Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985786 | Packed silver-catalyst bed doped with phosphorus | Rainer Diercks, Bernhard Knuth | 1999-11-16 |
| 4584412 | Preparation of formaldehyde | Gunter Lehmann, Norbert Petri, Walter Pitteroff, Gunter Reuss, Hans Schreiber +1 more | 1986-04-22 |