Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6093677 | Catalyst for dehydrogenating 1,4-butanediol to .gamma.-butyrolactone | Frank-Friedrich Pape, Joachim Simon, Andreas Henne, Michael Hesse, Ulrich Kohler +3 more | 2000-07-25 | $14,429,000 |
| 5955620 | Dehydrogenation of 1,4-butanediol to .gamma.-butyrolactone | Frank-Friedrich Pape, Joachim Simon, Andreas Henne, Michael Hesse, Ulrich Kohler +3 more | 1999-09-21 | |
| 4922023 | Preparation of aliphatic N,N-dialkyl-substituted amino alcohols | Roman Fischer, Herbert Mueller | 1990-05-01 |