Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5990358 | Process for the preparation of formaldehyde | Bernhard Knuth | 1999-11-23 |
| 5985786 | Packed silver-catalyst bed doped with phosphorus | Bernhard Knuth, Albrecht Aicher | 1999-11-16 |
| 5854163 | Process for preparing phosphorus-doped silver catalysts | Gunther Schonaich | 1998-12-29 |
| 5401884 | Preparation of formaldehyde by oxidative dehydrogenation of methanol in the presence of dinitrogen oxide | Manfred Essig, Laszlo Marosi | 1995-03-28 |