Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6754979 | Device for drying and thermally treating granulates with an inert gas stream | Alfons Ludwig, Ragnhild Pille | 2004-06-29 |
| 6703475 | Method for the continuous production of copolyamides based on a lactam (I), a diamine (II) and a dicarboxylic acid (III) | Jürgen Deininger, Walter Gotz, Alfons Ludwig | 2004-03-09 |