Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4579973 | Process for the manufacture of cyclohexene derivatives | Erich Widmer | 1986-04-01 |
| 4405417 | Process for the manufacture of cyclohexene derivatives | Hansjorg Grass | 1983-09-20 |
| 4323711 | Process for producing cyclohexenes | Teodor Lukac, Erich Widmer | 1982-04-06 |
| 4305876 | Process for the manufacture of tertiary, optically active aliphatic compounds | Richard Barner, Walter Boguth, Hans Leuenberger, Max Schmid | 1981-12-15 |
| 4283559 | Process for the manufacture of cyclohexene derivatives | Emil A. Broger, Yvo Crameri, Hans Leuenberger, Erich Widmer | 1981-08-11 |