Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957562 | Chrome oxide green, a process for its preparation and its use | Jakob Rademachers, Dieter Rade, Hans-Ulrich Hofs, Gunther Teichmann | 1990-09-18 |
| 4235862 | Production of low sulphur chromium (III) oxide | Wolfgang Rambold, Heinrich Heine, Bruno Raederscheidt | 1980-11-25 |