| Patents for C09B 33 - Disazo or polyazo dyes of the types a k b, a b k c, or the like, prepared by diazotising and coupling (1,032) |
|---|
| 04/10/2002 | CN1344295A High light-fastness yellow dye compsn. |
| 03/28/2002 | DE10045790A1 Neue kristalline Modifikationen eines gelben Disazo -Farbmittels und Verfahren zu ihrer Herstellung New crystalline modifications of a yellow Disazo -Farbmittels and process for their preparation |
| 03/20/2002 | EP1188800A1 New crystal modifications of a yellow disazo colorant and a process for their production |
| 03/13/2002 | CN1339541A N,N'-di-substituted anilino aromatic dimethylamide azo color series |
| 02/07/2002 | US20020014179 Thermally treating a liquid prepigment suspension in a microreactor |
| 01/24/2002 | US20020010286 Multifunctional cyanate ester and epoxy blends |
| 01/10/2002 | DE10032019A1 Verfahren zur Herstellung von Disazokondensationspigmenten in Mikroreaktoren A process for preparing disazo condensation pigments in microreactors |
| 01/10/2002 | DE10031558A1 Verfahren zur Konditionierung von organischen Pigmenten A process for conditioning organic pigments |
| 01/09/2002 | CN1330116A Conditioning of organic pigment |
| 01/09/2002 | CN1330115A Method for preparting tetrazo condensation pigment in micro-reactor |
| 01/02/2002 | EP1167461A2 Process for conditioning organic pigments |
| 01/02/2002 | EP1167460A1 Process for the preparation of disazo condensation pigments in microreactors |
| 01/02/2002 | EP1165695A1 High light-fastness yellow dye composition |
| 10/17/2001 | CN1318089A Strong grene-shade yellow disazo pigment |
| 10/11/2001 | WO2001074950A2 Mono- and bis-hydrazone pigments |
| 10/11/2001 | CA2403328A1 Mono- and bis-hydrazone pigments |
| 07/25/2001 | EP1117743A1 Composition containing two different disazo dyestuffs useful for ink jet recording |
| 07/11/2001 | EP1114106A2 Dye compositions, inks and disazo dyes |
| 07/03/2001 | US6254671 Very green-shade yellow metallized disazo pigment |
| 06/26/2001 | US6251174 Ink composition containing at least two azo dyes |
| 06/06/2001 | EP1104444A1 Strong green-shade yellow disazo pigment |
| 05/25/2001 | WO2001036540A1 Very green-shade yellow metallized disazo pigment |
| 05/23/2001 | CN1066178C Cation acid dye, preparation and use thereof |
| 04/12/2001 | WO2001026105A1 Method for digitally and optically storing data |
| 04/12/2001 | DE19947579A1 Verfahren zur digitalen optischen Datenspeicherung Method of digital optical data storage |
| 04/03/2001 | US6211347 Inks, color filters |
| 03/21/2001 | EP1084201A1 Use of lithium salts of anionic dyes to enhance their light-fastness |
| 03/01/2001 | WO2001014319A1 4,6-bis(substituted)phenylazoresorcinol and process for producing 4,6-diaminoresorcinol |
| 01/11/2001 | DE19931322A1 Verfahren zur Herstellung hochkonzentrierter Pigmentpreßkuchen Process for the preparation of highly concentrated pigment press |
| 01/10/2001 | EP1067156A1 Process for the preparation of high concentrated pigment presscakes |
| 12/26/2000 | US6165681 Black-pigmented structured high molecular weight material |
| 12/12/2000 | US6160101 Azo dyes, their preparation and their use |
| 10/31/2000 | US6141027 Electrochemically depositing a diazo dye to form the image |
| 10/31/2000 | US6140477 Near-infrared ray absorbing polyazo compound |
| 10/31/2000 | US6140368 Viricidal properties against retroviruses; inhibitors of hiv reverse transcriptase and/or hiv integrase; aids therapy; nontoxic; also topical treatment of retroviral diseases, e.g. herpes simplex. |
| 10/10/2000 | US6130320 Acid disazo dyes as well as sulphonamides as their intermediate product |
| 10/05/2000 | WO2000058407A1 High light-fastness yellow dye composition |
| 09/21/2000 | DE19911536A1 Rote Säurefarbstoffe für den Tintenstrahldruck und Papiereinfärbung Red acid dyes for ink jet printing paper and coloring |
| 09/20/2000 | EP1036823A1 Red acid dyes for ink-jet printing and for colouring paper |
| 09/20/2000 | CN1266869A Azo dye, and its preparing process and use |
| 09/19/2000 | US6120944 An optical color filter comprising extremely fine organic pigment particles in multi-thin layers |
| 09/19/2000 | US6120561 Process for the preparation of low-salt, liquid dyestuff preparations |
| 09/13/2000 | EP1035171A1 Azodyestuffs, their production and use |
| 09/06/2000 | EP0891395B1 Trisazo dyes |
| 08/02/2000 | CN1261908A Pigment dispersion containing C. I. pigment red 222 |
| 06/13/2000 | US6075131 Monoazocompounds with an indanyl moiety |
