Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5401277 | Reactive dyestuffs | Wolfram Reddig | 1995-03-28 |
| 5378817 | Reactive dyestuffs for dyeing and printing materials containing OH groups or amide groups | Konrad Bootz | 1995-01-03 |
| 5342927 | Reactive dyestuffs for the dyeing and printing of hydroxyl-or amino-containing materials | Wolfram Reddig | 1994-08-30 |
| 5340928 | Reactive dyestuff containing triazinyl and halopyrimidine moieties | Manfred Hoppe, Thomas Eizenhofer, Wolfgang Harms, Hermann Henk, Klaus Kunde +1 more | 1994-08-23 |
| 5319074 | Bifunctional reactive dyestuffs containing vinylsulphone or alkylsulphone groups and a 2,4 difluoro pyrimidine group | Wolfram Reddig, Ernst Kysela | 1994-06-07 |
| 5278293 | Azo dyestuffs and intermediate products for their preparation | Manfred Hoppe, Hermann Henk, Klaus Kunde, Frank-Michael Stuohr | 1994-01-11 |
| 5278291 | Hydroxyethylthio hydroxyethylamino-phenyl-azo and -azoxy dyestuffs | — | 1994-01-11 |
| 5274083 | Polyfunctional fibre-reactive dyestuffs | Hermann Henk, Frank-Michael Stohr | 1993-12-28 |
| 5270454 | Reactive dyestuffs | Manfred Hoppe, Frank-Michael Stohr, Hermann Henk, Karl H. Schundehutte | 1993-12-14 |
| 5241056 | Reactive monoazo dyestuffs which contain alkylbenzene and chlorofluoro pyrimidine substituents | Manfred Hoppe, Hermann Henk | 1993-08-31 |
| 5239063 | Fibre reactive azo dyestuffs | Manfred Hoppe, Martin Michna, Frank-Michael Stohr | 1993-08-24 |
| 5220057 | Formazan dyestuffs | Thomas Eizenhofer, Hermann Henk, Rolf Brockmann, Frank-Michael Stohr, Karl H. Schundehutte | 1993-06-15 |
| 5212289 | Reactive azo dyestuffs obtained by coupling diazotized acylamino-aminobenzene sulfonic acid compounds with pyridone derivatives | Karl H. Schundehutte, Eva Schundehutte, heir, Horst Jager | 1993-05-18 |
| 5176718 | Reactive dyestuff preparations containing pyridine derivatives | Martin Michna, Manfred Hoppe, Hermann Henk, Frank-Michael Stohr | 1993-01-05 |
| 5166325 | Polyazo reactive dyestuffs containing the 4-Fluoro-5-Chloropyrimidin-6-yl fiber reactive radical and the use thereof to dye or print hydroxyl-or amino-containing material | Hermann Henk, Karl H. Schundehutte, Frank-Michael Stohr | 1992-11-24 |
| 5163971 | Dyestuff mixtures of metal phthalocyanine and pyridone azo reactive dyes | Josef-Walter Stawitz, Frank-Michael Stohr, Manfred Groll, Karl H. Schundehutte | 1992-11-17 |
| 5132410 | Azo reactive dyestuffs containing a fluorotriazinyl group | Manfred Hoppe, Hermann Henk, Frank-Michael Stohr | 1992-07-21 |
| 5126481 | .beta.-phenoxyethylamines and their use for the preparation of dyestuffs | Wolfgang Harms | 1992-06-30 |
| 5107025 | Process for the preparation of [5-amino-2-(2-hydroxyethylamino)phenyl](2-hydroxyethyl) sulphone | — | 1992-04-21 |
| 5097021 | Reactive dyestuffs where the reactive radical carries a cyclic nitrogen heterocycle | Frank-Michael Stohr, Hermann Henk | 1992-03-17 |
| 5095102 | 6-substituted sulphonyl-8-sulpho-2-naphthyl monoazo reactive dyestuffs | Manfred Hoppe, Hermann Henk, Rolf Brockmann, Frank-Michael Stohr | 1992-03-10 |
| 5093484 | Polazo reactive dyestuffs | — | 1992-03-03 |
| 5093481 | Fiber reactive azo dyestuffs | Hermann Henk, Frank-Michael Stohr | 1992-03-03 |
| 5091515 | Process for the preparation of substituted 2,4-diamino-6-fluoro-S-triazines | Hans-Georg Frosch, Hermann Henk, Wolfgang Mullers, Frank-Michael Stohr | 1992-02-25 |
| 5041629 | Beta-phenoxyethylamines and their use for the preparation of dyestuffs | Wolfgang Harms | 1991-08-20 |