Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679761 | Iminodisuccinate-containing polymers | Lutz Heuer, Winfried Joentgen, Torsten Groth, Hans-Joachim Traenckner, Nikolaus Muller +8 more | 1997-10-21 |
| 5610255 | Process for preparing polysuccinimide and polyaspartic acid | Torsten Groth, Winfried Joentgen, Nikolaus M uller | 1997-03-11 |