Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5144091 | Preparation of acrolein or methacrolein by actalytic gas-phase oxidation of propene or isobutene | Hans Martan, Ulrike Wegerle, Wilhelm Ruppel, Dieter Becker, Michael Kotter | 1992-09-01 |
| 4867953 | Method for the selective elimination of nitrogen oxides from exhaust gases | Michael Kotter, Friedrich Weyland | 1989-09-19 |
| 4594332 | Preparation of hard, fracture-resistant catalysts from zeolite powder | Wolfgang Hoelderich, Michael Kotter, Ulrich Hammon | 1986-06-10 |