Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5037793 | Catalyst for the hydrogenation of unsaturated aliphatic compounds | Herbert Toussaint, Juergen Schossig, Heinz Graefje, Roland Spahl, Matthias Irgang +2 more | 1991-08-06 |
| 5015788 | Process for the hydrogenation of acetylenic alcohols | Herbert Toussaint, Juergen Schossig, Heinz Graefje, Roland Spahl, Matthias Irgang +2 more | 1991-05-14 |
| 4780448 | Preparation of a catalyst containing copper and silica | Franz J. Broecker, Rolf Fischer, Klaus-Dieter Malsch, Rolf Schnabel, Hans-Martin Weitz | 1988-10-25 |
| 4758546 | Preparation of catalysts, and their use in hydrogenation and amination reactions | Karl Baer, Juergen Schossig, Herbert Toussaint | 1988-07-19 |
| 4599466 | Preparation of alkanediols | Herbert Mueller | 1986-07-08 |
| 4482764 | Preparation of diols | Guenter Herrmann, Elmar Frommer, Juergen Paetsch, Siegfried Winderl | 1984-11-13 |
| 4429155 | Preparation of aromatic amines | Norbert Goetz, Peter Jacobs, Leopold Hupfer, Herbert Toussaint | 1984-01-31 |
| 4386208 | Preparation of N-alkylpiperidines and N-alkylpyrrolidines | Walter Rebafka, Juergen Schossig, Dieter Voges | 1983-05-31 |
| 4384147 | Preparation of catalysts and their use for the hydrogenation of acetylene-alcohols | Karl Baer, Wolfgang Schroeder, Dieter Voges | 1983-05-17 |
| 4287099 | Preparation of catalysts for the hydrogenation of acetylene-alcohols | Karl Baer, Wolfgang Schroeder, Dieter Voges | 1981-09-01 |