Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371294 | Process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine | Otto Immel, Hans-Josef Buysch | 1994-12-06 |
| 5344987 | Process for preparing diphenylamines | Otto Immel, Hans-Josef Buysch | 1994-09-06 |
| 5338885 | Process for the preparation of diphenylamines | Otto Immel, Hans-Josef Buysch | 1994-08-16 |
| 5322965 | Process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine using a supported noble metal catalyst | Otto Immel, Helmut Waldmann, Gerd-Michael Petruck | 1994-06-21 |
| 5300706 | Process for the preparation of d,1-menthol | Otto Immel, Hans-Josef Buysch | 1994-04-05 |