Patents for C09B 45 - Complex metal compounds of azo dyes (1,560)
10/2004
10/14/2004WO2004088649A2 High-capacity optical storage media
10/14/2004WO2004087814A1 Magenta metal chelate dyes and their use in ink-jet printers
10/14/2004WO2004087675A1 Monoazo iron complex compound, charge control agent containing the same, and toner
10/14/2004US20040204572 1:2 cromium complex dyes
10/14/2004US20040204570 Coupling a 1-hydroxy-3,6-sulfonic acid-naphthalene derivative with a nitroaniline comound to form nitro monoazo dye, reducing the resultant dye in aqueous solution
09/2004
09/30/2004US20040191660 Electrophotographic printing method, monoazo iron complex compound, charge controlling agent using the same and toner using the charge controlling agent
09/30/2004DE10311562A1 Metal complex for use as light absorber in optical data carriers, e.g. DVD's, has azo ligands with a 5-membered heteroaromatic ring on one side and an N-sulfonamido m-phenylenediamine residue on the other
09/21/2004US6794114 2-azo-benzothiazole chelate dyes
09/16/2004WO2004078859A1 Magenta metal chelate dyes and their use in ink-jet printers
09/14/2004US6790490 Dye type polarizing plate
09/01/2004CN1525252A Jp2004199039
08/2004
08/26/2004WO2004072185A1 Azo metal dyes and optical data carrier containing one such azo metal dye as a light absorbing compound in the information layer
08/26/2004WO2004072184A1 Metal complexes as light-absorbing compounds in the information layer of optical data carriers
08/26/2004WO2004072087A2 Metal complexes as light-absorbing compounds in the information layer of optical data carriers
08/26/2004US20040163568 can provide images which exhibit enhanced stability to light and ozone
08/26/2004DE10305925A1 Metal complex for use as light absorber in optical data carriers, e.g. DVD's, has azo ligands with a 5-membered heteroaromatic ring on one side and an N-sulfonamido m-phenylenediamine residue on the other
08/26/2004DE10305924A1 New metal complexes with heterocyclic azo ligands useful as light-absorbing compounds in the information layers of write-once optical data carriers
07/2004
07/28/2004EP1440126A1 Method of producing low-dust pigment compositions
07/22/2004US20040142137 Fast-writable and precision-writable high-capacity optical storage media
07/21/2004EP1438356A1 1:2 metal complex dyes, their compositions, their production and their use
07/21/2004CN1158356C Metal matches pigment
07/20/2004US6764524 1:2 chromium complex dyes, their production and use
07/20/2004CA2097458C Metal chelate compound and optical recording medium using the compound
07/14/2004EP1436354A2 Process for making green pigment compositions useful for colour filters and lcd's
07/08/2004US20040128775 Used for ink jet printing and provides high light-resisting and neutral black ink formulations
06/2004
06/30/2004EP1432766A1 1:2 chromium complex dyes
06/29/2004US6756488 Improved compound which presents high density and neutral black color having no other color tint, excellent water resistance and image storability (light resistance, dark heat storability and ozone resistance)
06/29/2004US6756485 Development latent images
06/29/2004US6755903 Metal chelated dyestuff for inkjet recording and aqueous inkjet recording liquid using the same
06/16/2004CN1505665A Dye combination
06/15/2004US6749674 Black trisazo metal complex dyes
06/10/2004US20040107518 Mass coloration of substrates, as colorants in electrophotographic toners and developers, in powders and powder coating materials, in ink-jet inks and in cosmetic compositions; colorfastnessfast; heat and chemical resistance; azo-methine dyes
06/09/2004EP1426830A1 Charge control agent and toner for electrostatic image development
06/03/2004WO2004046252A1 Trisazo dyes for inks for ink jet printing
06/02/2004EP1268674B1 Black tris azo metal complex dyes
05/2004
05/27/2004WO2004044069A1 Azo metal-complexed dyes, ink jet ink compositions and ink jet printing methods
05/27/2004WO2004013234A3 Metal complexes as light-absorbing compounds in the information layer of optical data carriers
05/21/2004WO2004041940A1 Metal complex azo dyes and their use in ink-jet printing
05/21/2004WO2003068139A3 Water-soluble yellow azo dyes
05/20/2004US20040097618 Monoazo metal complex compound containing composition and production method thereof
05/18/2004US6737517 Metal chelated azo dyestuff for inkjet recording and recording liquid for inkjet and inkjet recording method using same
04/2004
04/28/2004EP1412942A1 Fast-writable and precision-writable high-capacity optical storage media
04/28/2004CN1147846C Complex polymethine dyes and their use
04/27/2004US6727351 Azoxy dyes and their Cu complexes
04/22/2004US20040074018 Colorant composition
