Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4526588 | Process for the production of a coal-water suspension which is suitable for use in coal gasification under elevated pressure | Heinrich Heinen, Bernhard Lieder, Volkmar Schmidt, Wolfgang Kolodzey | 1985-07-02 |
| 4481015 | Coal-water suspensions, a method for their production, and their use | Bernhard Lieder, Heinrich Heinen, Wolfgang Kolodzey | 1984-11-06 |