Patents for C09B 19 - Oxazine dyes (673)
04/2001
04/24/2001US6222047 Pyrocarbonic acid diesters and the preparation and use thereof
04/18/2001EP0968250B1 Soluble chromophores having improved solubilising groups
04/10/2001US6214990 2,9-bis(4-methoxybenzoyloxy),3,10-dimethoxy,6,13-dichloro -phenodioxazine, for example; dye has narrow light aborption band and high dichroic ratio
04/10/2001US6214989 Triphendioxazine pigments
04/04/2001CN1064063C Process for producing dioxazine compounds
03/2001
03/21/2001EP1085056A2 Addition products from acryloylamino-substituted dyes, their production and use
03/15/2001WO2001018124A1 Red-emitting [8,9]benzophenoxazine nucleic acid dyes and methods for their use
02/2001
02/07/2001EP1073661A1 Dioxazine derivatives and their use as dyestuffs
01/2001
01/10/2001EP1066340A1 Triphendioxazine dyestuffs for dyeing organic substrates
12/2000
12/26/2000US6166202 Benzophenoxazine dyes
12/19/2000US6162261 Triphendioxazine
12/07/2000DE10026131A1 Unsymmetrische Dioxazinverbindung, dichromatischer Farbstoff, Flüssigkristallzusammensetzung und Flüssigkristallanzeigeelement Unbalanced dioxazine, dichroic dye liquid crystal composition and liquid crystal display element
12/05/2000US6156360 Stabilized annatto-caramel food colorant
11/2000
11/30/2000WO2000071545A1 Triphendioxazine compounds
10/2000
10/31/2000US6140500 The new dyes are brighter and permeate cells faster than currently available red-emitting live-cell nucleic acid stains.
10/25/2000EP1046681A2 Hybrid pigments
10/25/2000EP1046680A2 Pigments, the process of their manufacture and their use
10/24/2000US6136970 Asymmetric dioxazine compounds and method for dyeing or printing fiber materials using the same
10/18/2000CN1057552C Triphenodioxazine dyes and preparation and application of same
10/03/2000US6127549 Fluorescent indigo pigments
09/2000
09/28/2000DE19913401A1 Verfahren zur Herstellung von Dioxazin-Verbindungen A process for producing dioxazine compounds
09/27/2000EP1038923A2 Process for producing dioxazine compounds
09/08/2000WO2000051967A1 Oxyalkylene-substituted aminophenol intermediate
09/06/2000CN2395308Y Calculating disc for baby
07/2000
07/12/2000EP0894282A4 Liquid crystal display and method
05/2000
05/23/2000US6065836 Photochromic ophthalmic lens
05/16/2000US6063924 N-(alkenyl or alkynyl)oxycarbonyl substituted chromophore derivatives; soluble organic pigments
03/2000
03/21/2000US6040482 Produced in a single step by reacting an oxyalkylene oxide or oxyalkylester having from 3 to 12 carbon atoms, glycidol, or a glycidyl with an aminophenol without the use of a catalyst and at low temperatures; xanthene, coumarin dyes
02/2000
02/10/2000WO2000007040A1 Photochromic ophthalmic lens
02/10/2000CA2338225A1 Photochromic ophthalmic lens
01/2000
01/11/2000US6013777 Process for the preparation of fluorescent pigments
01/11/2000US6013776 Carbamate-containing soluble chromogens exhibiting solid state fluorescence in the uv range
01/05/2000EP0968250A1 Soluble chromophores having improved solubilising groups
12/1999
12/21/1999US6005084 Asymmetric triphenylenedioxazine compounds
12/09/1999DE19924382A1 Triphenodioxazinverbindung, Herstellungsverfahren dafür, Verwendung der Verbindung als dichroitischer Farbstoff und Flüssigkristallzusammensetzung Triphenodioxazine compound, processes for its preparation, use of the compound as a dichroic dye and liquid crystal composition
12/09/1999DE19824663A1 Reactive triphenodioxazine dyes useful for dyeing and printing e.g. cotton, wool and synthetic polyamide
11/1999
11/02/1999US5977358 Asymmetric dioxazine compounds, intermediate compounds therefor and application of the asymmetric dioxazine compounds
10/1999
10/28/1999WO1999054334A1 Dioxazine derivatives and their use as dyestuffs
10/14/1999WO1999051681A1 Triphendioxazine dyestuffs for dyeing organic substrates
09/1999
09/29/1999EP0945455A1 Thriphendioxazine pigments
09/22/1999EP0943661A2 Chromophoric compounds and their preparation process
08/1999
08/31/1999US5944854 Process for the preparation of triphendioxazine dyestuffs amidated on both sides, and novel triphendioxazine dyestuffs
08/03/1999US5932727 N-hetarene-n-oxyl ring closure agent
07/1999
07/14/1999EP0928814A2 Process for the manufacture of dioxazine compounds
06/1999
06/29/1999US5917035 Oxazine dyes, their preparation and the use thereof