04/14/2004EP1408091A1 Disazo compound, dye, ink and ink-jet recording method
04/08/2004WO2004029158A1 Metal complexes of azo dyes and their uses in ink-jet printing
04/08/2004WO2003098617B1 Optical storage media comprising pentacyclic xanthylium dyes
04/08/2004US20040068103 Copper complex monoazo dyes and thier prepartion and use
04/08/2004DE3715066B4 Sulfonsäuregruppenfreie und sulfonsäuregruppenhaltige basische Azoverbindungen, Verfahren zur Herstellung der Verbindungen und ihre Verwendung Sulfonsäuregruppenfreie sulfonic acid and basic azo compounds, process for preparing the compounds and their use
04/06/2004US6716563 Azo dyes and azo-metal complexes for atomic force microscope lithography
04/01/2004US20040063920 The dyes of formula (1) according to claim 1 and the copper complexes of dyes of formula (2) according to claim 9 or the mixtures of mono-copper complex with the bis-copper complex are excellently suitable for dyeing paper with good
03/2004
03/31/2004EP1403328A1 Copper complex monoazo dyes, their preparation and their use
03/31/2004EP1401963A1 Dye combination
03/31/2004CN1486348A Colorant composition
03/30/2004US6712890 Water soluble dyes having good lightfastness and optical density
03/24/2004CN1483764A Novel dye for thermal-transprinting
03/18/2004US20040054154 Printing, dyeing textiles; fiber-reactive dye
03/18/2004US20040054153 Dyeing cotton, leather, wool, polyamide, paper
03/17/2004CN1483064A Use of copper complexes of disazo dyes for dyeing natural and synthetic material
03/17/2004CN1483063A Disazo dyes, and copper complexes thereof, for dyeing paper
03/04/2004WO2003098617A3 Optical storage media comprising pentacyclic xanthylium dyes
03/03/2004EP1394575A1 Optical device
03/03/2004CN1140590C Pigment preparation
03/02/2004US6699976 Covering region of from 500 to 580 nm and particularly excellent in initial polarization ability
02/2004
02/25/2004CN1478208A Optical device
02/25/2004CN1139640C 1:2 chromium complex dyes, their production method and use
02/12/2004WO2004013234A2 Metal complexes as light-absorbing compounds in the information layer of optical data carriers
02/11/2004CN1474850A Colored thermoplastic resin compositions for laser welding, anthraquinone colorants therefor and molded product therefrom
02/10/2004US6689872 Azo metal chelate compound
02/05/2004WO2004011562A1 Ink
02/05/2004WO2004011561A1 Ink
02/05/2004US20040021928 Electrolytes for electrooptic devices comprising ionic liquids
02/05/2004US20040020404 Printing an image on a substrate comprising applying thereto a formulation comprising a liquid medium and a compound containing azo groups and metallized 1,8-dihydroxynaphthyl group
02/05/2004DE10234288A1 Metallkomplexe als lichtabsorbierende Verbindungen in der Informationsschicht von optischen Datenträgern Metal complexes as light-absorbing compounds in the information layer of optical media
02/04/2004CN1473153A Hetero-anellated ortho-aminophenols
01/2004
01/22/2004WO2004007622A1 Water-soluble complex dye, recording fluid, and method of recording
01/22/2004WO2004007621A1 Water-soluble complex dye, recording fluid, and method of recording
01/22/2004WO2004007620A1 Water-soluble complex dye, recording fluid, and method of recording
01/14/2004CN1468286A Metal complex colouring agents based on bucherer naphthols
01/06/2004US6673140 Ink-jet inks and ink sets providing excellent gamut, image quality, and permanence
12/2003
12/31/2003WO2004001877A2 Electrolytes for electrooptic devices comprising ionic liquids
12/25/2003WO2003106572A1 Printing process using specified azo compounds
12/25/2003US20030235783 Optical recording medium and method for making the same
12/18/2003WO2003104332A1 Compositions and inks containing disazo dyes
12/11/2003US20030226221 Ink jet recording using disazo dyes
12/10/2003EP1369861A2 Optical recording media
12/10/2003EP1368432A1 Colorant composition
12/03/2003EP1161499B1 Azoxy dyes and their cu complexes
11/2003
11/27/2003WO2003098618A1 High-performance optical storage media
11/27/2003WO2003098617A2 Optical storage media comprising pentacyclic xanthylium dyes
11/12/2003EP1257602B1 Method for production of azo dyes in microreactors
11/12/2003CN1454937A High-solubility metal-complex azo dye for DVD-R optical disk
10/2003
10/22/2003EP1353986A2 Colored thermoplastic resin compositions for laser welding, anthraquinone colorants therefor and molded product therefrom
10/16/2003US20030195342 Compound, dye, ink and ink-jet recording method
10/15/2003EP0946941B1 Complex polymethine dyes and their use
10/15/2003CN1448443A Metal complex compound
10/02/2003US20030187234 Development latent images
10/02/2003US20030187108 Metal complexes
10/01/2003EP1348738A2 Metal complex pigments
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