Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6171608 | Insecticide formulations | Guido Schmitt, Klaus Walz, Burkhard Mielke, Hermann Neumann | 2001-01-09 |
| 5959001 | Pigment preparations | Klaus Walz, Michael Kressner, Udo Herrmann, Josef Leitermann | 1999-09-28 |
| 5885474 | Use of polyaspartic acid amides as leather auxiliary products | Jurgen Reiners, Manfred Schnee, Torsten Groth, Winfried Joentgen, Harro Traubel +1 more | 1999-03-23 |
| 5618910 | Process for decolorizing N-containing polymers | Torsten Groth, Winfried Joentgen, Lutz Heuer | 1997-04-08 |
| 5468838 | Process for the preparation of polysuccinimide, polyaspartic acid and their salts | Gunther Boehmke | 1995-11-21 |
| 5371180 | Process for the preparation of polysuccinimide and polyaspartic acid | Torsten Groth, Winfried Joentgen, Gunter Boehmke, Hans-Joachim Traenckner | 1994-12-06 |