Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348240 | Process for deactivating soluble metal cations in iron oxide pigments | Siegfried Kersten, Werner Fliege | 1982-09-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348240 | Process for deactivating soluble metal cations in iron oxide pigments | Siegfried Kersten, Werner Fliege | 1982-09-07 |