Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5270454 | Reactive dyestuffs | Manfred Hoppe, Karl-Josef Herd, Frank-Michael Stohr, Hermann Henk | 1993-12-14 |
| 5256773 | Copper complexes of 4-fluoro-5-chloropyrimidin-6-yl containing ractive mondazo dyes | Klaus Kunde, Hermann Henk, Frank-Michael Stohr | 1993-10-26 |
| 5220057 | Formazan dyestuffs | Thomas Eizenhofer, Karl-Josef Herd, Hermann Henk, Rolf Brockmann, Frank-Michael Stohr | 1993-06-15 |
| 5212289 | Reactive azo dyestuffs obtained by coupling diazotized acylamino-aminobenzene sulfonic acid compounds with pyridone derivatives | Karl-Josef Herd, Eva Schundehutte, heir, Horst Jager | 1993-05-18 |
| 5194612 | Reactive dyestuffs | Wolfgang Harms, Frank-Michael Stohr | 1993-03-16 |
| 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 | Karl-Josef Herd, Hermann Henk, 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-Josef Herd | 1992-11-17 |
| 5093482 | Reactive dyestuffs | Frank-Michael Stohr | 1992-03-03 |
| 5070193 | Reactive phthalocyanine dyestuffs | Manfred Groll, Josef-Walter Stawitz | 1991-12-03 |
| 5051507 | Process for the preparation of 4,5,6-trichloropyrimidine | Gunther Beck, Kurt Findeisen, Hermann Henk | 1991-09-24 |
| 5051501 | Reactive phthalocyanine dyestuffs containing a fluorochloropyrimidinyl group | Manfred Groll, Josef-Walter Stawitz | 1991-09-24 |
| 4764611 | Process for the selective hydrogenation of chlorine-containing pyrimidines and new pyrimidines | Bernd Baasner, Erich Klauke | 1988-08-16 |
| 4716229 | New pyrimidines and a process for the preparation of pyrimidines | Erich Klauke, Bernd Baasner | 1987-12-29 |
| 4705861 | Aminophenylbenzothiazoles | Hauke Furstenwerth | 1987-11-10 |
| 4695632 | Quaternary reactive compounds | Walter Kalk, Manfred Soll | 1987-09-22 |
| 4659827 | Process for producing 2,4,5,6-tetrachloropyrimidine by way of 5,6-dichloro-2,4-dihydroxypyrimidine which was produced from the corresponding 5,6-dichloro-2,4-di(trihalomethyl)-pyrimidine and a process for producing 2,4-dihydroxypyrimidine derivatives | Karl-Josef Herd | 1987-04-21 |
| 4628082 | Derivatives of azobarbituric acid or salts or complexes thereof | Manfred Lorenz | 1986-12-09 |
| 4622391 | Inclusion compounds, intercalation compounds, and solid solutions of colored organic metal compounds which contains a nickel salt or nickel complex of an azobarbituric acid or its tautomer | Manfred Lorenz | 1986-11-11 |
| 4550207 | Process for the preparation of benzene compounds | Gunter Stephan | 1985-10-29 |
| 4540776 | Reactive fluorotriazinylaminonaphthotriazolyphenylazopyridone or pyrimidone dyestuffs | Hermann Henk, Erich Kramer, Horst Nickel | 1985-09-10 |
| 4497736 | Azo dyestuffs | Winfried Kruckenberg | 1985-02-05 |
| 4460505 | Dyestuffs, processes for their preparation and their use for dyeing materials containing hydroxyl groups or nitrogen | Hermann Henk | 1984-07-17 |
| 4421601 | Water-insoluble azo-purimidine pigments and their use in coloring substrates | Gunter Stephan | 1983-12-20 |
| 4391606 | Azo polyether dyestuffs, formulations of these dyestuffs, their preparation and their use | Winfried Kruckenberg, Volker Hederich | 1983-07-05 |
| 4377390 | Acetoacetic arylide azo dyestuffs for synthetic materials, especially polyester | Henning Reel, Winfried Kruckenberg | 1983-03-22 |