Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334362 | Process for the production of disposable products from metal chlorides in a titanium dioxide chloride process | Hans Thumm | 1994-08-02 |
| 5282977 | Separation of heavy metals from waste water of the titanium dioxide industry | — | 1994-02-01 |