Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414191 | Method for the continuous production of methoxyamine hydrochloride | Frank Heimann, Werner Peschel, Bernd Bartenbach, Horst Hartmann, Michael Keil | 2002-07-02 |
| 6255489 | Method for producing (hetero)aromatic hydroxylamines | Ralf Klintz, Norbert Gotz, Michael Keil, Manfred Heilig, Horst Wingert +3 more | 2001-07-03 |
| 6162945 | Process for preparing 2-(2-methylphenyl)-3-methoxyacrylic acid methylester | Michael Keil | 2000-12-19 |
| 6133451 | Method for producing 2-(3-pyrazolyl-oxymethylene) nitrobenzenes | Horst Wingert, Norbert Gotz, Michael Keil, Ralf Klintz, Uwe Josef Vogelbacher | 2000-10-17 |
| 6040458 | Method for producing N-substituted 3-hydroxypyrazoles | Uwe Josef Vogelbacher, Michael Keil, Ralf Klintz, Horst Wingert, Hartmann Konig +3 more | 2000-03-21 |
| 5696283 | Preparation of methyl isoproylideneaminooxyacetoxyacetate | Michael Keil | 1997-12-09 |
| 5557013 | Preparation of O-substituted hydroxylammonium salts | Michael Keil, Ulrich Klein, Wolfgang Will | 1996-09-17 |
| 4424364 | Preparation of pyrazoles | Norbert Goetz, Dietrich Mangold | 1984-01-03 |
| 4410733 | Preparation of acetals of malonaldehyde | Dietrich Mangold, Wolf-Karlo Aders | 1983-10-18 |