Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4429172 | Process for the production of modified pitches and low boiling aromatics and olefins and use of said pitches | Robert Zellerhoff, Maximilian Zander | 1984-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4429172 | Process for the production of modified pitches and low boiling aromatics and olefins and use of said pitches | Robert Zellerhoff, Maximilian Zander | 1984-01-31 |