Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976845 | Process for increasing meso phase contents in pitch | Rolf Marrett, Armin Eckert, Klaus Altfeld | 1990-12-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976845 | Process for increasing meso phase contents in pitch | Rolf Marrett, Armin Eckert, Klaus Altfeld | 1990-12-11 |