| 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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| 03/15/2001 | CA2383143A1 Anthrapyridone compound, water-based magenta ink composition and method of ink-jet recording |
| 03/08/2001 | WO2001016109A1 Thermochromic rylene dyes |
| 03/06/2001 | US6197223 Reacting diacidic monomer having formula h--a--h, comprising 1 to 100 mole % of light-absorbing monomer having a light absorption maximum between 300 nm and 1200 nm and 99-0 mole % of a non-light absorbing monomer with organic compound |
| 03/01/2001 | DE19940708A1 Thermochrome Rylenfarbstoffe Thermochromic rylene dyes |
| 02/27/2001 | US6194110 Photoconductive imaging member containing a photogenerating layer comprised of a mixture of three perylene compounds such as 1,3-bis(n-pentylimidoperyleneimido) propanes, and an electron acceptor component which improves photosensitivity |
| 02/06/2001 | US6184378 Pigments, laser dyes and precursors for preparing fluorescent dyes, polymeric colorants, |
| 01/24/2001 | CN1281440A Perylene imide monocarboxylic acids as colorants |
| 01/16/2001 | US6174394 Method for thermostable and lightfast dichroic light polarizers |
| 01/16/2001 | US6174361 Process for preparing N,N′-dimethylperylene-3,4,9,10-tetracarboxylic diimide in transparent pigment form |
| 01/10/2001 | EP1067155A1 Novel anthrapyridone compounds, water-based magenta ink composition, and method of ink-jet recording |
| 12/27/2000 | EP1063268A1 Water-based magenta ink composition and method of ink-jet recording |
| 12/26/2000 | US6166210 Perylene imide monocarboxylic acids |
| 12/19/2000 | US6162571 Photoconductive imaging member comprised of an unsymmetrical perylene; photoactive component in photoconductive imaging members useful in electrophotographic printing; organic solar cells |
| 11/28/2000 | US6153764 Imidation of a perylene tetracarboxylic derivative pigment precursor by cyclization reaction with ammonia or an amine in solution of reaction mixture containing a second cyclic imide derivative which is non-pigmentary |
| 11/28/2000 | US6152969 Ink jet printing of paper, cloth, fibers |
| 11/22/2000 | EP1053228A1 Perylene imide monocarboxylic acids as colorants |
| 11/07/2000 | US6143905 1,7-diaroxy- or 1,7-arylthio-substituted perylene-3,4,9,10-tetracarboxylic acids, their dianhydrides and diimides |
| 11/07/2000 | US6143890 Reacting perylene tetracarboxylic-3,4-monoanhydride derivatives with a disubstituted hydrazine |
| 11/07/2000 | US6143068 Process for the preparation of highly chromatic perylene pigments |
| 10/25/2000 | EP1046680A2 Pigments, the process of their manufacture and their use |
| 10/24/2000 | US6136976 Process for producing perylene-3, 4-dicarboxylic acid imides |
| 10/19/2000 | WO2000061689A1 Pigment compositions and process of shading |
| 10/05/2000 | WO2000058424A1 Refrigerating machine oil composition |
| 10/03/2000 | US6127549 Fluorescent indigo pigments |
| 09/26/2000 | US6124458 Substituted quaterrylene tetracarboxylic acid diimides |
| 09/08/2000 | WO2000052099A1 Bichromophoric perylene-3,4-dicarboximides |
| 08/24/2000 | DE19906494A1 Pigmentzubereitungen auf Basis von Diketopyrrolopyrrolpigmenten mit basischen Perylendispergatoren Pigment preparations based on diketopyrrolopyrrole with basic Perylendispergatoren |
| 08/23/2000 | EP1029899A2 Pigment preparations based on diketopyrrolopyrrole pigments with basic perylene dispersing agents |
| 08/08/2000 | US6099636 N,N'-dimethylperylene-3,4,9,10-tetracarboxylic acid diimide pigments suitable for water-based paints |
| 08/02/2000 | EP1024177A2 Pigment preparations with several perylene compounds |
