Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5874632 | Method of producing ketoisophorone | Rainer Hahn, Klaus Huthmacher, Frank Hubner, Steffen Krill | 1999-02-23 |
| 5618957 | Method of producing salcomine | Frank Hubner, Klaus Huthmacher, Karlheinz Drauz | 1997-04-08 |