Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983279 | Process for the hydrogenation of liquid charge materials which contain carbon | Wolfdieter Klein, Claus Strecker, Ulrich Boenisch | 1991-01-08 |
| 4666589 | Method for pretreating feedstocks for coal hydrogenation | Wolf-Dieter Klein, Claus Strecker, Ulrich Bonisch | 1987-05-19 |