Issued Patents 1994
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371294 | Process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine | Hans-Josef Buysch, Gerhard Darsow | 1994-12-06 |
| 5344987 | Process for preparing diphenylamines | Gerhard Darsow, Hans-Josef Buysch | 1994-09-06 |
| 5338861 | Process for the preparation of N-substituted lactams | Artur Botta, Hans-Josef Buysch, Lothar Puppe | 1994-08-16 |
| 5338885 | Process for the preparation of diphenylamines | Gerhard Darsow, Hans-Josef Buysch | 1994-08-16 |
| 5322965 | Process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine using a supported noble metal catalyst | Gerhard Darsow, Helmut Waldmann, Gerd-Michael Petruck | 1994-06-21 |
| 5304525 | Catalyst for the preparation of aniline | Helmut Waldmann, Rudolf Braden, Christian Frohlich, Gerhard Friedhofen, Wilfried Niemeier | 1994-04-19 |
| 5302774 | Process for the production of bisphenols | Klaus Berg, Hans-Josef Buysch, Alfred Eitel, Gerhard Fennhoff, Ralf Pakull +2 more | 1994-04-12 |
| 5300706 | Process for the preparation of d,1-menthol | Gerhard Darsow, Hans-Josef Buysch | 1994-04-05 |