Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5610255 | Process for preparing polysuccinimide and polyaspartic acid | Torsten Groth, Winfried Joentgen, Ulrich Liesenfelder | 1997-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5610255 | Process for preparing polysuccinimide and polyaspartic acid | Torsten Groth, Winfried Joentgen, Ulrich Liesenfelder | 1997-03-11 |