Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398091 | Process for the purification of a mixture comprising N-alkyl-hydroxylammonium salts | Jaroslaw Michael MORMUL, Dominic RIEDEL, Joaquim Henrique Teles, Ansgar Gereon Altenhoff, Richard Dehn +1 more | 2025-08-26 |
| 11365283 | Epoxy resin-based fibre matrix compositions containing alkyl-substituted ethylene amines | Matthaeus Kopczynski, Ansgar Gereon Altenhoff, Hannes Ferdinand Zipfel, Christian Eidamshaus, Joerg Pastre | 2022-06-21 |
| 6436174 | Method for removing acid gas components from gases | Christoph Grossmann, Karl-Heinz Hänzel, Norbert Asprion | 2002-08-20 |
| 5574000 | Cyclohexenone oxime ethers, their preparation and their use as herbicides | Juergen Kast, Norbert Meyer, Ulrich Schirmer, Albrecht Harreus, Jochen Wild +2 more | 1996-11-12 |
| 5554582 | Cyclohexenone compounds, their preparation and their use for controlling undesirable plant growth | Michael Keil, Ulrich Schirmer, Juergen Kast, Bruno Wuerzer, Norbert Meyer | 1996-09-10 |
| 5514642 | Cyclohexenone oxime ethers, their preparation and their use | Ulf Misslitz, Norbert Meyer, Juergen Kast, Helmut Walter, Karl-Otto Westphalen +2 more | 1996-05-07 |
| 5411936 | Cyclohexenone oxime ethers, and their use as herbicides | Juergen Kast, Norbert Meyer, Ulrich Schirmer, Albrecht Harreus, Jochen Wild +2 more | 1995-05-02 |
| 5389602 | Herbicidal tetrahydropyran-2,4-diones | Juergen Kast, Norbert Meyer, Bruno Wuerzer, Karl-Otto Westphalen, Wilhelm Rademacher +1 more | 1995-02-14 |
| 5201935 | Cyclohexenone derivatives | Juergen Kasi, Thomas Kuekenhoehner, Norbert Meyer, Karl-Otto Westphalen, Bruno Wuerzer | 1993-04-13 |
| 5154753 | Cyclohexenone derivatives, their preparation and their use as herbicides and plant growth regulators | Norbert Meyer, Johann Jung, Wilhelm Rademacher, Rainer Becker, Dieter Jahn +3 more | 1992-10-13 |
| 5081301 | Hydroxylamine derivatives which are intermediates for making herbicidal compounds | Jochen Wild, Albrecht Harreus, Ulrich Schirmer, Norbert Meyer, Juergen Kast | 1992-01-14 |
| 5074903 | Cyclohexenone derivatives, preparation and use thereof as herbicides | Dieter Jahn, Michael Keil, Ulrich Schirmer, Bruno Wuerzer, Norbert Meyer +2 more | 1991-12-24 |
| 5034047 | Cyclohexenone derivatives and their use as herbicides | Juergen Kast, Thomas Kuekenhoehner, Norbert Meyer, Karl-Otto Westphalen, Bruno Wuerzer | 1991-07-23 |
| 5022914 | Cyclohexenone oxime ethers, their preparation and their use as herbicides | Juergen Kast, Norbert Meyer, Ulrich Schirmer, Albrecht Harreus, Jochen Wild +2 more | 1991-06-11 |
| 5009702 | Cyclohexenone compounds and use as herbicides or as plant growth regulators | Michael Keil, Ulrich Schirmer, Juergen Kast, Bruno Wuerzer, Norbert Meyer +3 more | 1991-04-23 |
| 4994106 | Cyclohexenone compounds, their preparation and their use for controlling undesirable plant growth | Juergen Kast, Michael Keil, Ulrich Schirmer, Norbert Meyer, Karl-Otto Westphalen +1 more | 1991-02-19 |
| 4948415 | Agents for regulating plant growth | Michael Keil, Dieter Jahn, Ulrich Schirmer, Rainer Becker, Johann Jung +1 more | 1990-08-14 |
| 4936906 | Agents for regulating plant growth | Dieter Jahn, Michael Keil, Ulrich Schirmer, Rainer Becker, Johann Jung +1 more | 1990-06-26 |
| 4880456 | Cyclohexenone derivatives, their preparation and their use for controlling undesirable plant growth | Michael Keil, Ulrich Schirmer, Hans Theobald, Rainer Becker, Bruno Wuerzer +1 more | 1989-11-14 |
| 4867784 | Cyclohexenone derivatives, preparation thereof and use thereof as herbicidal and plant growth regulator agents | Michael Keil, Wolfgang Spiegler, Dieter Jahn, Ulrich Schirmer, Bruno Wuerzer +3 more | 1989-09-19 |
| 4842638 | Herbicidal tetrahydro(thio)pyran-2,4-dione derivatives | Juergen Kast, Michael Keil, Ulrich Schirmer, Bruno Wuerzer, Norbert Meyer +2 more | 1989-06-27 |
| 4820331 | Cyclohexenone derivatives useful for regulating plant growth | Michael Keil, Ulrich Schirmer, Juergen Kast, Wilhelm Rademacher, Johann Jung | 1989-04-11 |
| 4812160 | Cyclohexenone derivatives, preparation and use thereof as herbicides | Dieter Jahn, Michael Keil, Ulrich Schirmer, Bruno Wuerzer, Norbert Meyer +2 more | 1989-03-14 |
| 4761486 | Cyclohexenone derivatives, the preparation and use thereof as herbicides and plant growth regulators | Bernd Zeeh, Dieter Jahn, Michael Keil, Bruno Wuerzer, Norbert Meyer +2 more | 1988-08-02 |
| 4744820 | Cyclohexenone derivatives, their manufacture, and their use as agents for regulating plant growth | Michael Keil, Ulrich Schirmer, Wilhelm Rademacher, Johann Jung | 1988-05-17 |