Issued Patents All Time
Showing 1–25 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6376656 | Reactive dyestuffs containing monohagenotriazine and vinylsulfone groups, their preparation and use | Klaus Kunde | 2002-04-23 |
| 6124441 | Monoaso compounds containing a fluoro-triazinyl group linked with a fiber-reactive group of the vinyl sulfone series via an ethyl-n-methyly-amino group, suitable as dyestuffs | Stefan Ehrenberg | 2000-09-26 |
| 6025478 | Reactive dyestuffs containing monohalogenotriazine and vinylsulfone groups, their preparation and use | Klaus Kunde | 2000-02-15 |
| 5944854 | Process for the preparation of triphendioxazine dyestuffs amidated on both sides, and novel triphendioxazine dyestuffs | Christian Schumacher | 1999-08-31 |
| 5856472 | Reactive aluminum phthalocyanine dyestuffs, processes for their preparation and their use | Klaus Saitmacher | 1999-01-05 |
| 5780621 | Aluminum phthalocyanine reactive dyes | Wolfgang Harms, Willi Brust | 1998-07-14 |
| 5709717 | Phthalocyanine reactive dyestuff mixture | Wolfram Reddig, Wolfgang Harms | 1998-01-20 |
| 5696258 | Process for the preparation of triphendioxazine dyestuffs amidated on both sides | Christian Schumacher | 1997-12-09 |
| 5686642 | Compounds useful for the preparation of bi-and polyfunctional reactive dyestuffs | Konrad Bootz, Manfred Hoppe, Eckhard Bock, Wolfram Reddig, Thomas Eizenhofer +1 more | 1997-11-11 |
| 5675040 | Process for the preparation of sulphones | Wolfgang Harms, Udo-Winfried Hendricks, Klaus Kunde | 1997-10-07 |
| 5663442 | Process for the preparation of sulphones | Wolfgang Harms, Udo-Winfried Hendricks, Klaus Kunde | 1997-09-02 |
| 5591834 | Reactive dyestuffs having reactive fluorine-containing pyrimidyl radicals | Konrad Bootz | 1997-01-07 |
| 5554731 | Process for the preparation of aminoazo dyes | Peter Roschger | 1996-09-10 |
| 5538518 | Dyeing OH- or amido-containing materials with reactive dyestuffs containing a difluoropyrimidine radical | Wolfram Reddig | 1996-07-23 |
| 5493010 | SO.sub.2 -containing fiber-reactive azo dyestuffs | Konrad Bootz, Eckhard Bock, Manfred Hoppe, Klaus Kunde, Wolfram Reddig | 1996-02-20 |
| 5460631 | Bifunctional reactive dyestuff mixture | Manfred Hoppe, Konrad Bootz, Stefan Ehrenberg, Thomas Eizenhofer, Wolfgang Harms +4 more | 1995-10-24 |
| 5436324 | Reactive dyestuffs containing a difluoropyrimidine radical | Wolfram Reddig | 1995-07-25 |
| 5434251 | Symmetric azo dyestuffs | — | 1995-07-18 |
| 5432266 | Fiber-reactive monoazo and disazo dyes | Peter Roschger | 1995-07-11 |
| 5428141 | Azo dyestuffs containing fluorotriazinyl and vinylsulfonylmethyl-type reactive groups | Thomas Eizenhofer, Wolfgang Harms, Manfred Hoppe, Wolfram Reddig | 1995-06-27 |
| 5420256 | 2-amino-4-phenylamino-1,3,5-triazinyl reactive dyestuffs, process for their preparation and their use dye cellulose or polyamides | Thomas Eizenhofer, Wolfgang Harms | 1995-05-30 |
| 5414131 | Process for preparing [5-amino-2-(2-hydroxyethylamino)-phenyl](2-hydroxyethyl)sulphone | Hermann Henk | 1995-05-09 |
| 5412078 | Reactive pyridone-containing dyestuffs, their preparation and their use | Thomas Eizenhofer, Wolfgang Harms | 1995-05-02 |
| 5410081 | Process for the preparation of amino-substituted thioethers | Klaus Kunde | 1995-04-25 |
| 5405947 | Triazine ring-containing reactive dyestuffs, their preparation and use | Manfred Hoppe, Eckhard Bock, Wolfram Reddig, Thomas Eizenhofer, Wolfgang Harms | 1995-04-11 |