| 06/06/2000 | US6072042 Useful as a raw material for novel azo pigments |
| 06/06/2000 | US6071989 Process for preparing fine pigment dispersions |
| 05/25/2000 | WO2000015723A3 Dye compositions, inks and disazo dyes |
| 05/03/2000 | CN1252135A Highly transparent, color-pigmented high molecular weight material |
| 04/19/2000 | EP0993490A1 Method for producing fine pigment dispersions |
| 04/19/2000 | EP0993489A1 Pigment dispersions containing c.i. pigment red 222 |
| 04/13/2000 | WO2000020513A1 Composition containing two different disazo dyestuffs useful for ink jet recording |
| 03/23/2000 | WO2000015723A2 Dye compositions, inks and disazo dyes |
| 02/24/2000 | WO2000009614A1 Strong green-shade yellow disazo pigment |
| 02/22/2000 | US6028180 Comprising water, a water-dissipatable polymer and one or more trisazo dyes having a benzene ring carrying a hydroxy group at each of the 1-, 3- and 5-positions and an azo group at each of the 2-, 4- and 6-positions; ink jet printer |
| 02/22/2000 | US6028179 Trisazo dyes |
| 01/26/2000 | EP0974075A1 Black-pigmented structured high molecular weight material |
| 01/26/2000 | EP0974074A1 Highly transparent, colour-pigmented high molecular weight material |
| 01/19/2000 | EP0971987A1 Ink composition containing at least two azo dyes |
| 01/04/2000 | US6010567 Black-pigmented structured high molecular weight material |
| 12/21/1999 | US6005085 Condensed azo compounds and process for preparing the same |
| 12/16/1999 | WO1999064526A1 Use of lithium salts of anionic dyes to enhance their light-fastness |
| 12/14/1999 | US6001168 For pigmenting high molecular mass material, such as for inks, toners, coating materials, color filters and cosmetics, resins, caseins, cellulose ethers, celulose esters, polymers, polyolefins |
| 09/30/1999 | DE19913336A1 New near infrared absorbing polyazo compounds used e.g. in recording media, photoconductors, filters, transducers or screens |
| 08/25/1999 | CN1226911A Condensed azo compound and process for producing the same |
| 07/20/1999 | US5925746 Azo dyes, processes for their preparation and the use thereof |
| 07/13/1999 | US5922448 Multifunctional cyanate ester and epoxy blends |
| 06/15/1999 | US5912308 Polyepoxides, epoxy resins, polycyanates and polytriazines |
| 05/06/1999 | EP0913430A1 Condensed azo compound and process for producing the same |
| 04/06/1999 | US5891227 Inks from naphthol, disazo dyes |
| 03/30/1999 | US5889162 Coupling a diazonium component made from one or more aromatic amines such as 2-ethoxyaniline with at least one coupling agent; suitable for use in plastics, paints and inks |
| 03/10/1999 | CN1210516A Bis-(aminocarbonylnaphthol) derivatives |
| 01/20/1999 | EP0891395A1 Trisazo dyes |
| 01/20/1999 | EP0765154B1 Direct-acting hair colouring agent |
| 01/14/1999 | WO1999001512A1 Pigment dispersions containing c.i. pigment red 222 |
| 01/14/1999 | WO1999001511A1 Method for producing fine pigment dispersions |
| 01/07/1999 | EP0889098A2 Azo dyes, process for their preparation and the use thereof |
| 12/09/1998 | EP0882705A1 Bis(aminocarbonylnaphthol) derivative |
| 11/18/1998 | EP0877775A2 Acid disazo dyes as well as sulphonamides as their intermediate product |
| 11/12/1998 | WO1998050347A1 Naphthols useful in antiviral methods |
| 11/10/1998 | US5834602 Acid disazo dyes |
| 10/15/1998 | WO1998045757A1 Black-pigmented structured high molecular weight material |
| 10/15/1998 | WO1998045756A1 Highly transparent, colour-pigmented high molecular weight material |
| 10/08/1998 | WO1998044053A1 Ink composition containing at least two azo dyes |
| 09/24/1998 | WO1998041580A1 Condensed azo compound and process for producing the same |
| 09/24/1998 | CA2255592A1 Condensed azo compound and process for producing the same |
| 09/16/1998 | CN1193331A Acid disazo dyes |
| 09/15/1998 | US5808016 Disazo dyestuffs |
| 09/09/1998 | EP0794979B1 Blends of cyanate-triazine copolymers and epoxy resins |
| 07/01/1998 | EP0850279A1 Acid disazo dyes |
| 06/30/1998 | US5773593 Waterfastness, lightfastness, optical density |
| 06/25/1998 | WO1998027165A1 Monoazocompounds with an indanyl moiety |
| 06/17/1998 | EP0572599B1 Ion-sensitive dyes |
| 05/26/1998 | US5756692 Chemical compounds |
| 04/23/1998 | WO1998016498A1 Bis(aminocarbonylnaphthol) derivative |
| 03/25/1998 | EP0831129A1 Disazodyestuffs |
| 02/25/1998 | EP0825233A2 Aqueous dyestuff preparations |
| 12/09/1997 | US5696242 Polyazo dyes containing the radical of a bis-coupling component, and process for their production |
| 12/03/1997 | EP0679173B1 Azo compound |