Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826671 | Preparation of acicular .alpha.-Fe.sub.2 O.sub.3 | Volker Arndt, Rainer Feser, Werner Steck | 1989-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826671 | Preparation of acicular .alpha.-Fe.sub.2 O.sub.3 | Volker Arndt, Rainer Feser, Werner Steck | 1989-05-02 |