Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851107 | Process for the hydrogenation of heavy and residual oils | Ludwig Merz, Klaus Niemann, Jose Guitian, Julio Krasuk, Franzo Marruffo | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851107 | Process for the hydrogenation of heavy and residual oils | Ludwig Merz, Klaus Niemann, Jose Guitian, Julio Krasuk, Franzo Marruffo | 1989-07-25 |