Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6060591 | Water-soluble fiber-reactive dyes, processes for their preparation, and their use | Wilfried Hansmann, Hermann Henk, Stefan Ehrenberg | 2000-05-09 |
| 6046311 | Water-soluble fiber-reactive dyes, preparation thereof and use thereof | Wilfried Hansmann, Hermann Henk, Stefan Ehrenberg | 2000-04-04 |
| 5762652 | Process for dyeing or printing fibre materials containing hydroxyl groups | Joachim Wolff, Ulrich Hanxleden | 1998-06-09 |
| 5760193 | Triazinyl-substituted fiber-reactive azo dyes wherein the triazinyl groups bear an N-containing substituent, and methods of using same | Werner Russ, Christian Schumacher | 1998-06-02 |
| 5709717 | Phthalocyanine reactive dyestuff mixture | Karl-Josef Herd, Wolfgang Harms | 1998-01-20 |
| 5686642 | Compounds useful for the preparation of bi-and polyfunctional reactive dyestuffs | Konrad Bootz, Manfred Hoppe, Eckhard Bock, Thomas Eizenhofer, Wolfgang Harms +1 more | 1997-11-11 |
| 5653773 | Process for dyeing or printing fibre materials containing hydroxyl groups | Joachim Wolff, Ulrich Hanxleden | 1997-08-05 |
| 5597902 | Bi -and polyfunctional reactive dyestuffs, their prepartion and their use | Konrad Bootz, Manfred Hoppe, Eckhard Bock, Thomas Eizenh ofer, Wolfgang Harms +1 more | 1997-01-28 |
| 5541300 | Azo dyestuffs carrying sulphonylated amino-halo-triazinyl reactive site plus second different site | Konrad Bootz, Eckhard Bock, Manfred Hoppe | 1996-07-30 |
| 5538518 | Dyeing OH- or amido-containing materials with reactive dyestuffs containing a difluoropyrimidine radical | Karl-Josef Herd | 1996-07-23 |
| 5493010 | SO.sub.2 -containing fiber-reactive azo dyestuffs | Karl-Josef Herd, Konrad Bootz, Eckhard Bock, Manfred Hoppe, Klaus Kunde | 1996-02-20 |
| 5460631 | Bifunctional reactive dyestuff mixture | Manfred Hoppe, Karl-Josef Herd, Konrad Bootz, Stefan Ehrenberg, Thomas Eizenhofer +4 more | 1995-10-24 |
| 5436324 | Reactive dyestuffs containing a difluoropyrimidine radical | Karl-Josef Herd | 1995-07-25 |
| 5428141 | Azo dyestuffs containing fluorotriazinyl and vinylsulfonylmethyl-type reactive groups | Karl-Josef Herd, Thomas Eizenhofer, Wolfgang Harms, Manfred Hoppe | 1995-06-27 |
| 5405947 | Triazine ring-containing reactive dyestuffs, their preparation and use | Manfred Hoppe, Eckhard Bock, Thomas Eizenhofer, Wolfgang Harms, Karl-Josef Herd | 1995-04-11 |
| 5401277 | Reactive dyestuffs | Karl-Josef Herd | 1995-03-28 |
| 5359041 | Pyridone dyestuffs | Karl J. Herd | 1994-10-25 |
| 5342927 | Reactive dyestuffs for the dyeing and printing of hydroxyl-or amino-containing materials | Karl-Josef Herd | 1994-08-30 |
| 5340928 | Reactive dyestuff containing triazinyl and halopyrimidine moieties | Manfred Hoppe, Karl-Josef Herd, Thomas Eizenhofer, Wolfgang Harms, Hermann Henk +1 more | 1994-08-23 |
| 5332813 | Process for the continuous reaction of difluorotriazinyl compounds with amines | Manfred Hoppe, Wolfgang Mullers, Hans-Georg Frosch, Richard Sommer, Siegbert Arnold | 1994-07-26 |
| 5319074 | Bifunctional reactive dyestuffs containing vinylsulphone or alkylsulphone groups and a 2,4 difluoro pyrimidine group | Karl-Josef Herd, Ernst Kysela | 1994-06-07 |