Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814511 | Working up cyclohexyl hydroperoxide containing reaction mixtures | Gerald Neubauer, Juergen Hartig, Josef Ritz | 1989-03-21 |
| 4780448 | Preparation of a catalyst containing copper and silica | Franz J. Broecker, Rolf Fischer, Klaus-Dieter Malsch, Wolfgang Reiss, Hans-Martin Weitz | 1988-10-25 |
| 4735741 | Preparation of solutions of molecular oxygen in liquid hydrocarbons | Otto-Alfred Grosskinsky, Guenter Herrmann, Ulrich Loeffler, Dieter Stuetzer | 1988-04-05 |
| 4594462 | Preparation of butane-1,4-diol | Hans-Martin Weitz | 1986-06-10 |
| 4562283 | Continuous separation of maleic anhydride from gaseous reaction mixtures | Hans-Martin Weitz | 1985-12-31 |
| 4504676 | Preparation of diacyloxybutenes | Gerd Kissau, Hans-Martin Weitz, Rolf Fischer | 1985-03-12 |
| 4394290 | Regeneration of supported catalysts containing palladium and/or platinum and tellurium | Hans-Martin Weitz, Rolf Fischer | 1983-07-19 |
| 4361710 | Preparation of butane-1,4-diol | Hans-Martin Weitz, Rolf Platz | 1982-11-30 |
| 4262139 | Preparation of butenediol diacetates and of butanediol | Juergen Hartig, Hans-Martin Weitz | 1981-04-14 |