Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5002609 | Iron oxide black pigment granules, processes for their preparation and their use | Jakob Rademachers, Wolfgang Bockelmann | 1991-03-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5002609 | Iron oxide black pigment granules, processes for their preparation and their use | Jakob Rademachers, Wolfgang Bockelmann | 1991-03-26 |