Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649717 | Stabilized composition of O- and N-vinyl compounds and use of ammonium salts as stabilizers | Thomas Preiss, Sabine Weiguny, Jochem Henkelmann | 2003-11-18 |
| 6638619 | Method for producing a granulate from a melt | Melanie Brunner, Bernhard Maltry, Jorg Heilek | 2003-10-28 |
| 6624303 | Method for producing N-alkenyl amides | Arnd Bottcher, Rolf Pinkos, Thomas Preiss | 2003-09-23 |
| 6596862 | Purification of N-vinyl-&egr;-caprolactam | Arnd Bottcher, Rolf Pinkos, Heike Becker | 2003-07-22 |
| 6583281 | Stabilized N-alkenyllactam | Arnd Bottcher, Rolf Pinkos, Hansjörg Nickel, Jihong He | 2003-06-24 |