Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4487971 | Process for the isolation of crystalline 1,3-cylohexanedione | Heinz Litterer | 1984-12-11 |
| 4277606 | 8-Oxo-5,6,7,8-tetrahydro-2-quinolone and process for the preparation thereof | Wilfried Pressler, Werner Muller | 1981-07-07 |
| 4226997 | 8-Chloro-5,6,7,8-tetrahydro-2-quinolone and 8-bromo-5,6,7,8-tetrahydro-2-quinolone, the hydrochloride or hydrobromide thereof and process for their manufacture | Werner Muller, Wilfried Pressler | 1980-10-07 |