| 08/02/2000 | CN1261611A Method for preparing deep colour perylene dye |
| 08/02/2000 | CN1261610A Method for preparing deep colour perylene dye |
| 07/27/2000 | DE19902907A1 Pigmentzubereitungen mit mehreren Perylenverbindungen Pigment preparations with several perylene |
| 07/27/2000 | DE19900063A1 Naphthalin- und Perylenhydrazamimide - eine neue Klasse von Farbstoffen Naphthalene and Perylenhydrazamimide - a new class of dyes |
| 07/25/2000 | US6093834 Colorants, in particular as pigments and dyes, vat dyes or mordant dyes, paints, paint systems, in particular automotive lacquers, coating compositions, paper colors, printing colors, inks, in security marking purposes |
| 07/19/2000 | EP1020496A1 Process for the preparation of highly chromatic perylene pigments |
| 07/19/2000 | EP1019388A1 Preparation of perylene-3,4-dicarboxylic anhydrides |
| 07/13/2000 | WO2000040657A1 Naphthalenehydrazamimides and perylenehydrazamimides |
| 07/04/2000 | US6084099 Preparation of N,N'-dialkylperylene-3,4,9,10-tetracarboxylic acid diimides |
| 06/21/2000 | EP1010731A2 Process for the preparation of highly chromatic perylene pigments |
| 06/08/2000 | WO2000023446A8 Core-extended perylene bisimides and the use thereof as fluorescent dyes |
| 06/02/2000 | WO2000031040A1 Process for preparing bis n-substituted perylenetetra carboximides via bis (hydroxymethyl) perylenetetra carboximide |
| 05/17/2000 | EP0869959B1 1,7-disubstituted perylene-3,4,9,10-tetracarboxylic acids and dianhydrides and diimides of said acids |
| 05/16/2000 | US6063924 N-(alkenyl or alkynyl)oxycarbonyl substituted chromophore derivatives; soluble organic pigments |
| 05/16/2000 | US6063181 1,7-disubstituted perylene-3,4,9, 10-tetracarboxylic acids, their dianhydrides and diimides of said acids |
| 05/10/2000 | EP0999239A2 Heterocyclic compounds |
| 05/10/2000 | CN1252802A Writable and eresable high-density optical storage media |
| 05/09/2000 | US6060601 Fluorescent dyes in highly sensitive detection methods, reagents for the qualitative, semiquantitative and quantitative detection |
| 04/27/2000 | WO2000023446A1 Core-extended perylene bisimides and the use thereof as fluorescent dyes |
| 04/27/2000 | WO2000023440A1 Novel anthrapyridone compounds, water-based magenta ink composition, and method of ink-jet printing |
| 04/27/2000 | DE19848555A1 New perylene-3,4,9,10-tetracarboxylic acid bis-imide derivatives and analogs, used as dyes, especially fluorescent dyes, e.g. for bulk dyeing plastics, vat dyeing natural fibers or staining DNA |
| 04/27/2000 | DE19848201A1 Dye mixtures useful for dyeing and printing polyester and cellulose acetate contain N-(3-(2-methoxyethoxy)-propyl-, N-3-methoxypropyl and N-3-ethoxypropyl-1,4-diamino-anthraquinone-2,3-dicarbimide |
| 04/27/2000 | CA2347691A1 Novel anthrapyridone compounds, water-based magenta ink composition, and method of ink-jet printing |
| 04/20/2000 | WO2000022048A1 Disperse dye mixtures |
| 04/18/2000 | US6051360 Dyestuffs and resin compositions |
| 04/18/2000 | US6051351 Perylenes |
| 04/11/2000 | US6049428 Coating a substrate with a solution of an organic dye occurring in the lyotropic liquid-crystal state in a solvent while simultaneously orienting the dye and removing the solvent |
| 04/05/2000 | EP0990951A1 Unsymmetrical perylene dimers |
| 03/21/2000 | US6039769 Process for the preparation of highly chromatic perylene pigments |
| 02/23/2000 | CN1245516A Method for preparing light-absorbing polymeric compositions |
| 02/22/2000 | CA2064725C New pigment preparations based on perylene compounds |
| 02/17/2000 | DE19836714A1 Verfahren zur Herstellung von N,N'-Dimethyl-perylen-3,4,9,10- tetracarbonsäurediimid in transparenter Pigmentform A process for the preparation of N, N'-dimethyl-3,4,9,10-perylene-tetracarboxylic diimide in the form of transparent pigment |
