Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5410042 | Process for the cleavage of cephalosporin prodrug esters to 7-amino-3-methoxymethylceph-3-em-4-carboxylic acid | Norbert Krass, Elisabeth Defossa, Gerd Fischer, Uwe Gerlach, Rolf-Ludwig HOERLEIN +4 more | 1995-04-25 |
| 5126445 | Process for the preparation of cefodizime sodium | — | 1992-06-30 |
| 4891420 | Continuous process for the hydrolytic production of polycaprolactam by tempering unextracted granular polymer material with moist inert gas | James R. Ryffel, Hans H. Schuster, Chih-Peng Wen | 1990-01-02 |
| 4424614 | Apparatus for threading up a rapidly travelling thread in a texturizing nozzle | Hans Knopp, Dieter Herion, Gerhard Conzelmann, Guenter Leuchtmann, Peter Gujer +2 more | 1984-01-10 |
| 4356604 | Process for threading up a rapidly travelling thread in a texturizing nozzle | Hans Knopp, Dieter Herion, Gerhard Conzelmann, Guenter Leuchtmann, Peter Gujer +2 more | 1982-11-02 |
| 4280260 | Apparatus for threading up a texturizing nozzle | Hans Knopp, Dieter Herion, Gerhard Conzelmann, Guenter Leuchtmann, Peter Gujer +2 more | 1981-07-28 |