Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6462200 | Diphosphines | Birgit Driessen-Holscher, Joachim Kralik, Inga Ritzkopf, Christian Steffens, Guido Giffels +2 more | 2002-10-08 |
| 6455725 | Substituted cinnamic acids and cinnamic acid esters | Joachim Komoschinski, Guido Steffan, Ernst Kysela | 2002-09-24 |