Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7038065 | Process for catalytically producing organic substances by partial oxidation | Volker Franz | 2006-05-02 |
| 6984289 | Process of generating o-xylene-air mixtures for the production of phthalic anhydride | Thomas Gutermuth, Herbert Feisel, Lutz Urban | 2006-01-10 |
| 6884324 | Column for concentrating phthalic anhydride | Thomas Gutermuth | 2005-04-26 |