Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6624303 | Method for producing N-alkenyl amides | Arnd Bottcher, Thomas Preiss, Rudolf Erich Lorenz | 2003-09-23 |
| 6596862 | Purification of N-vinyl-&egr;-caprolactam | Arnd Bottcher, Rudolf Erich Lorenz, Heike Becker | 2003-07-22 |
| 6583281 | Stabilized N-alkenyllactam | Arnd Bottcher, Rudolf Erich Lorenz, Hansjörg Nickel, Jihong He | 2003-06-24 |
| 6521763 | Method for producing gamma-butyrolactone | Rolf Fischer | 2003-02-18 |