Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371180 | Process for the preparation of polysuccinimide and polyaspartic acid | Torsten Groth, Winfried Joentgen, Gunter Boehmke, Gerd Schmitz | 1994-12-06 |
| 5277566 | Extrusion impregnating device | Gunter Augustin, Georg Hinrichsen | 1994-01-11 |