Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5990349 | Process for the preparation of D,L-methionine or the salt thereof | Friedhelm Geiger, Baudouin Halsberghe, Hans Joachim Hasselbach, Klaus Hentschel, Klaus Huthmacher +5 more | 1999-11-23 |
| 5770769 | Process for the preparation of D,L-methionine or the salt thereof | Friedhelm Geiger, Baudouin Halsberghe, Hans Joachim Hasselbach, Klaus Hentschel, Klaus Huthmacher +5 more | 1998-06-23 |