Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679761 | Iminodisuccinate-containing polymers | Lutz Heuer, Torsten Groth, Hans-Joachim Traenckner, Nikolaus Muller, Hermann Uhr +8 more | 1997-10-21 |
| 5618910 | Process for decolorizing N-containing polymers | Torsten Groth, Lutz Heuer, Gerd Schmitz | 1997-04-08 |
| 5610255 | Process for preparing polysuccinimide and polyaspartic acid | Torsten Groth, Nikolaus M uller, Ulrich Liesenfelder | 1997-03-11 |
| 5594077 | Process for preparing polymers which contain aspartic acid | Torsten Groth, Paul Wagner, Hans-Joachim Traenckner, Dorde Jovcic | 1997-01-14 |