| 02/17/2000 | DE19835757A1 New N-substituted perylene-3,4,9,10-tetracarbodiimides useful as universal pigment dispersants |
| 02/16/2000 | EP0979846A1 Method for the production of N,N'-dialkyl perylene-3,4,9,10-tetracarboxylic acid diimides in a transparent pigment form |
| 02/09/2000 | EP0977754A1 Writable and erasable high-density optical storage media |
| 02/02/2000 | CN1243511A Preparation of -3,4-dicarboxylic anhydrides |
| 01/19/2000 | EP0792257A4 Dichroic light polarizers |
| 01/18/2000 | US6015458 Process for the preparation of highly chromatic perylene pigments |
| 01/11/2000 | US6013777 Process for the preparation of fluorescent pigments |
| 01/11/2000 | US6013776 Carbamate-containing soluble chromogens exhibiting solid state fluorescence in the uv range |
| 01/05/2000 | EP0968250A1 Soluble chromophores having improved solubilising groups |
| 12/29/1999 | EP0966468A1 Crown ether-derivatised perylenes |
| 12/16/1999 | DE19826274A1 New perylene bisimide-cyclophane compounds useful as dyes for e.g. polymers and natural products, and in chemical, medical and industrial operations, e.g. as markers and tracers. |
| 12/01/1999 | EP0960167A1 Bifluorophoric perylene colourants |
| 12/01/1999 | CN1237193A Bifluorophoric perylene colourants |
| 11/23/1999 | US5989876 Grinding; reacting with 1,5-naphthoquinone; hair dyes |
| 11/18/1999 | WO1999058610A1 Thermoplastic polymer compositions containing dye compositions |
| 11/16/1999 | US5986099 Substituted quaterrylene tetracarboxylic acid diimides |
| 11/09/1999 | US5981773 Reacting a corresponding perylene-3,4:9,10-tetracarboxylic dianhydride with a sterically hindered amine, as a base, at an elevated temperature |
| 10/26/1999 | US5973038 For molding material |
| 10/13/1999 | EP0948570A1 Method for preparing light-absorbing polymeric compositions |
| 09/30/1999 | WO1999048981A1 Novel anthrapyridone compounds, water-based magenta ink composition, and method of ink-jet recording |
| 09/29/1999 | CN1230203A Anthrapyridone compounds, water-base ink compsn. and articles colored therewith |
| 09/28/1999 | US5958129 Pigment formulations and processes for their preparation |
| 09/16/1999 | WO1999046341A1 Water-based magenta ink composition and method of ink-jet recording |
| 09/07/1999 | US5948910 Water-soluble perylene dyestuffs, their preparation and their use |
| 08/25/1999 | EP0937724A1 Perylene compounds and their use as pigment dispersants |
| 08/17/1999 | US5938795 Method for preparing tinted contact lens |
| 07/27/1999 | US5929239 Bifluorophoric perylene colourants |
| 07/07/1999 | EP0927747A1 Anthrapyridone compounds, water-base ink composition, and articles colored therewith |
| 06/24/1999 | WO1999031069A1 Perylene imide monocarboxylic acids as colorants |
| 06/09/1999 | EP0804508B1 Process for producing and purifying perylene-3,4-dicarboxylic acid imides |
| 06/02/1999 | EP0918826A1 Method for the production of n,n'-dialkyl perylene-3,4,9,10-tetracarboxylic acid diimides |
| 06/02/1999 | EP0918753A1 Process for producing perylene-3,4-dicarboxylic acid imides |
| 05/04/1999 | US5900490 Preparation of perylene-3, 4-Dicarboxylic acid anhydrides |
| 04/28/1999 | EP0804507B1 Substituted quaterrylene tetracarboxylic acid diimides |
| 03/23/1999 | US5886160 Thermal treatment |
| 02/24/1999 | CN1209131A 1,7-diaroxy-or 1,7-diarylthio-substituted perylene-3,4,9,10-tetracarboxylic acid and their dianhydrides and diimides |
| 02/23/1999 | US5874580 Fluorescent perylene pigments |
| 02/17/1999 | EP0896964A2 Perylenehydrazideimides as carbonyl derivatizing agents |