Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5387402 | Contact reactor for a quasi-isothermal catalytic oxidation of SO.sub.2 to SO.sub.3 and method of operating same | Michael Tacke, Peter Ahrens, Heinz Neumann, Egon Winkler, Arend Werner +2 more | 1995-02-07 |
| 5030428 | Process of purifying flue gases | Karl-Heinz Dorr, Heinz Enumann, Jurgen Adlkofer | 1991-07-09 |
| 4910011 | Process of purifying flue gases | Karl-Heinz Dorr, Heinz Neumann, Norbert Olhms | 1990-03-20 |
| 4842835 | Process of purifying flue gases | Karl-Heinz Dorr, Heinz Neumann, Wolfgang Fennemann, Norbert Ohlms | 1989-06-27 |
| 4834954 | Process for cleaning flue gases | Karl-Heinz Dorr, Heinz Neumann, Rudolf Gerken, Gunter Lailach | 1989-05-30 |
| 4368183 | Process of producing concentrated sulfuric acid | Karl-Heinz Dorr, Ulrich Sander, Robert Peichl, Franz Maier | 1983-01-11 |
| 4333917 | Process of producing sulfuric acid | Karl-Heinz Dorr, Helmut Diekmann, Ulrich Sander, Michael Tacke, Waldemar Weber | 1982-06-08 |