Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215580 | Process for the production of a fine particle titanium dioxide | Lothar Elfenthal, Franz Rosendahl | 1993-06-01 |
| 4275041 | Process for manufacturing a stable titanyl sulfate solution | Joseph Waldman, Achim Kulling, Joseph A. Rahm | 1981-06-23 |
| 4268422 | Titanium dioxide hydrate of a particular structure and process of manufacture thereof | Heinrich Becker, Franz Rosendahl, Helmut Weber | 1981-05-19 |
| 4207201 | Process for the manufacture of an aqueous iron (III)-chloride-sulfate solution | Achim Hartmann, Achim Kulling, Dieter Schinkitz | 1980-06-10 |