Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784296 | Preparation of terpyridines | Ralph Lunkwitz, Günter Scherr | 2004-08-31 |
| 6700020 | Semi-continuous method for producing 4,4'-dihydroxydiphenyl sulfone | Jurgen Kast | 2004-03-02 |