Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5317100 | Process for the preparation of optically active acyloxyazetidinones | Martin Kessler, Rene Lattmann, Gerardo Ramos | 1994-05-31 |
| 5215997 | Synthesis of beta-lactam compounds | Ernst Hungerbuhler | 1993-06-01 |
| 5153315 | Intermediates for .beta.-lactam compounds | Ernst Hungerbuhler | 1992-10-06 |
| 4962196 | (3S, 4R)-3,4-trans-disubstituted azetidin-2-one intermediates | Ernst Hungerbuhler | 1990-10-09 |
| 4619921 | Polyhalogeno-steroids | Georg Anner | 1986-10-28 |
| 4614614 | Process for the manufacture of optically active azetidinones | Ivan Ernest, Wolfgang Frostl | 1986-09-30 |
| 4559332 | 20-Spiroxanes and analogues having an open ring E, processes for their manufacture, and pharmaceutical preparations thereof | Jurgen Grob | 1985-12-17 |
| 4552871 | Steroids of the 20-spiroxane series, processes for the manufacture thereof, pharmaceutical preparations containing such compounds and the use of the latter | Jurgen Grob | 1985-11-12 |
| 4285937 | Novel androstadiene-17-carboxylic acid esters | — | 1981-08-25 |
| 4221786 | Novel halogenopregnadienes and process for the manufacture thereof | — | 1980-09-09 |