Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5210192 | Process for the preparation of 3,7-dialkylxanthines | Marius Bugglin, Herbert Gropp, Lothar Janitschke, Ulrich Karl | 1993-05-11 |
| 4753913 | Gas-phase alkylation of phenols, and a catalyst for this purpose | Eckhard Roske, Karl Baer | 1988-06-28 |
| 4618725 | Preparation of .alpha.-methyl-substituted ketones | — | 1986-10-21 |