal pigments based on perylenetetracarbimides, process for their preparation and their use |
| 09/29/1992 | US5151516 Unsaturated monomers |
| 09/23/1992 | EP0504872A1 Inner salts of perylene compounds, process for their preparation and their use |
| 09/08/1992 | US5145964 Milling, kneading, solvent treatment |
| 07/15/1992 | EP0198082B1 Polarizing film |
| 07/01/1992 | EP0492232A1 Method for producing benzothioxanthen dyestuffs |
| 06/23/1992 | US5123966 Mixed crystal pigments based on halogenated perylenetetracarboximides |
| 06/17/1992 | EP0490225A1 Use of anthraquinone dyerstuffs for thermal transfer printing |
| 06/04/1992 | DE4037735A1 New N,N'-di:ethyl perylene bis:di:carboximide dyestuff cpds. - useful as special effect pigment e.g. in lacquer or plastics with strong metallic lustre |
| 05/26/1992 | US5116958 Disperse dyes which are convertible into a thermomigration fast form |
| 05/13/1992 | EP0484784A1 Black perylene-3,4,9,10-tetracarboxylic acid diimides, their preparation and their use |
| 04/14/1992 | US5104918 Perylenetetracarboxylic acid diimides having long-chain radicals containing carbonyl groups |
| 04/09/1992 | DE4133294A1 Printing plates for electrophotographic printing plates - have light sensitive layer contg. photoconducting 3,4,9,10-perylene:tetra:carboxyl:di:anhydride in particulate form |
| 03/03/1992 | CA1296722C Substituted isoquinolines |
| 02/18/1992 | CA1295788C Impregnation-printed molded article |
| 01/08/1992 | EP0465410A1 Perylenetetracarboxylic acid diimides with longchain alkanoylamino residues |
| 12/28/1991 | CA2045331A1 Perylenetetracarboxylic acid diimides containing long-chain alkanoylamino radicals |
| 12/19/1991 | DE4018830A1 New perylene dyestuffs synthesised from perylene blue - used as biochemical tracers, dyestuffs and pigments, in optical light gathering systems, in polymerisation reactions, etc. |
| 12/12/1991 | DE4018229A1 New 1,4,5,8-tetra:amino anthraquinone dyestuff cpds. - are used in liquid crystal polymer prodn. |
| 12/11/1991 | EP0460496A1 Tetra-amino-anthraquinone dyes |
| 11/06/1991 | EP0455103A2 Process for halogenation of polycyclic compounds |
| 10/22/1991 | US5059356 Polarizing film |
| 09/18/1991 | EP0446748A2 Use of perylenedyes for the preparation of write, print or copying materials |
| 09/18/1991 | EP0446472A2 Process for the manufacture of perylene-3,4,9,10-tetracarboxylic acid diimides in a pigmentary form with a high tinctorial value |
| 09/12/1991 | DE4007728A1 Perylene-3,4,9,10-tetra:carboxylic acid di:imide pigments prepn. |
| 06/25/1991 | US5026505 Pleochroic dyes with trans=4=substituted cyclohexyl groups; improved display contrast stability |
| 05/15/1991 | EP0426717A1 Optical memory. |
| 04/17/1991 | EP0422535A1 Polymerisable perylene-3,4,9,10-tetracarboxylic diimides and polymeric products thereof |
| 04/17/1991 | EP0422474A2 Fluorescent pigments |
| 02/14/1991 | DE3926563A1 Sulfonsaeuregruppenhaltige perylenverbindungen, verfahren zu ihrer herstellung und ihre verwendung Sulfonic acid groups perylene compounds, processes for their preparation and their use |
| 02/12/1991 | WO1991002034A1 New pigment preparations based on perylene compounds |
| 02/12/1991 | WO1991002032A1 Perylene compounds containing sulphonic groups, process for preparing them and their use |
| 01/22/1991 | US4986852 Pigments and use thereof |
| 12/18/1990 | US4978755 Perylenetetracarboxylic acid diimides having long-chain radicals containing carbonyl groups |
| 08/08/1990 | EP0380642A1 Liquid crystal display devices and liquid crystal medium to be used therein |
| 07/18/1990 | EP0378510A2 Disperse dyes |
| 06/21/1990 | DE3842856A1 Process for producing electrodes for secondary cells from organic compounds |
| 05/22/1990 | CA1269379A1 Silane diimidic tetracarboxylic perylene dyes and composite pigments |
| 05/15/1990 | US4925954 Condensation product with 1-amino-4-benzoylamino-anthraquinone |
| 05/02/1990 | EP0366062A2 Mixed crystals of pigments based on halogenated diimides of perylenetetracarboxylic acid |
| 04/27/1990 | CA2001531A1 Mixed crystal pigments based on halogenated perylenetetracarboximides |
| 02/27/1990 | US4904796 Preparation of a blue anthraquinonoid disperse dye of 1,4-naphthoquinone-[2,]-phthalimides |
| 02/22/1990 | WO1990001526A1 Liquid crystal display devices and liquid crystal medium to be used therein |
| 02/22/1990 | WO1990001480A1 Optical memory |
| 02/20/1990 | US4902798 Anthrapyridone compounds |
| 02/06/1990 | US4898765 Impregnation-printed molded article |