06/10/1999WO1999012937A3 Novel triphenodioxazines and their use as blue, light fast aox and heavy metal free substances
06/02/1999CN1218557A Liquid crystal display and method
05/1999
05/14/1999WO1999023171A1 Triphendioxazine colorants
05/14/1999WO1999023170A1 Triphendioxazine colorants
05/06/1999DE19748357A1 Blaue, AOX-freie Triphendioxazin-Farbstoffe Blue, AOX-free triphendioxazine dyes
05/06/1999DE19748356A1 Triphendioxazinfarbstoffe Triphendioxazine
04/1999
04/28/1999EP0911337A1 New triphendioxazine compounds
03/1999
03/23/1999US5886160 Thermal treatment
03/18/1999WO1999012937A2 Novel triphenodioxazines and their use as blue, light fast aox and heavy metal free substances
03/18/1999DE19739983A1 Neue Triphendioxazine New triphendioxazines
02/1999
02/23/1999US5874580 Fluorescent perylene pigments
02/03/1999EP0894282A1 Liquid crystal display and method
01/1999
01/12/1999US5859242 Process for producing dioxazine compounds, colored materials therewith and dioxazine compounds having a plate-like crystal form
01/07/1999EP0889046A1 Triphendioxazines and their use as pigments
12/1998
12/23/1998EP0885263A1 Benzophenoxazine dyes
11/1998
11/17/1998US5837869 Asymmetric dioxazine compounds, intermediate compounds therefor and application of the asymmetric dioxazine compounds
09/1998
09/22/1998US5811543 Fluorescent carbamate-modified phthalocyanine pigments
08/1998
08/11/1998US5792389 Water soluble laser dyes
07/1998
07/30/1998WO1998032802A1 Soluble chromophores having improved solubilising groups
07/30/1998CA2275965A1 Soluble chromophores having improved solubilising groups
07/14/1998US5780627 Fluorescent dioxazine pigments
06/1998
06/24/1998CN1185438A Preparation method for dioxazine compound
06/09/1998US5762652 Color mixtures comprising a triazine dyes and an azo dyes or a benzotriazole dyes
05/1998
05/12/1998US5750758 Pyrocarbonic acid diesters and the preparation and use thereof
05/12/1998US5750689 Triphendioxazine compounds
04/1998
04/30/1998DE19643773A1 Photo:chromic spiro:oxazine compounds
04/22/1998EP0837107A1 Process for the manufacture of dioxazine compounds
03/1998
03/31/1998US5734050 Process for producing dioxazine compounds, colored materials therewith and dioxazine compounds having a plate-like crystal form
03/31/1998US5733363 Water fastness; solution solubility
03/31/1998US5733343 Trichromatic principle
03/03/1998US5723626 Fluorescent isoindoline pigments
12/1997
12/16/1997US5698490 Thermal transfer ink ribbons using the same
12/09/1997US5696258 Reducing to leuco form; reoxidation
10/1997
10/23/1997WO1997039380A1 Liquid crystal display and method
10/21/1997CA2011642C Benzoxazine dyes
09/1997
09/02/1997US5663042 Light and heat sensitive silver halide elemennts
09/02/1997US5662739 Dioxazine pigments and quinacridone dyes and color strength
08/1997
08/14/1997WO1997029154A1 Benzophenoxazine dyes
08/12/1997US5656759 Hydrophobic cationic dye compounds
08/05/1997US5653773 Process for dyeing or printing fibre materials containing hydroxyl groups
05/1997
05/14/1997EP0773264A1 Process for the preparation of triphenodioxazine dyes amidated on both sides and triphenodioxazine dyes
04/1997
04/30/1997CN1148585A Soluble chromophore containing solubilizing group easy to be removed
04/16/1997EP0592396B1 Benzoxazine dyes
03/1997
03/26/1997EP0764628A1 Diesters of pyrocarbonic acid, their preparation and their use
03/12/1997EP0761772A1 Soluble chromophors containing solubility-enhancing groups which separate easily therefrom
03/12/1997EP0761766A2 Asymmetric triphenylenedioxazine compounds
01/1997
01/29/1997CA2182147A1 Soluble chromophores containing solubilising groups which can be easily removed
12/1996
12/11/1996EP0747447A2 Novel oxazine dyes and their use as fluorescent label
10/1996
10/22/1996CA1338668C Pigments and use thereof
10/15/1996US5565563 Triphendioxazine compounds
10/01/1996US5561232 Carbamate group-containing soluble chromophores; solid state fluorescence in the ultraviolet range
09/1996
09/17/1996US5556456 Organic dioxazine pigments for paints or printing inks in nonaqueous dispersion systems
09/04/1996EP0729491A1 Triphenodioxazine compounds
09/03/1996US5552547 Organometallic complexes with built-in fluorescent dyes for use in light emitting devices
08/1996
08/14/1996EP0726304A2 Organometallic complexes with built-in fluorescent dyes for use in light emitting devices
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